Throat microphone:
Pattern: electret
Directional: n.n
Impedance: 2000 Ohm
Sensitivity: -41 dB V / Pa, 1 kHz
Frequency range: 400 Hz – 4 kHz

Speaker:
Type: dynamic
Impedance: 320 Ω at 1 mW / 1 kHz
Sound pressure level: max. 98 dB
Frequency range: 300 Hz – 8 kHz

Send button (PTT-8):
Housing: impact resistant plastic housing, black, with cloth clip
Life cycle PTT: min. 1.500.000 cycles

Additional data:
Temperature range: -20°C to +70°C
Weight: 160 g