The Handset H-250/U
is a AN/PRC-77(or AN/PRC-25) the Microphone and
Receiver
dym dynamic and a lightweight noise canceling
handset designed to meet USA Military specification
MIL-PRF-49078. It is interchangeable with the
H-189/GR.
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SPECIFICATION
Microphone : 150Ω±30Ω
per MIL-PRF-49078 Normal
Impedance : 150Ω±30Ω Frequency
: 300 ~ 3,500 Hz Sensitivity
: -56dB (1kHz)
Earphone : 1,000Ω±200Ω per MIL-PRF-49078 Normal
Impedance : 1,000Ω±200Ω Frequency
: 300 ~ 3,500 Hz Sensitivity
: 105dB±3 (1kHz)
Switch : Push-To-Talk with make/break sequence
Cable : 12” retractable coiled cord extends to
approximately 6’. Standard
termination is U-229/U.
Material : Polycarbonate
Color : Black
Normal
Impedance : 150Ω±30Ω