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Daily Archives:August 27,2020

How to load DMR contacts database in Retevis RT72

Retevis RT72 support upload 13,0000 DMR contacts. This blog learn how to load 13,0000 DMR database into your RT72  ...

Read more  Retevis RT72,  RT72 database

How to debug the Antenna after installed?

After we complete , it needs to be debugged. The purpose of antenna debugging is to make the antenna system resonate at the transceiver frequency by trimming the length of the antenna element. Match the impedance of the antenna system with the transceiver impedance of the radio. Debugging generally uses standing wave meter, power meter or antenna analyzer.  ...

Read more  Antenna Debug,  Amateur Radio,  Ailunce