Scrambler is a speech encryption function to make communication secret. two radios can’t communicate each other under different scrambler number, or one scrambler set scrambler, another can’t, they also can’t. It has to set same scrambler number on two radios
RT87 is a real IP67 waterproof analog Amateur radio for Hams
RT87 is latest Retevis analog waterproof radio,It’s more smart and more thinner in body,Non standard CTCSS/DCS, scrambler and remote kill added, more suitable for amateurs.