Tag Archives :amateur radio

The dual mode& dual band&dual standby&dual display are often talked by hams, do you know their meaning?  ...

How to change between analog and DMR modes of RT3S in VFO mode  ...

Why set bandwidth for Ailunce HD1？  ...

We not only can set and show CH number and frequency but also name for a channel on Ailunce HD1. but do you know how to set and show CH NAME on Ailunce HD1?  ...

DTMF is the abbreviation of Dual Tone Multi-Frequency, that is, dual-tone multi-frequency. It refers to the sound or tone that the phone makes when pressing a number, where each key has two tones of a specific frequency, which are then transmitted over the voice channel.  ...

The 5-tone of the walkie-talkie is also often referred to as 5-tone signaling.  ...

Recently many hams contact us and want to transmit the 11-meter band on Ailunce HS2. What's the 11-meter band?  ...

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?  ...

If you have Ailunce HD1, do you have the time that must use a Kenwood 2-pin mic, headphones, or other accessaries? If yes, the adapter is your savior.  ...