How to use the RT82 built in GPS to report APRS location
Automatic Packet Reporting System (APRS) is an amateur […]
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How to set up the Retevis RT3S emergency system to know who is in danger?
How to set up the Retevis RT3S emergency system to know
How to set up the Retevis RT3S emergency system to know who is in danger? Read More »
How to manually add a TalkGroup on HD1 without PC
Talk Groups (TG) are a way for hams groups of users to
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Retevis RT80 Single Band UHF DMR Radio is Coming
Retevis RT80 is a new DMR radio in 2018, which has 999
Retevis RT80 Single Band UHF DMR Radio is Coming Read More »
What does BDR,Roger,Tail Eliminate mean in HD1
There have several HD1 features cause confusion. Now he