All of Retevis Kids walkie talkies are license-free Radio, they have the same frequency and CTCSS/DCS with adults walkie talkie.

It means that they can talk with each others. Today we will learn how to set the adults walkie talkie, make sure they can talk with kids walkie talkie.

Now we will use RT54 and RT75 as a sample.

RT54 is a DMR adult radio and RT75 is a children's compass walkie talkie, how to make RT54 communication with RT75 each other?

Firstly, Let us learn how to programme them!

RT75 has 22 channels and 99 groups ctcss/dcs

RT75: https://www.reteviskids.com/RT75-RT675-compass-walkie-talkie

How to programme RT54 DMR radio

RT54: https://www.retevis.com/rt54-dmr-digital-uhf-5w-walkie-talkie

In channel one, programme the same frequency as RT75 channel one

Tx frequency= Rx frequency=462.56250  ctcss/dcs: off

There’s an article for you reference about how to programme RT54 DMR radio:
http://blog.retevis.com/how-to-programme-rt54-dmr-radio/

How to make RT54 talk with RT75 radio?

RT54, turn on this radio and change channel to number one

RT75, click‘menu’key to change channel to number one, then click again ‘menu’ key to turn off ctcss/dcs

When you press PTT on RT54 or RT75, they will talk with each other

You should know how to make RT54 talk with RT75 radio by this article introduction above, if you have any questions, please feel free to contact us by email, info@retevistoys.com