Compact Body (W × H × D; 156.5 × 66.5 × 110.1 mm; 6.2 × 2.6 × 4.3 in) Easy Installation in Limited Space
Powerful Front Mount Speaker Delivers Loud and Clear Audio
Built-in Class D DSC with a CH70 Dedicated Receiver
Intuitive Operation with Icom’s Marine User Interface
Easy-to-Read Full Dot-Matrix Display
HM-237B Detachable Hand Microphone Supplied
IPX7 Submersible Construction (1 m depth of water for 30 minutes)
AquaQuake™ Prevents Audio Degradation from a Water-Logged Speaker
Made in Japan Quality and Reliability
Other Features
- Common NMEA interface for external GPS/NAV connection
- MA-500TR Class B AIS transponder compatible
- Tag scan and favorite channel functions
- Dual/tri-watch function for monitoring CH16 and/or call channel
- Priority scan function
- Display and keypad backlighting
- External speaker connection
- Weather channel with weather alert
| General | ||
| 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 | TX 25W output | 5:00 am |
| (at 13.8 V DC) | 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) | 156.5×66.5×110.1 mm; | |
| (Projections not included) | 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 | |
| Transmitter | ||
| 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 | |
| Receiver | ||
| Sensitivity | Main | –13 dBµ typ. (12 dB SINAD) |
| DSC | –5 dBµ emf typ. (1% BER) | |
| Squelch sensitivity | Less than –10 dBμ | |
| Adjacent channel | Main | More than 68 dB |
| selectivity | 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 | 4.5 W typical | |
| (at 10% distortion with a 4 Ω load) | ||
| Measurements made in accordance with TIA/EIA 603. All stated specifications are subject to change without notice or obligation. | ||
| Applicable IP Rating | ||
| Ingress Protection Standard | ||
| Water | IPX7 (Waterproof protection) | |
ICOM IC-M220 Marine VHF Transceiver comes with the following:
- Transceiver Unit
- HM-237B Hand Microphone
- DC Power Cable
- Mounting Bracket
- Operator Manual
