Radio-Function

How does cross band repeater function works?

cross-band repeater funaction is a common use for amateur operators. ...

What's the Meaning of Tx Mode on RT90 RT82 RT3S Software

RT82 RT3S transmit mode, allow you to press PTT to transmit last received channel or main channel. setting it on the CPS or via radio keypad. ...

What's the Meaning of Public Zone on RT90 RT82 RT3S Software

When we uncheck the Public Zone, You radio will support to set band A/B zone separately. When you check the Public zone, it won't support. ...

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. ...

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. ...

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. ...

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. ...