1. Electret microphone.
2. RJ45 crystal jack.
3. Compliance with IP54 standard.
Applicable radios: TB-800;TM-600;TM-610;TM-800;TR-800
* PTT key: available
* Top key: none
* Interface: RJ45
* Microphone sensitivity: -46±3 dB@1 kHz 3.0 V 2.2 kilohm;0 dB=1 V/Pa
* Color: black* IP rating: IP54* Weight: about 238 g* Dimensions: 94.8 mm x 70.4 mm x 41.7 mm
* Operating temperature: -30℃ to 65℃* Storage temperature：-40℃ to 85℃