The cochlear wireless headset is worn in the ear canal. No earphone can be seen from the outside. The wireless communication host is worn on the chest. The microphone can not be placed near the mouth in the clothes.

BTD-R radios Bluetooth adapter is developed for Roger walkie-talkie wireless adapter, the walkie-talkie after the installation of the Bluetooth adapter through the Roger System Wireless Controller for call control and all-wireless covert communication.

 

Application: all Bluetooth audio devices (bluetooth-enabled mobile phones, radios with a primi Bluetooth adapter)

 

 

 

 

 

 

 

 

 

Meet the criteria：

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Specifications：

Weight：1.3g
Size：5×10×15mm
Transmission Technique：2.4 GHz adaptive frequency hopping, 40 channels

Audio encryption：Advanced Encryption Standard

Maximum range of use: 5 meters
Maximum volume output (3KHz) ：100dB
Audio bandwidth: 100 hz-7200 Hz
Power supply: mercury-free No. 10 Zinc–Air Battery, at full power for gt; 12 hours

Signal-to-noise ratio：55 dB (@ 1 kHz)
Operating temperature：0°C-45°C
Working humidity：95%RH,+63℃ 500 hours

 

Roger Covert Bluetooth wireless communication system-product information