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PTT is the transmission button of the radio. Almost all radios have PTT themselves. However, when surveying desktop microphones recently, many customers still put forward the need for foot switch PTT. Why do we need to foot switch PTT?  ...

When we are doing research on desktop microphones recently, customers have repeatedly suggested adapting to multiple models. But different radio stations have different microphone interfaces. Therefore, based on customer feedback, we have compiled the common interface types that may be used for desktop microphones.  ...

For hams, software and firmware are often used by us. Do you know the difference between them? Why does amateur radio need both software and firmware?  ...

For amateur radio, whether to support firmware upgrades is a very important feature. Firmware refers to a collection of software embedded in the hardware of walkie-talkie, similar to EPROM, EEPROM, or flash memory. So, why does the walkie-talkie need to upgrade its firmware?  ...

When talking about the gain of antennas and power amplifiers, the dB is often mentioned, but do you know what it means and how do we use it?  ...

Mic gain is one of the important settings of amateur radio. It controls the volume of transmission. Do you know how to set the mic gain? the blog will show how to set the right mic gain.  ...

Are you ready to travel with your Ailunce HD1? Now you only need to take a video or pictures to show your Ailunce HD1 and post it. You can get a Surprise gift. As long as you actively participate, everyone has a gift！  ...

If the radio supports the rolling code, you just need to make one codeplug to program many radios. the blog will show how to use the Rolling Code of Retevis RT73.  ...

OTAP is short for Over-The-Air Programming. OTAP radio doesn't need to use the programming cable to connect the walkie-talkie with the terminal (computer or mobile phone), and remotely program the walkie-talkie through the network or base station.  ...

The desktop microphone is one of the commonly used devices in the Ham Room. However, there are many desktop microphones on the market, with various functions. The following are some features we sorted out. What features do you need?  ...