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Daily Archives:May 09,2019

How to import Digital Contacts into RT3S

When we are standing by one a band, and hear a voice. We want to know who is on the other side of the radio. which country, states, citry, or his callsign,name etc. To meet hams need, more and more dmr radio in the market support to save lots of contacts. When there is a call, the radio can show the caller's information. So we can know the caller clearly when we receive the signal.  ...

Read more  RT3S,  Contacts

How to Upgrade Retevis RT3S Firmware

RT3S dual band digital radio uses Digital Mobile Radio (DMR) Tier 2 Standard protocol. It is compatible with the popular MOTO TRBO series Tier I and II using standard encryption, It is also compatible with any existing analog two-way radio operating on the supported UHF and VHF frequencies for easy migration to digital technology.  ...

Read more  RT3S,  Firmware

How to Upgrade Retevis RT90 Firmware

Retevis RT90 is dual band DMR mobile radio. RT90 supports analog and digital mode, It provides dual band, dual standby, dual display, dual time slot, operating on both 400-480MHz UHF frequencies and 136-174MHz VHF at up to 50 watts VHF and 45 watts UHF.  ...

Read more  RT90,  Firmware

How to Upgrade Retevis RT82 Firmware

RT82 has two hardware version: GPS & Non GPS. If you radio is GPS version, you need to upgrade the GPS firmware. Otherwise, after you upgraded your radio will show white screen, snow screen, or other problems. So if you want to upgrade your RT82 firmware, make sure you choose the right firmware version first.  ...

Read more  RT82,  Firmware

How to Upgrade Retevis RT84 Firmware

Retevis RT84 is dual band dmr radio. We constantly update the RT84 firmware to meet the needs of customers. You can download it and install the .exe file on your computer  ...

Read more  RT84,  Firmware