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Roaming is when a radio is set to automatically move between repeaters depending on which has the strongest signal. In the roaming system you have to set the RSSI (Received signal strength indicator) threshold which is minimum signal strength that the radio will consider to be strong enough before it starts searching for a stronger signal. Roaming function is a safety feature on the mobile radio.  It has roaming fucntion on Retevis RT73.   ...

Do you know why does a mobile car radio need to have scan function?  I think the answer is that the scan function can reduces driver distraction.  ...

Hang Up only work on digital mode. it means the radio will transmit as the last receive information within the Hang Up setting time.  ...

Recently many customers have problems of connecting DMR repeater. How to set Ailunce HD1 in software to connect DMR repeater? If you're a newbie, and want to connect to DMR repeater, please try to set your Ailunce HD1 again. the blog provides the detail steps that you can refer to.  ...

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.   ...

The instruction of RT73 firmware upgrade.  ...

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.  ...

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."  ...

how to connect Wifi between MMDVM hotspot and mobile phone.  ...

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.  ...