ICOM VHF MARINE TRANSCEIVER IC-M220

Frequency range

TX

156.025–157.425 MHz

RX

156.050–163.275 MHz

CH70

156.525 MHz

Usable channels

USA, CAN, INT, WX channels

Type of emission

16K0G3E (FM), 16K0G2B (DSC)

Power supply requirement

13.8 V DC nominal
(11.7–15.9 V DC)

Current drain
(at 13.8 V DC)

TX 25W output

5 A

RX AF max.

1.2 A

Operating temperature range

–20°C to +60°C; –4°F to +140°F

Antenna impedance

50 Ω(SO-239)

Dimensions (W×H×D)
(Projections not included)

156.5×66.5×110.1 mm;
6.2×2.6×4.3 inch

Weight (approx.)

700 g; 1.5 lb (with HM-237B)

NMEA formats

Input

RMC, GGA, GNS, GLL, VTG

Output

DSC, DSE, RMC, GSA, GSV

Output power (at 13.8 V DC)

25 W, 1 W

Max. frequency deviation

±5 kHz

Frequency tolerance

±5 ppm

Spurious emissions

Less than –60 dBc

Sensitivity

Main

–13 dBµ typ. (12 dB SINAD)

DSC

–5 dBµ emf typ. (1% BER)

Squelch sensitivity

Less than –10 dBμ

Adjacent channel
selectivity

Main

More than 68 dB

DSC

More than 68 dBμ emf (1% BER)

Intermodulation

Main

More than 63 dB

DSC

More than 55 dBμ emf (1% BER)

Sensitivity

–14 dBμ typ. (at 12 dB SINAD)

Hum and noise

More than 40 dB

Audio output power
(at 10% distortion with a 4 Ω load)

4.5 W typical

Ingress Protection Standard

Water

IPX7 (Waterproof protection)