How to make Retevis two Explosion-proof radios communicate?

There are two two Explosion-proof radios in Retevis system, RT56 and RT56B.
RT56 is a dual band explosion-proof radio, RT56B is an FRS explosion-proof radio.
Some customers have mentioned how to make two Explosion-proof radios communicate?

RT56B is an FRS license-free radio, normally, the fixed frequency can’t be reprogrammed
The best way is that reprogramme RT56 to keep same frequency and CTCSS/DCS as RT56B.

The programming steps as below.

1) Please download and install USB driver and software under the support page for RT56B radio by this link below 
https://www.retevis.com/rt56b-explosion-proof-frs-two-way-radio-us

Please open and check the default frequency of RT56B by software(C9018A is the programming cable)

Explosion-proof radios communicate

2) RT56 has a LED screen with keyboard, you can programme same frequency and CTCSS/DCS as RT56B by keyboard

In the other hand, you can download and install USB driver and software under the support page for RT56 radio by this link below.
https://www.retevis.com/rt56-explosion-proof-dmr-radio-us

Then programme by software to keep same frequency and CTCSS/DCS as RT56B.

For example, programme in channel one (C9018A is the programming cable)

Explosion-proof radios communicate

There is an article for reference how to make RT56 Explosion-proof radio talk with RT47 FRS license-free radio
https://twowayradiocommunity.com/rt56-explosion-proof-radio-talk-with-rt47-frs-license-free-radio/

Actually, it’s the same programming way to make two Explosion-proof radios communicate.
If you have any questions, please feel free to contact us by email, info@retevis.com

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