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When we want to test our radio and can't find someone to help us, we can set the parrot channel to do the Echo test. but sometimes the parrot test has no response, why?  ...

SHTF radio is often thought to be essential to prepare for disaster. but which model of the radio do we select to be the SHTF radio?  ...

NXDN is short for Next Generation Digital Network, and a type of digital technology like DMR.  ...

Ailunce AY04 is the High Gain Yagi 144&430 MHz Directional Antenna, and we can install it easily, but do you know how to tune it?  ...

For hams, QRP refers to transmitting at reduced power. QRP radio means very low-power radio, normally 5W or less power​. QRP Communication is one of the more exciting projects in the activities of amateur radio.  ...

There are two versions of Ailunce HD1, including GPS and no-GPS versions. When do we need to distinguish the GPS or no-GPS version of Ailunce HD1？  ...

Ailunce HD1 is the ham radio and supports 20000 priority contacts enable you to call the people important to you more conveniently. but do you know how to import the priority contacts file?  ...

Retevis RT29 is the long standby, high-power two-way radio for business and outdoor. there are black UHF/VHF/UHF(IP67)/VHF(IP67) versions and orange UHF version to select on Retevis web. so if you need to buy multiple RT29, something you need to pay attention to.  ...

MARS is short for Military Auxiliary Radio System and is a United States Department of Defense-sponsored program. The program is a civilian auxiliary consisting primarily of licensed amateur radio operators who are interested in assisting the military with communications in a region.  ...

Ailunce HD1 is the ham radio and supports sending SMS messages. but recently some customers say it returns the error message "Impossible to Send" when they try to send a message. Do you know what to pay attention to when sending messages with HD1?  ...