c9033a_H777battery

How to Protect Your Walkie Talkie Battery Best

If you want long-term storage your walkie talkie battery, preservation charged more desirable, walkie-talkie lithium battery generally require control more than 40%, conditional stored at 15 degree centigrade or even lower temperatures better, at different temperatures and the saturation level amplitude aging They are also different.keep walkie talkie battery best is very important.   How…

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Usage About The Amateur Radio

Usually,customers buy 2 way radio just use for communication, But for ham, it is totally different.they like to buy Amateur radio. Amateur radio (also called ham radio) describes the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communications.The term “amateur” is used to…

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DMR verus dPMR

DMR versus dPMR Comparison

dPMR and DMR are two new digital technologies for PMR voice/data radios. Both technologies have been standardised by ETSI. The DMR system is a two-slot TDMA system offering a range of features and applications (ETSI Standards TS 102 361 and EN 300 113). dPMR® is a FDMA system offering the lowest cost digital voice solution…

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RETEVIS_RT2-DIGITAL_DPMR

About dPMR

dPMR–a simple and cost effective digital PMR Technology. It was introduced in 2007 and is an ETSI compliant open FDMA digital protocol. The concept was to offer the market a logical migration solution from analogue to digital radio communications designed around the idea of employing proven technology, compatibility with existing analogue equipment, simplicity and low cost.…

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