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 »
How to get original RT3S settings Retevis RT3S is a DMR Dual band Radio , Dual Time Slot, 2000mAh high battery capacity, Long range handheld, GPS or non-GPS can be chosen from. It has always been loved by consumers. Some consumers may have lost the Retevis RT3S default factory settings file due to computer replacement
How to get original RT3S settings Read More »
How to make RT86 communicate with RB689 Recently I received an email from Rita, the content of the email is probably “Is the RB689 compatible with the RT86? Can they used to speak to each other?” The answer is yes. Maybe other customers have this problem too. So do you know how to make them
How to make RT86 communicate with RB689 Read More »
RT97P is Retevis small portable digital repeater which can use with different brand DMR radios. Some customer will meet the RT97P run-time error 380 when first the software on their computer( windows system ). 1, you need check the window system version you use now, and then install the right driver. You can ask us Whatsapp:
How to solve RT97P run-time error 380? Read More »
RA27 how to set up MMSI? Retevis RA27 is a Fixed Mount marine radio, its frequency is VHF band. It has GPS and IPX7 waterproof function. It is a small and compact radio, which will not take up too much space and easy to install. For a newly purchased RA27, to set the MMSI code,
RA27 how to set up MMSI Read More »
RF power amplifier can change the walkie-talkie with low power into a high power transmitter, thus extending the transmitting range. So, the RT91 40W rf power amplifier should be a good choice for you. But can it work on each radio? And what does the performance look like? If you are concerned about the RT91
How does the RT91 rf power amplifier work? Read More »
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 »
Do you have an RT97 repeater? Do you want to have a portable repeater to bring out or fix it on your roof and outside the building? RT97 is a small size and lightweight portable repeater than others. The main specification of the portable RT97 repeater. Power: 10W Frequency band: GMRS, UHF, VHF, customized. Working
How to modify your portable RT97 repeater? Read More »
RB22 has removed the alphabetic keyboard to reduce errors. However, it still retains VFO functionality. Many new users are confused about how to program on their devices. This article will give you some tutorials to help you learn how to do it. For the basic function of the buttons please check the RB22 radio description
How to program the frequency on your RB22 DMR radio Read More »
What do you think is the minimum size and weight of a radio? Do you know how much convenience and surprise 100G communication tool can bring us? The license-free radio RT22P adds a technological feel to the RT22‘s appearance. This is definitely the best way to start 2022. RT22P looks like this: Have you seen
The first super thin license-free radio RT22P will service for you Read More »
