How to upgrade the RT82 firmware

Many hams want to upgrade the RT82 firmware, but sometime they can’t upgrade it successfully, or there will be some problems when they upgrading. Now i will show you how to upgrade the RT82 firmware. 1.Check your radio version. You shold know if your radio has GPS. I think it is very easy. Maybe you…

How to set RT82 emergency alarm?

Retevis RT82 is IP67 professional water-proof, dust-proof, dual band digital radio, popular in many hams and Retevis fans. RT82 has an important function called emergency alarm. When you are using RT82 in a security team, or when you are outdoors for exploring. In case you are in emergency situation, just press the pre-set emergency button,…