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Tonga's volcanic eruption tells us to prepare emergency communication tools in advance, GMRS walkie talkie with NOAA weather forecast function not only allow you to obtain timely and accurate weather information but also allow you to keep in touch with the outside world.  ...

Use GMRS walkie talkie with NOAA function, make you and your families weather-Ready by preparing for the season ahead. The gmrs radio can also keep you in touch when in the hurricane all phone antennas were down.  ...

RT76P GMRS handheld walkie talkie with Battery Eliminator bundles support GMRS handheld radio charge directly from your car, it is very fit for road trip, the GMRS channel let you connect GMRS repeater during your road trip, NOAA function helps you keep knowing the weather alert, the RT76P gmrs radio with Battery Eliminator is the best choice for the road trip.  ...

The loudspeaker two way radio integrates walkie-talkie and loudspeaker functions. It can talk to the walkie-talkie through program. Equipped with a large-function speaker and the sound can cover a larger venue.  ...

Maritime/maritime police emergency communication can achieve the effect of improving the level of automation and informationization of the on-site monitoring images of the Maritime Safety Administration, establishing a set of maritime emergency communication system, and realizing the front-end visual monitoring function and remote video scheduling function.  ...

lightning protection measures is an important device often used in communications to prevent lightning damage. It is used to protect electrical equipment from high transient overvoltage during lightning strikes. In the communication scheme, the role of lightning arresters cannot be ignored.  ...

The Retevis RA89 is the latest analog walkie talkie to be launched, featuring IP68 waterproofing, high power, dual band reception, and other features. The RA89's functional features make it very suitable for any scene in life, whether it is farm, off-road, exploration, camping, or commercial, etc! This article will take everyone to understand the characteristics of RA89.  ...

Radio communication is a communication method that modulates electrical signals such as sound, text, data, and images that need to be transmitted on the radio wave to the other party through space and ground, and uses wireless electromagnetic waves to transmit information in space. "Modulation" and "mediation" are essential steps. This article details the reasons for "modulation" and "mediation" in radio communications and their respective roles.  ...

When we choose a walkie-talkie, the transmission distance is a very critical factor. The transmission distance has a lot to do with the environment, the more obstacles there are, the shorter the transmission distance to the walkie-talkie. Range can be extended by adding repeaters or adding antennas. Or replace high powered radios, mobile radios and high gain antennas. For example, retevis nr30, retevis ra85, retevis rt81, retevis rt9000d, retevis mr300, and retevis ma09.  ...

Long Range GMRS radio solution set for large farm communications, Retevis Long Range GMRS radio solution bundle include Retevis RT97 GMRS repeater use to extend farm GMRS radios talking range, Retevis RB86 GMRS mobile radio for farm combines harvester, Retevis RB17P GMRS walkie talkie for farm members, supply stable, clear, and long range calls for farm harvest.  ...