How to set RT87 scrambler function?

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. Do you know how to set RT87 scrambler function? Let us study it together

What do you need?

1. you need two RT87 radios
2. one programming cable A9137A:
https://www.retevis.com/programming-cable-for-retevis-rt87
3. Download RT87 USB driver and software by this link:
https://www.retevis.com/resources-center
4.Install RT87 USB driver and software to open RT87 software interface

How to set RT87 scrambler function?

The first RT87: we call radio A

TX frequency: 435.23500
TX frequency: 435.23500
DCS/CTCSS: None
Scrambler number:5

The second RT87: we call radio B

TX frequency: 435.23500
TX frequency: 435.23500
DCS/CTCSS: None
Scrambler number:5


After set both radio A and B, write radio to save all settings, then try to make A talk B, you will find they can talk each other. If change scrambler number other, like 3, Radio A will can’t talk with radio B.

In a word, it’s easy to set RT87 scrambler function, you should be know how to set RT87 scrambler function, if you still have doubts, please feel free to contact us by email: vip@retevis.com

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