The Garmin Signal VHF 220 is the mid-range model in the Signal series, sharing the same 3.5" colour touchscreen with edge-to-edge glass, compact form factor and advanced communication features as the VHF 400. The key distinction is the AIS capability: the VHF 220 includes a built-in AIS receiver (receive only), displaying range, course, speed and crossing situation of AIS-equipped vessels on screen but not transmitting your own vessel data to others. All other Signal series features are included: Class D DSC distress calling, integrated GPS, machine-learning noise cancellation, background channel scanning, VHF audio playback for up to 3 minutes, NMEA 2000 and Garmin BlueNet integration, and support for the Garmin Signal RM 100 remote station. 12V and 24V compatible.
Specifications
| Display | 3.5" colour touchscreen, edge-to-edge glass |
|---|---|
| AIS | AIS Receiver only (receive — does not transmit vessel data) |
| DSC | Class D DSC — built-in |
| GPS | Integrated GPS antenna/receiver (no external sensor required) |
| VHF Transmit Power | 25W / 1W selectable |
| Power Input | 12V or 24V DC |
| Dimensions (H × W × D) | 75 × 160 × 104 mm (3.0 × 6.3 × 4.1 in.) |
| Antenna | Single VHF antenna for VHF + DSC + AIS |
| Connectivity | NMEA 2000, Garmin BlueNet™ |
| Remote Station | Compatible with Garmin Signal RM 100 (sold separately) |
| Noise Cancellation | Advanced machine-learning (eliminates wind, wave, engine noise) |
| Background Scanning | Yes — all channels continuously scanned |
| VHF Audio Playback | Yes — replay missed transmissions up to 3 minutes on any channel |
| Waterproofing | IPX7 |
| Key Difference vs VHF 400 | AIS receive-only vs VHF 400's full AIS transponder (transmit + receive) |
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