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The factory default frequency of H777/H-777 RT1 2 way radio
my RT388 kid’s walkie talkie couldn’t turn on
Retevis RT 2 GPS function operate mothod
UHF and VHF Two-way Radios: How to Tell Them Apart and choose?
You just press menu key to find the message ,then,you can edit the text(The text should be 256 words ).
How to set the SCAN function of RT1 radio?
If you plan on using the radio indoors, both indoors and out, or outdoors but around buildings, choose UHF. VHF signals travel farther, absent obstructions, and tend to “hug” the earth better, providing better performance outdoors or in hilly terrain.