WSPR Receiver 20M KIT RK-20

Advances in communications in recent years have come at a startling pace. In the old days, tocommunicate via radio one needed a good antenna, a selective receiver, and a powerful transmitter.While those items are still useful, today there is one more item required: good software. The “weaksignal propagation reporter” software or WSPR (pronounced “whisper”) is…

KN-Q7A Single Band SSB Transceiver Kit

The KN-Q7A single band SSB transceiver kit was designed specifically for the worldwide market by BA6BF, and kitted by BD6CR/4. As the upgraded version of the popular KN-Q7 (more than 500 kits were sold worldwide), the KN-Q7A has an improved circuit design and component selection, which makes it an ideal candidate for field operation, back…

SDA-15B Premium 15 W FM Transmitter

15W PREMIUM SDA-15B Professional PC Control FM Transmitter cover 3m-15km 1/4 anti-rain antenna power kitset DHL EMS free shipping. SDA-15B is a versatile FM transmitter with a variety of protection features , like high-fidelity sound, excellent harmonic, good clutter suppression. SDA-15B application is flexible, convenient and suitable for a variety of short-range wireless radio. Such…