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Why my walkie talkie shows Unprogrammed?

Retevis RT3, RT8, RT82, RT3S, and RT90 are a  series of DMR walkie-talkies. But we may meet the same question after we programed the walkie-talkie and then turn on the radio, radio shows Unprogrammed like below picture. Why?  ...

Read more  Unprogrammed,  Zone list

Small Settings that you may not know about AILUNCE HD1

We know AILUNCE HD1 is an FPP ham radio. It allows you to program the radio without a computer. Expect this, there are lots of little details that make you feel different from other radios.  ...

Read more  HD1

Why and how to switch to talk around mode for Ailunce HD1?

Ailunce HD1 is a ham radio that supports switching between talk-around and repeater mode. Do you know why and how to switch to turn around mode for Ailunce HD1?  ...

Read more  AilunceHD1,  Repeater,  Talk around

Add Amateur Radio to Your Disaster Toolkit

“Add amateur radio to your disaster toolkit” was submitted by the San Juan County Amateur Radio Society.   ...

Read more  Amateur Radio,  Disaster Toolkit

Why can't I reach the repeater? Local DMR Repeater

For DMR repeater, we need to pay attention to frequency, offset, time slot, color code, contact. Some other radios may have to pay attention to work mode, like HD1. today, we will take HD1 as an example.  ...

Read more  reach the rapeater,  HD1

Is it possible to receive other digital modes like P25 on AilunceHD1

The DMR is not compatible with P25 systems. so it is impossible to receive other digital modes like P25 on AilunceHD1.  ...

Read more  P25 system,  DMR system,  P25 vs DMR

Why can't I reach the repeater?Local Analog Repeater

“Why can't I reach the repeater?” This is probably the most common question we hear from new hams. There are so many reasons that can cause your radio can’t reach the repeater, so it is difficult to come up with a quick fix for all situations. In this article, we will show you sever basic reasons caused this issue.  ...

Read more  HD1,  Reach the Repeater