Simrad GS25 GPS Antenna
SKU SIM-000-11043-002
- Mounting
- Flush mount / standard pole mount
- Maximum power consumption
- 2 W
- Typical power consumption
- < 2 W
- NMEA 2000 connectivity
- 1x NMEA 2000 Micro-C port, 2 LEN
- GPS receiver
- 32 channels
- Position accuracy
- 3 m (9.8 ft)
- Update rate
- Up to 10 Hz (1, 5, 10)
- Heading sensor accuracy
- ±3° heading; ±1° roll/pitch at 30°
Stocked items typically ship the next business day from our US warehouse. 30-day returns on unused stocked items. Exclusions apply. Return policy · Shipping policy
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About this product
GS25 GPS antenna with magnetic heading sensor for Simrad navigation networks.
- GPS antenna for accurate position and speed updates
- Magnetic heading for boat direction at any speed
- Flush-mount or standard pole-mount installation
- 0.5 m (20 in) compass-safe distance
- 9 V supply voltage
- Fully waterproof
Manufacturer part number: 000-11043-002.
Verified product information
- Mounting
- Flush mount / standard pole mount
- Maximum power consumption
- 2 W
- Typical power consumption
- < 2 W
- NMEA 2000 connectivity
- 1x NMEA 2000 Micro-C port, 2 LEN
- GPS receiver
- 32 channels
- Position accuracy
- 3 m (9.8 ft)
- Update rate
- Up to 10 Hz (1, 5, 10)
- Heading sensor accuracy
- ±3° heading; ±1° roll/pitch at 30°
Product details
- Weight
- 0.14 kg (0.3 lb)
- Dimensions
- 90 mm diameter x 38 mm height
- Supply Voltage
- 9 V
- Compass Safe Distance
- 0.5 m (20 in)
Shipping & returns
- Stocked items typically ship the next business day from our US warehouse.
- 30-day returns on unused stocked items. Exclusions apply. See policy
- Custom and quoted items are non-returnable once production begins.
Warranty
Backed by the original manufacturer’s warranty plus our workmanship guarantee on assembled harnesses. Contact us with your invoice and we’ll coordinate any covered repair or replacement.
Read the full warranty termsTechnical support
Need help choosing the right part?
Our marine electrical team can review your setup and recommend compatible products. Send a photo, a sketch, or your circuit list and we'll come back with a parts list that fits the boat.
Certifications & training
- ABYC-aware build practices
- OEM-grade marine wire & terminals
Additional capabilities are based on hands-on experience building marine wiring systems rather than third-party certification.
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Why buy from Common Ground Marine
- 20+ years building marine wiring harnesses, panels, and shore-power systems.
- Engineers — not a phone tree — review every custom build before parts are cut.
- OEM-grade components: tinned copper, sealed connectors, marine-rated jackets.