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Why do hams like the DRM

DRM is a digital commercial broadcasting model that provides FM-equivalent sound quality to shortwave broadcasts. ...

How to set the TX Mode of Retevis RT3S

The transmission channel of RT3S can be set to four modes: Last Call CH, Last Call CH + HandCH, Designed CH, and Designed CH + HandCH. ...

How to do when prompt virus arises downloading HD1 software

some customers have feedback that when downloading the firmware of HD1, the pop-up window indicated that there was a virus, but don't worry, the software of Ailunce is 100% safe, and this problem only occurs because of the digital signing issues. We just need to follow the steps below to solve this problem. ...

Why does amateur radio not support CB band

Why does amateur radio not support the CB band? ...

Why do you need a DMR walkie-talkie?

Although analog walkie-talkies have become the norm over the decades, and in some cases, analog technology is indeed a very useful communication technology, DMR radios also offer many advantages over analog walkie-talkies. ...

Why do you choose an analog walkie-talkie

The FCC created the analog Private Mobile Radio (SMR) standard in the late 1970s and allowed two-way communication in certain frequency bands for commercial and commercial systems. Analog two-way radios have been the standard for decades since then, and have ushered in the zenith of their development. So why do people choose analog walkie-talkies? ...