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Something you need to know when programming Retevis RT73

After you download RT73 software, you can find that it is very different with other radio's software. if you are familar with DMR, you will figure out how to program RT73 quickyly. When programming RT73, here are something you need to know.   ...

Read more  retevis RT73,  programming RT73

How to upload 200.000 DMR contacts into Retevis RT73

Retevis RT73 as a dual band mini Mobile Radio supports 200.000 DMR Contacts. Today, let's we learn how to upload 200.000 DMR contacts into RT73.  ...

Read more  RT73 DMR contacts,  upload RT73 DMR contacts

How to program Retevis RT73 Mini Mobile Radio

RT73 as a dual band DMR mobile radio is very popular now. This is a undersized mobile radio than others in the market. It's an entire radio that's the size of a remote head. No need to mount a separate box, just the "head."  ...

Read more  Retevis RT73,  RT73 mobile radio

Retevis RT74 portable single frequency repeater

The RT74 portable single-frequency repeater recently is developed by Retevis is with the latest technology, the most stable components, the most advanced production technology. It is a lightweight, ultra-portable design, minimal installation DMR repeater.  ...

Read more  Retevis,  SFR,  Repeater

First time receive ARISS worldwide SSTV Image with AilunceHD1

we get a very imprssion experience how to receive SSTV image with AilunceHD1.  ...

Read more  SSTV IMAGE,  ARISS SATELITE,  ARISS worldwide SSTV event

Frequency Reverse function on AilunceHD1

Frequency reverse means reverse radio transmit frequency to receive frequency. and at the same time exchange the CTCSS tone.   ...

Read more  radio frequency reverse,,  reverse frequency

What's SDR radio?

In amateur radio world, one of ham's favorite radios is the SDR transceiver. So what's SDR radio? What is the difference between SDR and traditional transceiver ? what are advantages and disadvantage of SDR? Let's study together.  ...

Read more  AmateurRadio,  SDR Tranceiver

Common types of radio emissions

The specification of walkie-talkie is an important reference for us to know whether it meets our needs. For example, the working mode of walkie-talkies is often marked with words such as F3E or F2D. Do you know what it means? Today let's study together.  ...

Read more  Radio emissions,  ITU