David Bailey

Introduction to Software Defined Radio

making waves on the Eisbach
making waves on the Eisbach

Below is a list of the most popular radio families. You can buy all of these radios online. If you are new, buy a basic RTL-SDR for $20 from somewhere like Amazon. For a complete list of radios, check out the List of Software-Defined Radios on Wikipedia.

Radio Family Cost RX/TX Manufacturer's Link
RTL-SDR $$ RX Multiple manufacturers with slightly differnet features.
HackRF $$$ RX/TX https://greatscottgadgets.com/hackrf/
Universal Software Radio Peripheral (USRP) $$$$ RX/TX https://www.ettus.com

You will also need an antenna which may or may not come included with your radio. You can also build your own antennas. Antennas are optmized for different frequencies.

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