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Remote Speaker Microphone with LCD Display (for use with HM655 mobile radios only)

Ergonomically designed and IP54 compliant remote speaker microphone with LCD display for radio status monitoring.

Specifications of SM25A1


Dimensions	92.8* 62.5* 32.1mm
Weight	about 160 g
Color	black
PTT Key	available
Emergency Key	available
Microphone Sensitivity	–42±3 dB @ 1 kHz 3.0 V 2.2 K, 0 dB = 1 V/Pa
Speaker Power	2 W (rated); 3 W (max.)
Speaker Impedance	20 Ω±15% @ 1.5 kHz
Speaker Frequency Response	97±3 dB @ 1 kHz 2 W/30 cm
IP Rating	IP54
Operating Temperature	–30℃ to 60℃
Storage Temperature	–40℃ to 85℃