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 <div class="main"><span class="m2posNm">位置：<a href='index.php'>首頁</a> - 技術平台 - FCC KDB 447498 DR04 即將在4/1/2022正式實施</span></div>
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<div class="tt">FCC KDB 447498 DR04 即將在4/1/2022正式實施</div>
<div class="txt2 txtimg"><p>去年5月FCC Workshop 結束後，BTL 立即針對KDB447498 D04 Interim General RF Exposure Guidance v01 中的變更，發佈了消息《<a href="http://www.btl.com.tw/industryshow.php?id=391" target="_blank" title="FCC KDB 447498 DR04 發佈">FCC KDB 447498 DR04 發佈</a>》。而今年，FCC 正式通知，<strong><span style="color: rgb(255, 0, 0);">新版本要求將在4/1/2022 實施執行。</span></strong></p><p>在前述文章中已跟各位看倌簡單做了一個FCC v.s IC的比較，FCC也於3/2 進行了線上訓練，這次我們將針對豁免測試的三個方式，進行介紹。</p><p><br/></p><hr/><p><span style="color: rgb(255, 0, 0);"><strong>選項 A：當輸出功率P &lt; 1mW時</strong></span></p><p><br/></p><p>任何產品、所有頻率和所有距離，都可在此狀況下，豁免 SAR 測試 和 MPE 測試。</p><p>當產品具備同步傳輸時，需要滿足以下條件，才可豁免：</p><p>1. 所有發射源ΣP &lt; 1 mW 或 P&lt; 1 mW</p><p>2. 且天線間隔 &gt; 2 cm</p><p><br/></p><hr/><p><span style="color: rgb(255, 0, 0);"><strong>選項 B：頻率範圍 300 MHz - 6 GHz，5 mm ≤ 距離 ≤ 40 cm</strong></span></p><p><br/></p><p><span style="background-color: rgb(255, 255, 0);">最大時間平均功率或有效輻射功率（ERP），取較大者，≤ Pth（很重要，過去FCC只看直量功率，現在是直量功率跟輻射功率，兩個選大的進行豁免測試判定）；</span></p><p><br/></p><p><strong>完整的Pth 的計算方式如下：</strong></p><p><img src="/upload_files/2022-03/1646969330106796.jpg" title="1646969330106796.jpg" alt="1.jpg"/></p><p><br/></p><p><strong>功率對應如下：</strong></p><table cellspacing="0" cellpadding="0" width="587"><tbody><tr style=";height:20px" class="firstRow"><td width="587" colspan="9" style="border-width: 2px 2px 1px; border-style: solid; border-color: windowtext; border-image: initial; background: rgb(217, 217, 217); padding: 0px 7px;"><p>Distance(mm)</p></td></tr><tr style=";height:21px"><td width="126" rowspan="3" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 3px double black; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>Freq(MHz)</p></td><td width="115" colspan="2" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>5</p></td><td width="115" colspan="2" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>10</p></td><td width="115" colspan="2" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>15</p></td><td width="115" colspan="2" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>20</p></td></tr><tr style=";height:20px"><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td></tr><tr style=";height:21px"><td width="47" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>mW</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>dBm</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>mW</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>dBm</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>mW</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>dBm</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>mW</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 2px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>dBm</p></td></tr><tr style=";height:22px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>300</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>39</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>15.91</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>65</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>18.13</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>88</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>19.44</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>110</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>20.41</p></td></tr><tr style=";height:21px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>450</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>22</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>13.42</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>44</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>16.43</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>67</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>18.26</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>89</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>19.49</p></td></tr><tr style=";height:21px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>835</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>9</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>9.54</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>25</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>13.98</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>44</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>16.43</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>66</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>18.20</p></td></tr><tr style=";height:21px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>1900</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>3</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>4.77</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>12</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>10.79</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>26</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>14.15</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>44</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>16.43</p></td></tr><tr style=";height:21px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>2450</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>3</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>4.77</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>10</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>10.00</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>22</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>13.42</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>38</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>15.80</p></td></tr><tr style=";height:21px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>3600</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>2</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>3.01</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>8</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>9.03</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>18</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>12.55</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>32</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>15.05</p></td></tr><tr style=";height:22px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>5800</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>1</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>0.00</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>6</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>7.78</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>14</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>11.46</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>25</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>13.98</p></td></tr><tr style=";height:21px"><td width="126" rowspan="3" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 3px double black; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>Freq(MHz)</p></td><td width="115" colspan="2" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>25</p></td><td width="115" colspan="2" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>30</p></td><td width="115" colspan="2" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>35</p></td><td width="115" colspan="2" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>40</p></td></tr><tr style=";height:20px"><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>FCC</p></td></tr><tr style=";height:20px"><td width="47" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>mW</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>dBm</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>mW</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>dBm</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>mW</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>dBm</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>mW</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 3px double windowtext; border-right: 2px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>dBm</p></td></tr><tr style=";height:22px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>300</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>129</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>21.11</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>148</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>21.70</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>166</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>22.20</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>184</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>22.65</p></td></tr><tr style=";height:21px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>450</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>112</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>20.49</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>135</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>21.30</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>158</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>21.99</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>180</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>22.55</p></td></tr><tr style=";height:21px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>835</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>90</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>19.54</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>116</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>20.64</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>145</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>21.61</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>175</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>22.43</p></td></tr><tr style=";height:21px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>1900</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>66</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>18.20</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>92</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>19.64</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>122</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>20.86</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>157</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>21.96</p></td></tr><tr style=";height:21px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>2450</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>59</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>17.71</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>83</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>19.19</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>111</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>20.45</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>143</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>21.55</p></td></tr><tr style=";height:21px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>3600</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>49</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>16.90</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>71</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>18.51</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>96</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>19.82</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>125</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 1px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>20.97</p></td></tr><tr style=";height:22px"><td width="126" style="border-top: none; border-left: 2px solid windowtext; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; background: rgb(217, 217, 217); padding: 0px 7px;"><p>5800</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>40</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>16.02</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>58</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>17.63</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>80</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>19.03</p></td><td width="47" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 1px solid windowtext; padding: 0px 7px;"><p>106</p></td><td width="68" style="border-top: none; border-left: none; border-bottom: 2px solid windowtext; border-right: 2px solid windowtext; padding: 0px 7px;"><p>20.25</p></td></tr></tbody></table><p>&nbsp;<strong>如果是穿戴式產品，所對應的功率為Pth x 2.5倍，即為豁免測試的功率值。</strong></p><p>&nbsp;</p><hr/><p><span style="color: rgb(255, 0, 0);"><strong>選項 C：頻率高於 300 kHz的MPE</strong></span></p><p><br/></p><p><img src="/upload_files/2022-03/1646969350119929.jpg" title="1646969350119929.jpg" alt="2.jpg"/></p><p>R &gt; λ/ 2 π，R為天線到人體間的距離，同時考慮SAR跟MPE豁免，R 需要小於20 cm。</p><p><br/></p><p><strong>而波長的計算方式：</strong></p><p>v = fλ：v = 光速 = 3 x 108 m/s；f = 頻率 (Hz)</p><p>對於表中頻率的波長，計算結果如下，可供快速帶入確認。</p><p><img src="/upload_files/2022-03/1646969360139156.jpg" title="1646969360139156.jpg" alt="3.jpg"/></p><p><br/></p><p><strong>當MPE無法豁免時，則需要進行MPE測試或計算，其限制要求如下：</strong></p><p><img src="/upload_files/2022-03/1646969370100694.jpg" title="1646969370100694.jpg" alt="4.jpg"/></p><p><br/></p><p>此次更新的影響將會是BT以及SRD的低功率產品影響較大，如產品在4/1/2022 還會進入的北美海關，建議您提前處理準備，BTL 會協助您進行評估，如對於法規、相關測試或是認證有任何問題，可與我們聯繫，我們專業的團隊將會為您相關的問題進行解答。</p><p><br/></p></div>
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