Retevis RT1 scrambler function

CTCSS VS Scrambler Function Comparison

Scrambler Function is a kind of voice encryption ,different from CTCSS . Specifically refers to a programming voice after launch, only one received the same decryption program in order to obtain voice.To communicate with each other only to open the same scramble between loom, If scrambling different, the machine can receive signals, but can not hear […]

DMR verus dPMR

DMR versus dPMR Comparison

dPMR and DMR are two new digital technologies for PMR voice/data radios. Both technologies have been standardised by ETSI. The DMR system is a two-slot TDMA system offering a range of features and applications (ETSI Standards TS 102 361 and EN 300 113). dPMR® is a FDMA system offering the lowest cost digital voice solution […]