Microphone:
Pattern: electret
Directional: omni-directional
Impedance: 2000 Ω
Sensitivity: -39 dB V / Pa, 1 kHz
Frequency: 300 Hz – 5 kHz

Speaker (Induct RS7):
Operating voltage: 1,4 V
Power input: 1 mA
Operating time: approx. 80 hours
Battery type: A 10
Weight (incl. battery): 1,5 g
Pattern: magnetic
Sound pressure level: max. 120 dB
Frequency range: 300 Hz – 5 kHz

Send button (PTT-1):
Housing: Santoprene rubber, beige
Life cycle PTT: min. 50.000 cycles

Additional data:
Temperature range: -10°C to +40°C
Weight: 72 g (incl. PTT button)