The HobbyPCB RS-UV3 radio module is a 144/220/450 MHz FM transceiver board. The RS-UV3 is a low cost transceiver solution for Packet Radio, repeaters, Echolink stations, base station and mobile applications. The RS-UV3 supports multiple interfaces including microphone/speaker, line level audio (soundcard), TTL serial control and Arduino Shield connections. The RS-UV3 has an built-in battery…
The MilliWatter Extreme will let you explore the amazing potential of extreme QRP “QRPp”. The MilliWatter Extreme is an RF-switched transmitter-attenuator that opens up the world below 1 Watt. These low power levels are not available for many transceivers. Few power meters are accurate at these levels either so the MW Extreme opens up a…
The Oak Hills Research OHR 100A single band CW transceiver kit is offered in 80, 40, 30, 20, and 15 Meter versions. Each can be aligned to cover 70-80Khz in a fairly wide band, but here are the defaults for which detailed specification is provided in the manual: 15M 21.000 – 21.070 20M 14.000 –…
AOR announced new QRP 5 Watts TRX-305A HF SDR Transceiver KIT at the Tokyo Ham Radio Fair. This is Full digital RF signal processing kit. Main KIT board Video: Manual PDF File (in Japanese) Price: TBD Link
Photo by M0NKA The original idea was born two years ago when I got really interested in the 70Mhz band and found out that I had to homebrew something as commercial gear at that time was not available. My choice was Softrock Ensemble and OZ2M transverter. The extra part was a bulky and power hungry…