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What is the difference between digital hotspot and MMDVM digital hotspot repeater?   ...

Now no matter analog radio or digital radio dual band radio, they both have dual standby, but dual receive radio is not unusual; But do you know what is the difference between dual standby and dual receive?  ...

Retevis RT73 mobile radio and Retevis RB22 Semi-keyboard UHF DMR Radio are both have the roaming function.  ...

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.   ...

Retevis RA25 is a amateur mobile radio, the frequency range is from 144-146Mhz, and 430-440MHz, and also it can receive the FM radio from 65-108Mhz in 100Khz steps. But there is no menu for FM radio. Do you know how to turn on the FM radio on this mobile radio?  ...