'kv4p HT' is an amateur radio transceiver that can be used in combination with an Android smartphone, and can send and receive voice and text messages. kv4p HT is developed with all open source ...

Software-defined radios are great tools for the amateur radio operator, allowing visualization of large swaths of spectrum and letting hams quickly home in on faint signals with the click of a mouse.

When we first spotted the article about a one-transistor amateur radio transceiver, we were sure it was a misprint. We’ve seen a lot of simple low-power receivers using a single transistor, and a fair ...

Clear timbre, , clear, and true! High quality ABS material, in use. Easy to operate and control. This is a CB radios external speaker TS-750 for your radio. Compact and delicate, easy to carry. Built ...

Mobile phones have made communication easier for everyone especially if your friends and family are living in remote rural areas. But what if you aren't able to reach your family living in these ...