Tag Archives :VHF

Marine radio equipment operating in the VHF band is made up of three major parts: The power supply The transceiver The antenna or aerial  ...

Marine radios have transmitters that send out radio waves and receivers that pick up radio waves. The radio waves produced will have a set frequency. Specific groups of frequencies behave differently. For marine radio we group frequencies as: Very high frequency (VHF), Medium frequency (MF), High frequency (HF).  ...

This is an epidemic problem as ninety percent of boaters who call the Coast Guard for emergency help have not both registered and interconnected their VHF radios, meaning that our 21st Century safety network will not work.  ...

With the development of technology, communication has become more and more convenient, but new technology hasn’t replaced the marine radio. If your boat is boat is broken down, sinking, capsized or there is a medical emergency, you will need a radio to call for help. If you are going more than five miles offshore, we highly recommend having either VHF, a 27 MHz, or HF radio. While you are at sea, you must have your radio turned on and tuned to the distress frequency.  ...

The RA26 is Retevis entry-level VHF handheld. It has eight front-panel keys that illuminate when pressed and provide access to all features. The RA26 is internally regulated, meaning there is no charging cradle-you charge it by simply plugging the wall charger directly into the radio. This gives users one less component to worry about as there is no cradle and no exposed, corrosion-prone metal contact points to contend with. A watertight, screw-in cover protects the charging port on the radio.  ...

Marine VHF radios should be intrinsically safe, which means that the wiring of the equipment is designed to withstand high heat, dust, and water. In other words, even if something major goes wrong onboard a ship, the radio should still operate to communicate and alert the appropriate authorities.  ...

Choose the right antenna for your VHF marine radio, if you connect to the wrong antenna, even the best marine radio will not perform to their optimum. A radio needs a well-matched load (antenna) to allow the efficient conversion of electrical energy into radio waves. So we suggest you use a good quality antenna and give some of the cosiderations to you.  ...

Speaking of DSC, arguably the single most distinguishing feature of any handheld VHF (even more so than battery life) is whether or not it includes this feature—a technology that allows the user to send out a digital distress message to the Coast Guard or any other DSC-equipped vessels in the area that clearly indicates your identity, your location and the nature of the emergency.  ...

As a world-renowned supplier of walkie talkies, Retevis provides people with the latest technology and quality services. Its retevis marine, as a professional marine radio supply platform, is committed to providing the latest lifesaving technology to more people at sea at an affordable price. Today announced the availability of the new Retevis Marine Floating Handheld marine VHF radio. In an emergency, you can directly contact the coast guard or other vessels to report your exact location.  ...

Living is easy in the Summertime, and having reliable communication when on the water will help ensure that your days are safe and worry-free. A marine radio is a vital piece of safety equipment for every boat, and you have options when it comes to choosing the best marine radio for your circumstances – and a lot of questions to answer. Do you need a fixed mount radio, or will a handheld model be a better choice? How important is GPS? Are marine radios waterproof?  ...