The GPSMAP1243XSV 12-inch Combo No Transducer bundle is a high-performance chartplotter designed for U.S. and Canada waters, delivering SideVü, ClearVü and traditional CHIRP sonar. Transducer not included.
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Display & Interface: 12.1" x 8.9" unit with a 12.1" diagonal WXGA touchscreen (1280 x 800) for clear visibility in bright sun and wide viewing angles.
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Positioning & GNSS: 10 Hz receiver with GPS, GLONASS and Galileo for precise positioning and smooth speed/course data.
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Sonar & Imaging: Ultra High-Definition SideVü and ClearVü scanning sonar; supports live sonar devices and 1 kW CHIRP traditional sonar for real-time detail.
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Maps & Memory: Preloaded Navionics+ coastal and inland charts for the United States and Canada; accepts two microSD cards; 5,000 waypoints; 50,000 track points; 100 routes; tide tables included.
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Networking & Expansion: NMEA 2000 and NMEA 0183 compatibility; Garmin Marine Network ports (2); Wi‑Fi for ActiveCaptain, OneChart, smart notifications, and software updates; OneHelm compatibility for third‑party devices; ANT compatibility with quatix watches and wind instruments; supports optional Navionics Vision+.
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Power & Durability: Transmit power 1 kW traditional and 1 kW CHIRP; IPX7 water rating; typical draw 1.7 A at 12 V; max draw 2.2 A; 26.5 W max power at 10 Vdc.
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Transducer Compatibility: Designed for use with compatible Garmin transducers or third-party sonar sources as part of a fully integrated marine system; transducer not included.
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System Growth: Built to grow with your marine system—engine connectivity (J1939), expandable sonar, autopilots, radar, cameras and multimedia; designed for seamless integration and retrofit across a wide range of dash configurations.
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Auto Guidance: Auto Guidance+ technology helps with planning and route visualization (for planning purposes only and does not replace safe navigation operations).
This chartplotter delivers a bright, detailed display and precise positioning to enhance day-to-day cruising and fishing. The combination of SideVü, ClearVü and CHIRP sonar helps you distinguish fish from structure with vivid color and real-time detail, while preloaded Navionics+ maps cover major U.S. and Canadian waters. Built-in networking and expansion options let you connect radar, autopilots, cameras, and other marine gear, creating a cohesive helm experience. With Wi‑Fi, ActiveCaptain access, and ongoing software updates, you can plan routes, review charts, and optimize your system as you upgrade your boat—without sacrificing space or performance.
| General |
| PHYSICAL DIMENSIONS |
12.1" x 8.9" x 3.2" (30.8 x 22.8 x 8.2 cm) |
| DISPLAY SIZE |
10.3" x 6.4"; 12.1" diagonal |
| DISPLAY RESOLUTION |
1280 x 800 pixels |
| DISPLAY TYPE |
WXGA display |
| WEIGHT |
6.6 lbs. (3.0 kg) |
| WATER RATING |
IPX7 |
| POLARIZED SUPPORT |
Yes |
| POWER CONSUMPTION |
Max power usage at 10 Vdc: 26.5 W
Typical current draw at 12 Vdc: 1.7 A
Max current draw at 12 Vdc: 2.2 A |
| ANTENNA |
Internal or external over NMEA 2000 |
| MOUNTING OPTIONS |
Bail, flush or flat |
| RECEIVER |
10 Hz high-sensitivity |
| GARMIN MARINE NETWORK™ PORTS |
2 |
| TRANSMIT POWER |
1 kW traditional; 1 kW CHIRP |
| Maps & Memory |
| PRELOADED MAPS |
Garmin Navionics+ coastal and inland water charts for the U.S. and Canada |
| ACCEPTS DATA CARDS |
2 microSD™ cards (back of unit) |
| WAYPOINTS |
5,000 |
| TRACK LOG |
50,000 points; 50 saved tracks |
| ROUTES |
100 |
| Outdoor Recreation |
| TIDE TABLES |
Yes |
| Chartplotter Features |
| GARMIN RADAR COMPATIBLE |
Yes |
| GARMIN SONAR COMPATIBLE |
Yes (built-in) |
| GARMIN SMARTMODE COMPATIBLE (CUSTOMIZABLE MONITOR PRESETS) |
Yes |
| SUPPORTS AIS (TRACKS TARGET SHIPS POSITION) |
Yes |
| SUPPORTS DSC (DISPLAYS POSITION DATA FROM DSC-CAPABLE VHF RADIO) |
Yes |
| SUPPORTS FUSION-LINK™ COMPATIBLE RADIOS |
Yes |
| GSD™ BLACK BOX SONAR SUPPORT |
Yes |
| GCV™ BLACK BOX SONAR SUPPORT |
Yes |
| ACTIVECAPTAIN COMPATIBLE |
Yes |
| GRID™ (GARMIN REMOTE INPUT DEVICE) COMPATIBLE |
Yes |
| WIRELESS REMOTE COMPATIBLE |
Yes |
| SAILING FEATURES |
Yes |
| Sonar Features & Specifications |
| DUAL-FREQUENCY (50/200 KHZ) SONAR CAPABLE |
Yes |
| DUAL-BEAM (77/200 KHZ) SONAR CAPABLE |
Yes |
| FREQUENCIES SUPPORTED |
Traditional: 50/77/83/200 kHz
CHIRP (low, medium, high)
ClearVü (260/455/800 kHz)
(dependent on transducer) |
| CHIRP SONAR TECHNOLOGY |
Yes (Built-in) |
| CLEARVü |
Yes with CHIRP (built-in) |
| SIDEVü |
Yes with CHIRP (built-in) |
| MAXIMUM DEPTH |
5,000 ft at 1kW (depth capacity is dependent on water bottom type and other water conditions) |
| BOTTOM LOCK (SHOWS RETURN FROM THE BOTTOM UP) |
Yes |
| WATER TEMPERATURE LOG AND GRAPH |
Yes |
| SONAR RECORDING |
Yes |
| SONAR HISTORY REWIND |
Yes |
| Connections |
| NMEA 2000® COMPATIBLE |
Yes |
| TRANSDUCER PIN NUMBERS |
12-pin (orange) |
| NMEA 0183 INPUT PORTS |
1 |
| NMEA 0183 OUTPUT PORTS |
1 |
| VIDEO INPUT PORTS |
1 BNC |
| VIDEO OUTPUT PORTS |
1 HDMI |
| WIRELESS CONNECTIVITY |
Yes |
| J1939 COMPATIBLE |
Yes |
