🇺🇸 🇬🇧 DMR or NXDN, which one have the better coverage range ?

Описание: Let's compare the DMR and the NXDN technology ! Which one have the best covered range when power and frequency are equals ? This is the NXDN 4800bps because its very narrow bandwidth (6.25 kHz) is much more immunized against the noise.
Using this technology is preferred when the area to cover is large.
I explain you why 6.25 kHz ultra narrow bandwidth technologies are better than 12.5 kHz bandwidth (like analog or DMR).

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Contenu de cette vidéo :
00:00 Introduction
00:59 Technical characteristics of DMR and NXDN standards
04:04 Différences between TDMA and FDMA
05:51 The bandwidth of NXDN and DMR
07:41 Comparison between 6.25 kHz bandwidth and 12.5 kHz bandwidth
09:05 When should 6.25 kHz be preferred?
10:20 Who offers 6.25 kHz bandwidth? Icom and Kenwood
11:28 Conclusion
12:21 The final word

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Sources :
https://comms.kenwood.com/en/solution...
https://mra-raycom.com/wp-content/upl...
https://blog.taitcommunications.com/2...

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Mots clefs :
PMR, DMR, dPMR, NXDN, ICOM, Motorola, Kenwood, Airbus, TETRAPOL, TETRA, ANTARES, ACROPOL, EADS, 3G, 4G, 5G, LTE, Mission Critical, Talkie-Walkie, PTT, Push To Talk, Radiocommunications, Radio FM, CiBi, CB, Radio AM, ETSI TS 102 361, DMRA, DMR Association