Software Defined Radio Manufacturers

SDR Manufacturers

David
Reviewed by • Senior RF Engineer & Technical Editor March 2026

Software Defined Radio (SDR) technology has transformed amateur radio, allowing operators to use flexible, computer-controlled transceivers and receivers. These radios process signals digitally, offering advanced features like wideband spectrum displays and adaptable filtering that traditional analog rigs cannot easily match. Many hams appreciate SDR for its versatility, enabling experimentation with various digital modes and easy integration with logging and control software.

This category features manufacturers offering a range of SDR equipment, from compact receivers like the SDRplay RSP series to full-featured HF/50 MHz transceivers such as those from Expert Electronics and FlexRadio Systems. Operators can find ready-to-use SDRs, as well as kits for homebrew projects like the Peaberry SDR or SoftRock-40, catering to different skill levels and budgets. These devices often connect to a PC via USB, using sound card interfaces or direct digital streams for signal processing across various bands.

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