Almost all Retevis radio have their software ( except the children’s and outdoor use radio), so you can program the frequency and basic functions. But some customers can not program successfully, today we share yous some …
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RT21 has four versions: FRS, UHF, FRS Plus battery 3000mah, MURS, so it’s very easy to choose the error version. If you bought RT21 FRS radio before, but the new order you mistake to buy RT21 UHF radio, how to make RT21 UHF work with RT21 FRS radio? Please follow me to reprogramme the RT21 UHF radio
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Retevis RB28 is our newly released free license radio. It has the basic functions like VOX , SCAN, NOAA weather. Which is a good choice for business use and personal use. Some functions can be changed…
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RT21 and H777 are analog radios. To make H777 communicate with RT21 is very easy: Just to set the RX and TX frequencies and the CTSCC/DCS ( same as QT/DQT) the same . Please operate…
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Le talkie-walkie RT21 est un talkie-walkie PMR analogique de notre marque. Il y a la fonction de l’alarme et de VOX. La fonction de l’alarme sont très utiles. la fonction de l’alarme peut vous aider beaucoup…
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Generally, for the walkie-talkie without a display, we will operate according to its voice prompts. However, due to the wide range of sales of walkie-talkies, sometimes their voices are set to multiple languages. For example, Retevis…
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Usually the walkie-talkie can be programmed to change or set its own parameters (such as frequency or CTCSS). And the walkie-talkie without a keyboard needs to be programmed by connecting a computer through a programming cable.…
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The RT21 walkie-talkie has alarm function and VOX function. Alarm function can help you find help when you are in danger. VOX function help you free from your hands and make hands-free calls. RT21 how to…
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If you have a RT21,while other radios are different types from yours , what should you do?Do not worry,that is easy to communicate with them, please read the method below,let us take RT6 as an example.…
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Many customers have the problem about how to make my new radio can talk with the old? Today we will use the RT21 As model, to study how to compilation with them.
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