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Bluetooth is a wireless technology, In recent years, Bluetooth technology has been used on wireless two way radios. Such as on Ailunce HD1, you can connect a Bluetooth adapter. another example, on Retevis RT78, it can be program on APP via Bluetooth.  ...

radio amateurs are the only ones who can give assistance when communications fail in the face of the devastating power of nature, such as hurricanes or earthquakes.  ...

Share the experience Ailunce HD1 use in firm emergency.  ...

Definition of floating function: After the walkie-talkie falls into the water, the fuselage floats on the surface and does not sink into the water.  ...

ARRL is inviting nominations for awards that recognize educational and technological pursuits in amateur radio. Nominations are also open for the League’s premier award to honor a young licensee.  ...

Squelch function is to automatically lock the low-frequency amplifier of the radio during the standby and the interval between calls, so that noise will not be output from the speaker or headphones.  ...

Digital Mobile Radio (DMR) Market is Expected to Grow at a Significant Rate During the Forecast Period 2019 - 2025.  ...

Nowadays,DMR radios become very popular not only in amateur market but also business market. But There are various terms more specific to DMR that could cause some confusion.  ...

in the radio world, UHF and VHF two options can make all the difference when it comes to choosing the right radio for your specific uses. Here are a few facts about UHF and VHF radios – and how to choose between them.  ...

NFM is a narrowband frequency modulation method, which is suitable for communication signals with a channel bandwidth of 25kHz / 12.5kHz; WFM is a wideband frequency modulation method, which is suitable for receiving broadcast signals with a channel bandwidth of about 180kHz  ...