Frequency range (Unit: MHz) Tx 1.6–27.5000 (ITU marine channels)
Rx 0.5–29.9999 (continuously)
DSC 2.1875, 4.2075, 6.3120,
8.4145, 12.5770, 16.8045
Type of emission Tx/Rx J3E (USB/LSB*), H3E* (AM),
J2B* (AFSK), F1B (FSK), A1A* (CW)* Receive only.
Power supply requirement 24 V DC (21.6–31.2 V) (floating ground)
Dimensions (projection not included; W×H×D) Main unit 367 × 95 × 260 mm
Controller 274 × 114 × 86 mm
Weight (approximately) Main unit 8.6 kg
Controller 760 g
RF output power 150W PEP into 50 Ω (at radio terminal)
125W (4.0–27.5 MHz) (at tuner-output)
85W (1.6–3.999 MHz) (at tuner-output)
Current drain Transmit
(Max. power)
Less than 20 A
(at 1.1 kHz and 1.7 kHz two tones)
(Max. audio)
Less than 3.0 A
Sensitivity J3E, A1A
(20 dB SINAD)
30 dBμV emf (0.5–1.599 MHz)
16 dBμV emf (1.6–3.999 MHz)
11 dBμV emf (4.0–29.999 MHz)
J2B, F1B
(1% error rate)
3 dBμV emf (1.6–2.099 MHz)
0 dBμV emf (2.1–27.500 MHz)
(20 dB SINAD)
44 dBμV emf (0.5–1.599 MHz)
30 dBμV emf (1.6–3.999 MHz)
(1% error rate)
0 dBμV emf
Audio output power External SP 4 W with 4 Ω load
Internal SP 2 W with 8 Ω load
IEC 61162-1
in/out format
Output FSI, DSC, DSE



Reliable Performance for MF/HF Long Distance Communication

Satisfies SOLAS Carriage Requirements

The GM800 meets the GMDSS (Global Maritime Distress and Safety System) VHF and MF/HF radio requirements as required for SOLAS regulated commercial vessels engaging in international voyage. The radio meets the MED, “wheel mark” requirements for European merchant ships.

Meets Strict Environmental Requirements

The GM800 meets the Marine Equipment Directive on European marine equipment requirements and have passed rigorous environmental testing and quality assurance processes. These radios are designed to provide reliable operation and long-lasting durability under harsh maritime environments. In fact, the controller has IPX7 protection (1 m depth of water for 30 minutes).

Meets ITU-R M.493-13 DSC

4.3 inch Wide Viewing Angle Colour Display

The 4.3 inch colour TFT LCD provides almost 180 degree wide viewing angle and displays high resolution characters and function icons. Even when the radio is installed to the instrument panel, the operator can clearly recognize the display information from various viewing angles. The night mode display ensures good readability in low light conditions.

Provides Loud, Clear Audio

By adopting a new waterproof paper speaker cone, the speaker provides superior sound quality and a flat frequency response with a wide frequency range.

Unified Design User Interface

Other Features

  • Remote Distress alarm
  • Printer connector (Centronics IEEE1284)
  • IEC 61162-1 interface for GNSS receiver
  • Output power: 150 W* PEP into 50 Ω(at radio terminal, GM800)
  • Built-in 24 V DC-DC converter

* 125 W (4.0–27.5 MHz) (at tuner-output), 85 W (1.6–3.999 MHz) (at tuner-output)

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