Standard Horizon
Explorer GPS/NMEA 2000 Fixed Mount VHF
Best all-in-one marine radio for sailors prioritizing safety and navigation awareness.
The Standard Horizon GX2400 is a robust fixed-mount VHF marine radio designed for enhanced navigation and communication. It features an integrated 66-channel GPS receiver and an AIS receiver, displaying crucial vessel information on its front panel for improved situational awareness and direct DSC calls. This radio boasts a powerful 30-watt PA/Loudhailer with fog signals and listen-back capabilities, alongside an internal 32-code voice scrambler for secure communications. It offers NMEA2000 and NMEA0183 compatibility and supports optional wireless second station control via the RAM4X.
$93.99
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Owner Satisfaction
4.7
/ 5
Category Rank
2
/ 178
#2 in Marine Radios
Price vs Category Average
-81%
Below average
Who it's for
- Safety-conscious boaters needing reliable emergency distress signaling
- Tech-savvy captains integrating modern marine electronics networks
- Offshore sailors operating in demanding, high-noise conditions
Who should skip it
- Budget-focused mariners seeking basic communication tools
- DIY installers avoiding complex antenna mounting and wiring
- Small-boat owners requiring portable, flexible radio options
Performance breakdown
Navigation Integration
Integrated GPS and AIS data provide a complete situational awareness package.
Communication Versatility
Dual NMEA connectivity ensures seamless data sharing across your marine network.
Safety Reliability
Class D DSC and dedicated CH70 receiver prioritize critical distress signaling.
Audio Power
The 30-watt loudhailer delivers robust projection for clear deck-side communication.
System Expandability
Wireless RAM4X support offers flexible control options for larger vessel layouts.
Signal Security
Internal voice scrambling adds a layer of privacy for sensitive transmissions.
Key Specs
NMEA2000 and NMEA0183 Compatible
Integrated 66 channel GPS receiver
Integrated 32 Code Voice Scrambler
Commercial grade receiver (Spurious & Image rejection better than 80dB)
30 Watt PA/Loud Hailer
Meets ITU-R M.493-15 Class D (Digital Selective Calling)
Separate Receiver for CH70 (Receiving DSC Calls)
AIS/AIS SART target display
MMSI, Call Sign, Ship Name, BRG, DST, SOG and COG
Features
- Integrated AIS receiver with target display
- Wireless RAM4X second station capability
- Built-in 66-channel GPS receiver
- 30 Watt PA/Loudhailer with fog signals
- Internal 32-code voice scrambler
- NMEA2000 and NMEA0183 connectivity
- DSC functionality for distress calls
- NOAA Weather Alerts
What customers say
Boaters overwhelmingly praise the Standard Horizon Explorer for its exceptional integration and reliability. The built-in 66-channel GPS receiver significantly simplifies setup, making it ideal for smaller boats or as a dependable backup. Users highly value the NMEA 2000 connectivity, which ensures seamless data sharing across modern marine electronics for streamlined operation and redundancy. Reviewers consistently note the radio's robust build quality and excellent clarity in all conditions. While the advanced menus require a brief learning period, the overall consensus is that this VHF offers superior performance and features, especially the dual GPS and network integration, providing outstanding value for its price point.
Know before you buy
No, it features a built-in 66-channel GPS receiver, so you do not need to purchase or install an external antenna for basic GPS functionality.
Yes, the GX2400 supports the optional RAM4X wireless remote microphone, which allows you to operate the radio and access its features from a second station.
The integrated AIS receiver displays critical data from nearby vessels—such as their name, call sign, speed, and course—directly on the radio's screen, helping you maintain better situational awareness.
Yes, the unit is fully compatible with NMEA 2000 networks, allowing for seamless data integration with your other onboard marine electronics.
The internal voice scrambler provides a layer of privacy for your communications, ensuring that your conversations remain secure and cannot be easily monitored by others on the same channel.
Yes, the 30-watt PA/Loudhailer comes with pre-programmed fog signals and a listen-back function, which allows you to hear audio from the deck through the radio's speaker.
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