Many customers have the need to extend the communication distance of walkie-talkies. At this time, repeaters are needed. Our most popular product is the RT97 repeater,it is divided into GMRS version and customized frequency version which need to customize the repeater frequency. The RT97 repeater can be used not only on farms, but also in […]
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Frequency scanning makes it easier for the prepper to contact others in an emergency. Get help in the shortest possible time. What is frequency scan? In frequency scanning mode, Two-way Radio will move from the start frequency to the stop frequency at the specified scanning rate, testing whether there is a signal at each frequency
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Retevis RA89 walkie talkie is a ham radio with a default frequency range limited to the ham band. However, what if you want to expand its capabilities to cover the full frequency range of VHF 136-174 MHz and UHF 400-480 MHz? The answer is here. Extending Frequency Range for the USA Version 1. Turn off your
How to extend the default frequency range of RA89 into full band? Read More »
The factory default frequency of RETEVIS’s license-free walkie-talkie for you. The FRS is authorized 22 channels in the 462 MHz and 467 MHz range, all of which are shared with General Mobile Radio Service (GMRS) which requires an individual license for use. RT22 The Retevis RT22 handheld two way radio. It’s perfect for outdoor leisure,
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Retevis RT95 is a dual band mobile car radio , it cover VHF:144-148MHz UHF: 430~440MHz,but some customer want to have full band? Here is the steps how to change switch between full frequency and amateur frequency on dual band mobile car radio RT95: 1）Turn off the device, Press P4+FUNC+POWER ON KEY (at the same time
How to spread frequency on dual band mobile car radio RT95? Read More »
Retevis RB689 is our new bluetooth high power radios. Its factory set frequency is UHF(450-470MHz), now we will teach you how to expand the frequency for RB689. Some customers want to order RB689 to talk with other raidos at FRS or PMR frequency, here is the way to expand the frequency to 400-470mhz. First you
How to expand the frequency for bluetooth radio RB689? Read More »
How to get the default frequency of Retevis walkie talkie? Not a few customer has the requirement to programme other walkie talkies to talk with Retevis walkie talkie. Or they make the default settings into a mess, and they need reset to the default settings in order to make normal communication. Do you know how
How to get the default frequency of Retevis walkie talkie? Read More »
Retevis RT85 is an analog radio which comes with emergency alarm function. And it is dual-band, dual display and dual standby, the frequency range is VHF 136-174Mhz / UHF 400-470Mhz. For the first time use full dot matrix screen, the power frequency, channel and status indicators can be seen clearly. Full keyboard operation, you can
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Your cell phones and two-way radios all work in the electromagnetic wave, but the frequency range is different to stay in the rules of communication. UHF and VHF frequency bands are a part of a two-way radio communication range. So, how to know how to choose and applicate the UHF and VHF radios? And what’s
The differences between UHF and VHF, and what is the VHF frequency range? Read More »
