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How to set up Retevis RT40’s one-touch call and SMS function

How to set up Retevis RT40‘s one-touch call and SMS function RT40 is Retevis First License-Free PMR446 DMR Radio. The digital radio usually has a lot of features, we will talk about how to set up Retevis RT40’s one-touch call and SMS function in this blog. 1. Install the driver and programming software The programming

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Retevis’ first digital license-free walkie-talkie – RT40

Retevis’ first digital license-free walkie-talkie – RT40 Retevis RT40 is retevis’ first DMR license-free radio, 0.5W universal license-free in Europe, the sound quality of the digital radio is bigger and clearer; 2000mAh battery, long battery life. It is used for hotels, security, outlets, etc. Are you interested in learning more about it? 1/Features 1.License-free radio,

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