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A clarification letter was issued by TEC India on October 30, 2023, aim at clarifying description of Bluetooth. The letter mentioned that Bluetooth technology which is sometimes also referred to as Bluetooth Classic or Bluetooth Traditional. Since in the ERs and Annexure to ER uploaded on MTCTE portal, Bluetooth has not been mentioned in BLE interface. It is clarified as below table. Therefore, if the product uses Classic Bluetooth/Traditional Bluetooth and BLE, both need to be tested and comply with the requirements.
| Interface / Parameter / Annexure Name | Existing | May be read as |
| Interface Name | BLE for IOT | BLE / Bluetooth for IOT |
| Bluetooth Low Energy | Bluetooth Low Energy / Bluetooth | |
| Parameter in Bluetooth Low Energy Interface | Spurious Emission for BLE Interface (Standard name – Annex G3) | Spurious Emission for BLE / Bluetooth Interface (Standard name – Annex G4) |
| Annex G4 Name in Annexures to ER document | Bluetooth Low Energy (BLE) / ZigBee / 6LowPAN working frequency band 2.400 to 2.4835 GHz | Bluetooth Low Energy (BLE) / Bluetooth / ZigBee / 6LowPAN working frequency band 2.400 to 2.4835 GHz |
| Bluetooth refers to Bluetooth Classic or Bluetooth Traditional. | ||
Therefore, if the product uses technology classic Bluetooth/Traditional Bluetooth and BLE, both need to be tested to comply with the requirements.
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