RTDF function means receive and transmit on two differnt frequency. Very few amateur radio have this function, Today let us learn how does the RTDF function works on Retevis RT95.  ...

When use on ham radio, for example, sometimes we know the repeater frequency, but dont know what is the CTCSS/DCS. At this time, it is very helpful if your radio has the CTCSS/DCS scan function.  ...

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Retevis RB85 is the noise reduction commercial walkie-talkie launched by Retevis in 2021, but after the product was launched, many hams had a very heated discussion below the related Youtube video, because they believed that noise reduction is also very important for HAM.  ...

Ailunce HD1 is a dual-band and dual standby DMR amateur radio developed by Ailunce. Since its release, many versions of firmware and software have been upgraded according to customer needs.  ...

Like many amateur mobile radios, Retevis RT3S can also set the power on/off password and read/write frequency password, but what if you forget it?  ...

Is your repeater easily charged? Common repeater charger ways are including two categories, one is the DC charger and the other is the AC charger. Some people prefer DC power, others prefer AC power supply, which is determined by personal practical needs. What are the advantages and disadvantages of DC and AC charger?  ...

RT95 uses a TFT screen. TFT is more complex than LCD in terms of technology, and of course the quality will be better.  ...

The Retevis RT95 mobile radio itself is small and compact with a very easy to read screen. and it is very straight forward to use. Being Chirp Compatible is a huge Plus! it has a very fair price.and Signal reports are very good.   ...

As we all known that the amateur radio not only as a hobby attract many hams, but also it is a tool for emergency rescue when there is no phone signals. In the United States, The Amateur Radio Emergency Service® (ARES) consists of licensed amateurs who have voluntarily registered their qualifications and equipment, with their local ARES leadership, for communications duty in the public service when disaster strikes.   ...