How to set up RT9000D factory Default ?

How to set up RT9000D factory Default ? If your radio seems to be malfunctioning, resetting the microprocessor may solve the probkem. When performing the reset, you may lose memory data and stored information. Back up or write down important data before performing the reset. 1.Press and Hold Key for over 2s to enter general setting…

How to programme Retevis RT9000D

How to programme Retevis RT9000D Retevis RT9000D is one of Mobile Car Ham Radio Transceiver, which support VHF and UHF Frequency range, VHF: 66-88/136-174/220-260Mhz and UHF:400-490MHz, Also bigger power at 10-60w. Communicate distance is very longer. Same radio model no. is with same default settings. For Retevis RT9000D, just switch 2 new radios in same channel,…

Working principle of Retevis RT9550 repeater

Working principle of Retevis RT9550 repeater   Retevis RT9550 repeater expand of the radio signal transmission distance by resending or forwarding the radio signal. Retevis RT9550 Repeater main work principle: a high-sensitivity receiver is responsible for receiving signals from different stations at a frequency point, and at the same time, a high-power transmitter is used another frequency…

Retevis Donate model RT35 for Scouting

Now Retevis Donate plan for scouting has been almost one month. A lot of scouting teams have submitted the applications. Here Retevis thanks for their supports. All the applications will be reply in 24hours.   Here I  introduce the model RT35 : the model we donate this time. The Feature: 1,Channel: US (22CH 462mHZ) EU(16CH,PMR446),you…

Short Review of RT90 dual band mobile radio

Finally the announced package arrived. Content: the new RETEVIS Duoband DMR mobile device RT90.  Now everything was unpacked and inInspected. Also a programming cable was included. RT90 Unboxing Finally the announced package arrived. Now everything was unpacked and inInspected. Also a programming cable was included.  The microphone makes a solid impression and has a pretty good workmanship. It should be…