Retevis RT97S

What is “Flat Audio” and difference between “Pre-Emphasis”?

An Explanation of “Flat Audio” By Jeff DePolo  WN3A Flat Audio: When most of us talk about “flat audio”, we’re talking about passing audio through the repeater without any de-emphasis/pre-emphasis stages in line.   Discriminator audio that has already been pre-emphasized in the user’s radio gets passed to an FM (not PM) modulator without any […]

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Emergency Communication System (ECS) Setup For Family Use

Emergency Communication Systems (ECS) are designed for the protection of life by indicating the existence of an emergency situation and communicating information. Learn the two-way emergency communication system setup can help ensure you and your family stay connected in an emergency. Purchase the Two Way Radios Decide the area that you will need to communicate

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