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MRM400 RCA Marine VHF Mobile Radio

Regular price: $240.00 Our price: $168.00 each


Submersible VHF Marine Mounted Radio

The RCA MRM400 Marine Mounted Radio is a commercial grade, 25 Watt VHF marine radio designed with a fully submersible IPX7 body that can be submerged in depth of 1 meter for up to 30min. The unit comes with 3 mounting options – Dash Mount, Flush Mount, or Embedded Mount.


  • Palm Mic
  • Mounting Bracket
  • Power Cable
  • Owner's Manual
  • 3 Year Warranty


Fully Submersible – Fully submersible construction equivalent to IPX7 for 1m depth for up to 30 minutes.

Built-in Class D DSC – The DSC watch function enables you to monitor Ch.70 (DSC channel), even while you are receiving on another channel. DSC functions include distress, individual, group, all ships, urgency, safety, position request/report, polling request, and DSC test calls.

Vibrates to Remove Water from the Speaker – The RCA MRM400 comes standard with a new technology that helps clear water from the speaker. This vibrating function emits a vibrating beep that helps remove water, which can muffle the sound coming from the speaker, from speaker housing.

Small and Light – The MRM400 has a very compact and lightweight design yet delivers a full 25 watts of power.

GPS Receiver Capable – This mounted VHF marine radio comes with a Common NMEA Interface built in, providing the capability to connect an optional GPS receiver using the NMEA 0183 connectivity. The optional GPS receiver will enable your radio to show your current position and time and can be used for DSC calls.

Easy-to-see large LCD – The large, easy-to-see LCD (32 × 26 mm) offers a large and clear 2-digit channel number indication.

Dual / Tri-Watch Function – This allows you to monitor Channel 16 and/or a call channel while you are receiving on another channel.

Volume loud and mute functions – The volume loud/mute functions temporarily change the volume to the maximum/minimum level with two touches of a button. Depending on the background noise level, you can easily change the volume level to capture the received message.

Industry Leading Warranty – Backed by a Three (3) Year Warranty.

Additional Features

  • Weather Channel with Weather Alerts
  • One-Touch Access to Channel 16
  • Channel / Weather Channel Key
  • DSC Key
  • Auto Scan Function


Frequency Bands – TX – 156.025–157.425 MHz / RX – 156.050–163.275 MHz / Channel 70 – 156.525 MHz
Power Output – Programmable 1 to 25 Watts
Channels – INT, USA, CAN, WX Channels
FCC Emissions – 16K0G3E (FM) / 16KOG2B (DSC)
Frequency Stability – +/- 10ppm
Conformance – FCC, IC
Environmental Protection – IPX7 Certified
Power Supply Requirement – 13.8V DC nominal (11.7–15.9V DC)
Current drain (at 13.8V DC) – TX 25W Output – 5.5A / Rx AF Max – 1.5A
Mil Specs – MIL-STD-810 C, 810 D, 810 E, 810 F, 810 G
Operating Temperature – (-)22°F (-30°C) to (+)140°F (60°C)
Dimensions – 7.1” x 3.2” x 4.7” / 180 x 82 x 120mm
Weight – 2.6 lbs