Improve your vessels navigation accuracy with the Simrad GS25 GPS Antenna, a high-performance positioning solution designed for boaters who need fast and reliable location updates. Unlike standard position-only antennas, the GS25 provides integrated magnetic heading information for accurate vessel direction at any speed, making it ideal for navigation displays, radar/chart overlays, and NMEA 2000 networks. Its compact, waterproof design allows for flexible pole or surface mounting on a wide range of vessels. Features:• Provides fast GPS position updates• Integrated magnetic heading• Rapid satellite acquisition• NMEA 2000 compatible• GPS, WAAS, and EGNOS support• Flexible mounting options• Compatible with Simrad NS Series displaysSpecs:• Brand: Simrad• Product: GS25 GPS Antenna• GPS Type: High-speed GPS antenna with integrated magnetic heading• Compatibility: Simrad NS Series multifunction displays and NMEA 2000® networks• Connectivity: NMEA 2000• Mounting Options: Pole mount or surface mount• Waterproof Rating: Fully waterproof marine construction• Applications: Vessel positioning, speed updates, navigation, radar/chart overlay• Note: Not suitable for MARPA or autopilot systems requiring a rate compass such as the RC42What's in the Box?N2KEXT-15RD 15 ft Network Extension CablePole Mount GS25/ZG100/POINT-1N2K-T-RD Network T-Connector Fast GPS updates Marine-ready design Built-in heading | Simrad GPS Antenna GS25