1. New design; electret microphone.
2. 10-pin aviation connector.
3. An amplifier circuit can help provide audio with high gain over a wide frequency range.
4. A large sized PTT key and lockable Monitor key make your operation more convenient.
Sensitivity: -32±5dB @ 1KHz（0dB＝1v/Pa）;
Distortion: ＜1％ @ 1KHz;S/N: ≥60dB
Weight: about 164g;
Operating Temperature: -25℃~65℃
for dispatcher in the control center