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Standard Horizon GX-1850 VHF mobile marine radio GPS/NMEA 2000

Standard Horizon
Model: GX1850
Nyíregyháza (HU): 6 pieces in stock
Budapest (HU): 1 pieces in stock
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Product variations:
Owner's manual:
288.87 EUR (242.75 EUR + VAT)


The Standard Horizon GX-1850 marine VHF/FM transceiver is designed to be used in International, USA, Canadian and other Region Marine channels. The Standard Horizon GX-1850 marine series can be operated from 11 to 16 VDC and has a switchable RF output power of 1 watt or 25 watts.

The GX-1850 series is capable of DSC (Digital Selective Calling) ITU-R M.493 Class D operation with a 66-channel internal GPS. Class D operation allows continuous reception of Digital Selective Calling functions on channel 70 even while receiving calls on the voice channels. The Standard Horizon GX-1850 series operates on all currently-allocated marine channels and is switchable for use with International, USA, or Canadian regulations. Emergency channel 16 can be immediately selected from any other channel by pressing the [16/S] key.

Other features of the Standard Horizon GX-1850 series include: NMEA 2000 compatibility and high expandability. It is capable of being connected to the optional wired SSM-70H (RAM4) microphone, which provides full remote control of all VHF and DSC functions. It also includes an intercom feature providing communication between the radio and the RAM4 microphone, scanning functions, priority scanning, dual watch, DSC position polling up to 6 vessels, high and low voltage warning, and repeatability of received GPS location information.

Standard Horizon GX-1850 marine VHF/FM transceiver features:

NMEA2000 Compatible
Easy plug and play connectivity to the NMEA bus. A single plug-in interface allows the radio to instantly receive position data from a compatible GPS, and easily send DSC information (position sharing data, DSC distress information) right to the display of the chartplotter.

Second Station RAM4 compatibility
Now compatible with Standard Horizon's latest second station microphone RAM4, model SSM-70H. All functions on the main radio can now be controlled on the Second Station RAM4, this includes all radio functions, DSC functions, and intercom features between the radio and the Second Station.

E2O Easy to Operate Menu System
Redesigned with the operator in mind, the new Easy to Operate menu system is now more intuitive than ever. Access all the menu functions and settings with just a few simple steps. DSC calling and DSC programming has never been easier.

Ultra Compact Easy Installation
Mounting a VHF radio has never been easier. The Explorer Series VHF's have an ultra thin, compact rear case, only 3.3” in depth or half the depth of comparable VHF radios on the market. The rear case design also gives flexibility when flush mounting the radio in tight areas or bracket mounting the radio by taking up less dash space, and allowing more mounting options.

3-Year Waterproof Warranty
If your Explorer Series radio fails for any reason (including water damage) during normal use for the first 3 years of ownership, STANDARD HORIZON will repair or replace it free, without hassles or charges. If it fails for anytime thereafter in normal use, for as long as the original purchaser owns the radio, STANDARD Horizon's Lifetime Flat Rate and Customer Loyalty Service Programs will cover it.

Standard Horizon GX-1850 marine VHF/FM transceiver functions:

  • Meets ITU-R M.493-13 Class D DSC (Digital Selective Calling)
  • Separate Receiver for CH70 (Receiving DSC Calls)
  • Ultra-slim and compact Rear case design (Depth 3.3", 82mm)
  • NMEA2000 Compatible (GX1850GPS/GX1850)
  • NMEA 0183 Connectivity
  • E2O (Easy to Operate) Icon & Menu System
  • Preset key stores up to 10 favorite channels
  • Second Station Remote Microphone (Optional RAM4 SSM-70H)
  • Intercom Feature between the Radio and an Optional Second Station
  • Programmable Scan, Priority Scan, and Multi Watch
  • Automatic DSC polling of up to 6 ships GPS positions
  • GPS Compass, Waypoint and GPS status pages (when connected to a GPS)
  • Enter, Save, and Navigate to a waypoint using the Compass page (when connected to a GPS)
  • Navigation (LAT/LON, SOG, and COG) information shown on display (when connected to a GPS)
  • GM (Group Monitor) Using DSC Group position Calling
  • MOB (Man over Board) Operation
  • Selectable Night Mode Display
  • Noise canceling microphone with channel change selection, 16/S and H/L keys
  • NOAA Weather channels with weather Alert

Standard Horizon GX-1850E VHF transceiver box contains:

  • Transceiver
  • DC Power Cord
  • Mounting Bracket and Hardware
  • Owner’s Manual
  • DSC Warning Sticker

Blog posts:

IP Protection of Transceivers

All about VHF radios: frequency, range, MMSI code, ATIS code, DSC call, licences

Channels All International, USA and Canadian* *(Depending on the region setting)
Normal Input Voltage 13.8 V DC
Operating Voltage Range 11 V to 16.5 V
Current Drain Standby 0.45 A. Receiver (at Maximum AF Output) 0.8 A, Transmit 5.0 A (Hi), 1.0 A (Lo)
NMEA 2000 Load Equivalency Number LEN=1
DSC Transmitted Call Log 24
DSC Distress Call Log 27
DSC Received Call Log 64
Individual Directory 100
Group Directory 32
Waypoint Directory 250
Route Directory 20
Display Type 66 x 36 mm Full Dot Matrix (222 x 122 pixels)
Dimensions 150 x 85 x 82 mm (W x H x D)
Weight 940 g
Frequency Range 156.025 MHz to 161.600 MHz (INTERNATIONAL)
RF Output Power 25 W (Hi), 1 W (Lo)
Conducted Spurious Emissions Less than −80 dBc (Hi), −66 dBc (Lo)
Audio Response within +1/−3dB of a 6 dB/Octave pre-emphasis characteristic at 300 to 3000 Hz
Audio Distortion Less than 5 %
Modulation 16K0G3E (for Voice), 16K0G2B (for DSC)
Frequency Stability ±0.0003 % (–4 °F to +140 °F [−20 °C to +60 °C])
FM Hum and Noise 50 dB
Freq. Range 156.050 MHz to 163.275 MHz
Sensitivity 20 dB Quieting 0.30 μV, 12 dB SINAD 0.25 μV, Squelch Sensitivity (Threshold) 0.13 μV,
Modulation Acceptance Bandwidth ±7.5 kHz
Selectivity (Typ) Spurious and Image Rejection 75 dB for Voice (75 dB for DSC), Intermodulation and Rejection 75 dB for Voice (70 dB for DSC)
Audio Output 4.5 W (at 4 ohms external speaker output)
Audio Response within +1/–3dB of a 6 dB/Octave de-emphasis characteristic at 300 to 3000 Hz
Frequency Stability ±0.0003 % (–20 °C to +60 °C)
Channel Spacing 25 kHz
DSC Format ITU-R M.493-13 (European version:Meets ITU-R M493-14)
Receiver Channels 66 Channels
Sensitivity Less than –147 dBm
Time to First Fix 1 minute typical (@Cold Start) 5 seconds typical (@ Hot Start)
Geodetic Datum WGS84


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