Blog

When setting the DMR channel, in addition to the color code setting, we also need to set the time slot. We know that the color code is set to reduce co-channel interference, so why set the time slot?  ...

Ailunce HD1 is ham radio and supports Front Panel Programming. if we set the channel in simplex mode, the rx frequency is the same as the rx frequency. but how set the Shift Freq of the channel in repeater mode?  ...

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?  ...

In the radio communications industry, we talk about radios being on a specific cycle. It’s called the 5-5-90% cycle time assumption. This basically means that when you use a radio, 5% of your time is spent transmitting, 5% receiving and 90% on standby.  ...

Two way radio batterys can be divided into lithium battery, nickel chromium battery, nickel hydrogen battery and so on.lithium battery is the most convenient and the best battery in these kinds of walkie-talkie batteries.  ...

Three new TAC talkgroups have been added to the Brandmeister talkgroups list: 901 WorldWide TAC 1 902 WorldWide TAC 2 903 WorldWide TAC 3  ...

On Retevis RA25, if it seems to be malfunctioning because of wrong operation or setup, you can do a factory restore or initialize on the mobile radio directly.    ...

There are different types of display screens used on walkie-talkies, such as the segment code screen that can often be seen on Yaesu, the TFT color display that is currently seen on some two way radios, and the dot matrix screen on the entry-level machine Baofeng UV5R. Below we Just learn about the technology of these screens.  ...

There have two versions of Retevis RA25, GMRS and UV dual band version, as we all known, GMRS is only for US users. Today, let us learn how to program the RA25 UV band mobile radio.   ...