Garmin GPSMAP 743, 943 and 1243 Specifications
General Specifications
| Feature | GPSMAP 743 | GPSMAP 943 | GPSMAP 1243 |
|---|---|---|---|
| Physical Dimensions | 7.6" x 5.5" x 2.9" (19.2 x 14.0 x 7.4 cm) | 9.2" x 6.4" x 3" (23.3 x 16.2 x 7.6 cm) | 12.1" x 8.9" x 3.2" (30.8 x 22.8 x 8.2 cm) |
| Display Size | 6.1" x 3.5"; 7.0" diagonal (15.4 x 9.1 cm; 17.8 cm diagonal) | 7.8" x 4.4"; 9.0" diagonal (19.9 x 11.2 cm; 22.9 cm diagonal) | 10.3" x 6.4"; 12.1" diagonal (26.2 x 16.3 cm; 30.7 cm diagonal) |
| Display Resolution | 1024 x 600 pixels | 1280 x 720 pixels | 1280 x 800 pixels |
| Display Type | WSVGA display | WXGA display | WXGA display |
| Weight | 2.8 lbs (1.3 kg) | 3.6 lbs (1.6 kg) | 6.6 lbs. (3.0 kg) |
| Water Rating | IPX7 | IPX7 | IPX7 |
| Polarized Support | ✔️ | ✔️ | ✔️ |
| Power Consumption | Max power usage at 10 Vdc: 17.6 W Typical current draw at 12 Vdc: 1.1 A Max current draw at 12 Vdc: 1.5 A | Max power usage at 10 Vdc: 22 W Typical current draw at 12 Vdc: 1.3 A Max current draw at 12 Vdc: 1.8 A | 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 | Internal or external over NMEA 2000 | Internal or external over NMEA 2000 |
| Mounting Options | Bail, flush or flat | Bail, flush or flat | Bail or flush |
| Receiver | 10 Hz high-sensitivity | 10 Hz high-sensitivity | 10 Hz high-sensitivity |
| Garmin Marine Network™ Ports | 1 | 1 | 2 |
Maps & Memory
| Feature | GPSMAP 743 | GPSMAP 943 | GPSMAP 1243 |
|---|---|---|---|
| Preloaded Maps | BlueChart g3 (coastal maps of U.S., Canada and Bahamas) and U.S. LakeVü g3 (inland maps) | BlueChart g3 (coastal maps of U.S., Canada and Bahamas) and U.S. LakeVü g3 (inland maps) | BlueChart g3 (coastal maps of U.S., Canada and Bahamas) and U.S. LakeVü g3 (inland maps) |
| Accepts Data Cards | 2 microSD™ cards (back of unit) | 2 microSD™ cards (back of unit) | 2 microSD™ cards (back of unit) |
| Waypoints | 5,000 | 5,000 | 5,000 |
| Track Log | 50,000 points; 50 saved tracks | 50,000 points; 50 saved tracks | 50,000 points; 50 saved tracks |
| Routes | 100 | 100 | 100 |
Outdoor Recreation
| Feature | GPSMAP 743 | GPSMAP 943 | GPSMAP 1243 |
|---|---|---|---|
| Tide Tables | ✔️ | ✔️ | ✔️ |
Chartplotter Features
| Feature | GPSMAP 743 | GPSMAP 943 | GPSMAP 1243 |
|---|---|---|---|
| Garmin Radar Compatible | Yes (with external black box, sold separately) | Yes (with external black box, sold separately) | Yes (with external black box, sold separately) |
| Garmin Sonar Compatible | Yes (with external black box, sold separately) | Yes (with external black box, sold separately) | Yes (with external black box, sold separately) |
| Garmin SmartMode Compatible (Customizable Monitor Presets) | ✔️ | ✔️ | ✔️ |
| Supports AIS (Tracks Target Ships Position) | ✔️ | ✔️ | ✔️ |
| Supports DSC (Displays Position Data from DSC-Capable VHF Radio) | ✔️ | ✔️ | ✔️ |
| Supports Fusion-Link™ Compatible Radios | ✔️ | ✔️ | ✔️ |
| GSD™ Black Box Sonar Support | ✔️ | ✔️ | ✔️ |
| GCV™ Black Box Sonar Support | ✔️ | ✔️ | ✔️ |
| ActiveCaptain Compatible | ✔️ | ✔️ | ✔️ |
| GRID™ (Garmin Remote Input Device) Compatible | ✔️ | ✔️ | ✔️ |
| Wireless Remote Compatible | ✔️ | ✔️ | ✔️ |
| Sailing Features | ✔️ | ✔️ | ✔️ |
Sonar Features & Specifications
| Feature | GPSMAP 743 | GPSMAP 943 | GPSMAP 1243 |
|---|---|---|---|
| Dual-Frequency (50/200 kHz) Sonar Capable | ❌ | ❌ | Yes (with external black box, sold separately) |
| Dual-Beam (77/200 kHz) Sonar Capable | ❌ | ❌ | Yes (with external black box, sold separately) |
| CHIRP Sonar Technology | Yes (with external black box, sold separately) | Yes (with external black box, sold separately) | Yes (with external black box, sold separately) |
| ClearVü | Yes (with external black box, sold separately) | Yes (with external black box, sold separately) | Yes (with external black box, sold separately) |
| SideVü | Yes (with external black box, sold separately) | Yes (with external black box, sold separately) | Yes (with external black box, sold separately) |
Connections
| Feature | GPSMAP 743 | GPSMAP 943 | GPSMAP 1243 |
|---|---|---|---|
| NMEA 2000® Compatible | ✔️ | ✔️ | ✔️ |
| NMEA 0183 Input Ports | 1 (Differential) | 1 (Differential) | 1 |
| NMEA 0183 Output Ports | 1 (Differential) | 1 (Differential) | 1 |
| Video Input Ports | 1 BNC | 1 BNC | 1 BNC |
| Video Output Ports | ❌ | ❌ | 1 HDMI |
| Wireless Connectivity | ✔️ | ✔️ | ✔️ |
| J1939 Compatible | ❌ | ❌ | ❌ |
| J1939 Connector | ❌ | ❌ | ❌ |
