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Category Archives :User Tutorial

Best Handheld Radios for Outdoor Enthusiast

Venturing for miles into the forest without backup is one of the most dangerous activities you can perform. Thankfully, radios can keep you in contact with other hunters, hikers, and outdoorsmen while taking up very little space and weight.  ...

Read more  Best Handheld Radios for Outdoor Enthusiast

Update Nextion Display for Pi-Star MMDVM DMR Hotspot

Few days ago, I received a customer problem, how do I install the Nextion Driver on his Pi-Star MMDVM Hotspot? Today I will share my experience how to update the Nextion Display.  ...

Read more  Nextion Display,  MMDVM Nextion Display

Roaming Function on Retevis RT73

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.   ...

Read more  amateur radio roaming,  RT73 romaing

How to set RT73 scan function

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.  ...

Read more  RT73 scan,  Retevis RT73

How to set Ailunce HD1 in software to connect DMR repeater?

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.  ...

Read more  AilunceHD1,  DMR Repeater,  HamRadio

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