Both category A and D radios can send and receive digitally encoded distress calls on channel 70, which is reserved exclusively for digital communications. Category A radios, however have two separate receivers, with one constantly tuned to channel 70. Category A radios are therefore more flexible and capable of delivering advanced communication capabilities.With the press of a button, all DSC equipped VHF radios can send a distress call in digital form on channel 70. The call, sent in much less than one second, includes your unique identification number (MMSI) and if the radio is connected to a GPS or Loran C, the precise location of your boat. The distress call will continue to be sent until it is answered by another station. The station hearing the call will likely call your radio on channel 16 or, in the case of the Coast Guard on 22A and begin the process of bringing you the help you need. Having a highly automatic way of making your need for assistance known has obvious advantages.

How do i activate my radio

Go to https://www.boatus.com/MMSI/MMSI/Home and register for an MMSI number. Once the MMSI number has been obtained it must be entered into the radio. Push the "CALL/SET" to enter the DSC menu then look for the MMSI entry option. Follow the prompts.

Is this radio waterproof/water resistant? It doesn't say anything in the product description.

resistant, I have hit it with a hose while cleaning, seems like a good buy. I use it 30 miles off shore salt water.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Cobra MR F45-D Fixed Mount VHF Marine Radio – 25 Watt VHF, Submersible, LCD Display, Noise Cancelling Microphone, NOAA Weather Channels, Signal Strength Meter, Scan Channels, White

Cobra MR F45-D Fixed Mount VHF Marine Radio – 25 Watt VHF, Submersible, LCD Display, Noise Cancelling Microphone, NOAA Weather Channels, Signal Strength Meter, Scan Channels, White

Product ID: 1144005

Details

Brand
COBRA
Color
White
Frequency Range
156-174 MHz
Included Components
Bracket Mount
Item Weight
2.6 Pounds
Number of Channels
40

🌊Submersible waterproof design

📟Illuminated LCD & signal meter

📡25W dual power output

Details

Brand
COBRA
Color
White
Frequency Range
156-174 MHz

Description

🚤 Stay Connected, Stay Safe — Command the Waves with Confidence!

DUAL WATCH SAFETY - Monitor Channel 16 and your chosen channel simultaneously for real-time emergency readiness.
WEATHER READY ALERTS - Stay ahead with 10 NOAA weather channels and instant audible/visual storm warnings.
UNMATCHED RANGE CONTROL - Switch effortlessly between 1W and 25W for local chats or long-distance calls.
USER FRIENDLY INTERFACE - Large backlit LCD and illuminated keys make navigation simple, even in low light.
CRYSTAL CLEAR COMMUNICATION - Noise-cancelling mic ensures your voice cuts through the waves, not the static.

The Cobra MR F45-D is a robust fixed-mount VHF marine radio delivering 25 watts of dual power output for versatile communication across US, Canadian, and international channels. Its submersible design withstands marine conditions, while the illuminated LCD display and signal strength meter provide clear, easy-to-read information. Equipped with noise-cancelling microphone technology, NOAA weather channels with alerts, and dual watch scanning, it ensures you stay informed and safe on the water. Ideal for professional mariners and boating enthusiasts seeking reliable, high-performance communication gear.

Specifications

ASIN	B004HSND3M
Additional Features	External Speaker Jack, Illuminated Function Keys, LCD Screen, Signal Strength Meter, Submersible
Best Sellers Rank	#63,327 in Electronics ( See Top 100 in Electronics ) #49 in Marine Two-Way Radios
Brand	COBRA
Built-In Media	Bracket Mount Kit, GPS Interface Cable
Color	White
Compatible Devices	VHF-enabled marine devices
Connectivity Protocol	VHF
Customer Reviews	4.6 out of 5 stars 868 Reviews
Frequency Range	156-174 MHz
Global Trade Identification Number	00028377201486
Item Dimensions D x W x H	9.25"D x 12.21"W x 2.95"H
Item Type Name	VHF Marine Fixed Mount Radio
Item Weight	2.6 Pounds
Manufacturer	Cobra Electronics
Mfr Part Number	MR F45-D
Model Number	MR F45-D
Number of Channels	40
Special Feature	External Speaker Jack, Illuminated Function Keys, LCD Screen, Signal Strength Meter, Submersible
Talking Range Maximum	25 Mile
Tuner Type	VHF
UPC	155577227678 115970807204 001910002801 066510899299 028377201486 999993896779 887216920144 151903157404 053786306736 115970979048 168141275920 100177403656 731215381164 885417299281 168141302374 088020569622 780320067715 163121374860 782386086983 042035834328 731215043642 163120502516 115970770973 053786300543
Warranty Description	3 Year Limited Manufacturer
Water Resistance Level	Water Resistant
Waterproof Rating	IP67

Reviews

G**N

16.07.2025

R**S

2.02.2026

T**B

26.01.2013

R**S

20.08.2025

A**C

18.05.2012

B**Y

30.09.2024

K**S

20.06.2019

A**R

3.06.2025

S**Z

3.04.2017

J**O

11.03.2026

H**Y

29.06.2024

S**A

25.10.2025

P**Z

16.03.2021

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