Batteries: 4.8V 1200mAh NiMH
Battery Life: 30 hours typical
DC power supply: 12-30VDC 500mA
DC power supply connector: centre positive

Main MIC circuit: Isolated
Main MIC impedance: electret
Main MIC sensitivity: 5mV
Main MIC frequency response: 150Hz - 5kHz
Main headphone impedance: 8-600 ohms
Main headphone power: 100mW

Aux MIC circuit: non-isolated
Aux MIC impedance: electret
Aux MIC sensitivity: 5mV
Aux frequency response: 150Hz - 5kHz
Aux headphone impedance: 8-600 ohms
Aux headphone power: 100mW
Aux music frequency response: 70Hz - 20kHz

Typical cell phone sensitivity: 200mV
Cell phone frequency response: 70Hz - 20kHz
Typical satellite phone output: 200mV
Satellite phone frequency response: 70Hz - 20kHz
Plug: U174/U, BOSE-Lemo, GA/Civilian- PJ051/68

Temperature Range: 0-55 Celcius
Weight: 360g (13oz)
Dimensions (mm): 140mm long x 65mm wide x 30mm deep
Dimensions (inches): 5.5 x 2.6 x 1.2in

Case: Flame retardant polycarbonate/ABS alloy (Vo rating)
ICS Cable Jacket Material: Matte black polyurethane

EMC: Complies with the relevant provisions of: AS / NZS CISPR 22:2002, FCC 47 Part 15:2002 and VCCI for Class B
Explosive atmosphere: MIL-STD-810, Method 511.4, Procedure I.