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14 Things you need to know about Retevis RT73.  ...

Do you know how to get QSO with amateurs from all over the world use Ailunce HD1?  ...

Ailunce is designing the dual-band DMR mobile radio HM1. H means Hams, M means Mobile, 1 means Generation. HM1 is Hams Mobile Radio Generation. We want to design one Mobile Radio with all the hams.  ...

Instructions how to upgrade RT85 firmware.  ...

Recently we're doing the research of Ailunce FS01 footswitch for PTT, and the words including Mechanical life and Electrical life appear. Do you know what's the difference between Mechanical life and Electrical Life?  ...

Do you know why the time of your Ailunce HD1 won't stop even though you turn off your radio? it's because of the internal battery. In addition to time, do you know what functions the internal battery affects?  ...

Selcall is short for Selective calling. It is a type of squelch protocol used in radio communications systems, in which transmissions include a brief burst of sequential audio tones.  ...

UTM is short for Universal Transverse Mercator Grid System (UTM). that is said the universal transverse Mercator grid coordinate system, which is a flat rectangular coordinate.  ...

We know, if we have two Ailunce HD1, we can kill and wake each other remotely, but how to wake up Ailunce HD1 if it is killed remotely by a stranger?  ...

Do you know why can't your UV dual-band radio HD1 set the RX frequency to 447.1875MHZ?  ...