Black Box VHF Marine Radio – White

  • The GX750W VHF Marine Radio is a compact communication and safety device.
  • Waterproof to IPX7, the GX750W is the ideal communication tool for your boating lifestyle whether you’re sailing inland waters, or heading offshore.
  • The compact, modular design makes installation of the GX750W simple and enables installation in locations where dash space is limited. Simply choose the desired location to mount the ‘black box’ main unit, and run the supplied 500mm inter-connecting lead to the MK013W flush mount microphone socket in a convenient location for use of the full-function LCD Controller microphone. An optional 6m cable (LE107) is also available for even more mounting versatility.
  • Crystal clear audio is delivered via the GX750W’s integrated speaker microphone, which can be further enhanced by the addition of a GME extension speaker.
  • The GX750W’s LCD display features large, easy to read numbers and adjustable brightness and colour options. Designed with ease of use in mind, the screen can be read from virtually any angle, day or night.
  • Dual Watch, Triple Watch and two programmable priority channels provide easy access to regularly used channels. Channel scanning is programmable, making it easy to monitor all important communications. The GX750W comes complete with International, USA and Canadian channel sets making it versatile for use anywhere in the world.

Key Features

  • Compact, Modular Design
  • IPX7 Ingress Protection
  • Waterproof Speaker Microphone
  • 25/1-Watt Switchable Power
  • Dual & Triple Watch with Programmable Priority Channel
  • Two Working Channel Memories
More Information
Brand GME


• Complies with: AS/NZS4415.2.2003
• Frequency Range: 155 – 165MHz
• Channel Spacing: 25kHz
• Modulation: FM
• Supply Voltage: 12-volt nominal, 10.5 – 15.6-volt max.
• Frequency Stability: ±1.5 kHz over environment extremes.
• Scan Speed: 100ms/channel (10 channels/sec).


• Power Output: High: 25watts max, Low: 1watt max.
• Spurious Emissions: < -75dBc
• Frequency Deviation: ± 5 kHz max +20 dB limiting @ 1kHz
• Frequency Response: + 6 dB per octave, 300 Hz – 3 kHz, +1 - 3dB
• Demodulated S/N: > 50 dB weighted.
• Current Consumption: High power: < 4.4 amps, Low power: 1.1A


• IF Frequencies: 1st: 21.4MHz, 2nd: 450kHz
• Sensitivity: -120dBm for 12dB SINAD unweighted.
• Squelch Sensitivity: Adjustable, 10 pre-set levels.
• Spurious Rejection: > 70dB
• Intermodulation Rejection: > 75dB
• Adjacent Channel Rejection: > 74dB
• Blocking Rejection: > 100dB
• RF Bandwidth: < 4MHz
• Switching Bandwidth: > 10MHz
• Frequency Response: -6dB per octave de-emphasis, 300Hz – 3kHz, +1 - 3dB
• Audio Output Power: 3 watts average into external 4 Ohm speaker.
• 2 watts average into internal speaker
• Audio SN: > 50dB weighted
• Conducted Spurious Emission: < -70dBm
• Current Consumption: Muted: < 280mA, Full volume: 470mA


• Dimensions: Main unit, 190(W) x 65(H) x 50(D)mm
• Mounting face, 93(W) x 65(H)mm
• LCD microphone, 150(H) x 71(W) x 47(D)mm
• Weight: Main unit, 545g
• LCD microphone, 240g


• Temperature Range: - 10°C to + 55°C
• Vibration: MIL STD 810E, procedure I3.4.8
• Solar Radiation: Case UV stabilised.
• Water and Dust Resistance: IPX7 excluding external cabling.
• Compass Safe Distance: 300mm
What's in the Box • Black Box VHF Marine Radio (GX750W)
• LCD Controller Microphone (MC750W)
• Microphone Extension Socket (MK013W)
• Microphone Bracket (MB210W)
• Microphone Clip (MB209W)
• 500mm Microphone Extension Cable (LE106)
• 12V DC Power Lead (LE029)
• Mounting Hardware
Warranty 1 Year warranty