SPECIFICATION
Handset H-250(H-250U st.) is a use the KT-PRC77(AN-PRC-77st.) the Microphone and Receiver Change Type.
▶Technical Description
▷ Microphone
- Normal Impedance : 150 Ohm +- 30 (standard temperature)
- Frequency : 300- 3,500 Hz
- Sensitivity : -56 dB (1 KHz)
▷ Earphone
- Normal Impedance : 1,000 Ohm +- 200 (standard temperature)
- Frequency : 500- 3,500 Hz
- Sensitivity : 105 dB +-3 (1 KHz)
▷ Environmental Limitation Equipment Operation
- Elevation : up to 15,000 feet above sea level
- Relative Humidity : up to 97 %
