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Notice on Launching the Commemorative Amateur Radio Communication Activity for the Beijing 2022 Winter Olympics

Approved by Ministry of Industry and Information Technology of the People’s Republic of China, Beijing 2022 Olympic and Paralympic Winter Games special event amateur radio station has started to work until the closure of Paralympic Winter Games. Led by CRAC, the special event station(s) will base on radio control regulation published by Beijing government to work as many amateur radio stations all over the world.  ...

Read more  Amateur Radio Communication Activity,  Beijing 2022 Winter Olympics

The application of DTMF in walkie-talkie

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.  ...

Read more  DTMF,  Amateur Radio

What's 5-tone?

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

Read more  Amateur radio,  5-tone

What's the 11 meter band

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

Read more  Amateur radio,  11 meter band,  CB band

How to change the poweron logo on Retevis RT5R by Chirp

CHIRP is a free, open-source tool for programming your amateur radio. It supports a large number of manufacturers and models, as well as provides a way to interface with multiple data sources and formats. and now there are many Retevis radios support program by Chirp.   ...

Read more  Retevis RT5R,  RT5R ham radio,  Chirp

Which Walkie-Talkie Charging Method Do You Like?

A two-way radio (or walkie-talkie) is now a common part of everyday life, regardless of whether it is used for personal or professional purposes. and now there have many charing method for different walkie talkies.   ...

Read more  walkie talkie charging method,  USB Type-C charge

Why my Retevis RT3S only has few items under radio settings menu?

Gregg emailed us and said that for some reason my RT3S only has "clock" and "voice announcement" under radio settings now after pushing a codeplug. Do you encounter the problem? if yes, let's learn how to solve it.  ...

Read more  Retevis RT3S,  MENU

How to Scan a CTCSS/DCS Tone on Retevis RT5R Ham Radio

CTCSS/DCS scan is a very useful feature for a radio amateur, Retevis RT5R as a ham radio, although there is no CTCSS/DCS menu, but it also can scan the CTCSS/DCS.   ...

Read more  Retevis RT5R,  CTCSS/DCS scanning

Scanning for CTCSS and DCS Tones/Codes on Retevis RT85

As we all known, many analog repeaters have their own frequency and CTCSS Tone, and the frequency maybe always the one many people already remembered, but not the CTCSS/DCS tone. So now, if your radio can scan for a CTCSS/DCS tone, that will be very useful. Today, let us see the CTCSS/DCS scanning on Retevis RT85.   ...

Read more  Retevis RT85 CTCSS/DCS SCANNING