IC M25

Frequency rangeTx156.025–157.425 MHz
Rx156.050–163.275 MHz
Usable channel groupsINT, USA, CAN, WX channels
Type of emission16K0G3E (FM)
Power supply voltage3.7 V DC nominal
Current drainTx2.3 A
Rx (Internal SP/External SP)300 mA/200 mA (Max. audio)
Operating temperature range–20°C to +60°C; –4°F to +140°F
Antenna impedance50 Ω
Dimensions (W×H×D)
(Projections not included)
56.6×134.2×30.5 mm;
2.2×5.3×1.2 in
Weight (approximately)220 g; 7.7 oz
(With FA-SC59V and MB-133)


Output power5 W (approximately)/1 W
Max. frequency deviation±5.0 kHz
Frequency stability±10 ppm
Spurious emissions–68 dBc typical
Adjacent channel power70 dB
Residual modulation40 dB


Sensitivity0.25 μV typical (at 12 dB SINAD)
Squelch sensitivity0.25 μV typical (at threshold)
Adjacent channel selectivity70 dB typical
Spurious response70 dB typical
Intermodulation70 dB typical
Audio output power
(at 10% distortion)
Internal SP550 mW typical (12 Ω load)
External SP300 mW typical (4 Ω load)

Applicable IP Rating

Ingress Protection Standard
WaterIPX7 (Waterproof protection)

Measurements made in accordance with TIA/EIA-603.
All stated specifications are subject to change without notice or obligation.

Supplied Accessories

・    USB charger, BC-217SA*
・    Belt clip, MB-133
・    Antenna, FA-SC59V
・    Hand strap
・    Battery is built-in

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