Start HereBrowseCompareUBDS StandardContribute
// sdr

Software - Defined Radio

Receive, analyze, and transmit RF signals with programmable hardware. From wideband receivers to ham radio transceivers — documented down to the sample rate.

3boards
·
2intermediate
·
1advanced
// featured_boards

Hand-picked for Software

The boards we'd recommend first if someone walked up and said “I want to build a software - defined radioproject.”

Nordic nRF52840-DK
Nordic Semiconductor
Nordic nRF52840-DK
MCU
intermediate
Particle Boron
Particle Industries
Particle Boron
MCU
intermediate
Espressif ESP32-S3-DevKitC-1-N8 (8 MB QD, No PSRAM)
Espressif Systems
Espressif ESP32-S3-DevKitC-1-N8 (8 MB QD, No PSRAM)
MCU
intermediate
// ecosystem_overview

What UBDS tracks for Software boards

SDR boards are defined by what they can hear. UBDS tracks the frequency range, instantaneous bandwidth, ADC resolution, and whether the TX path is half-duplex, full-duplex, or receive-only — the numbers that actually determine whether a project is feasible.

// frequency_ranges
25 MHz – 6 GHz · VHF / UHF / L / S / C bands
// host_interfaces
USB 3 · Gigabit Ethernet · PCIe · Thunderbolt
// toolchains
GNU Radio · SDR# · CubicSDR · SoapySDR · liquid-dsp
// latest_activity

Recently added & updated

UPDATED2026-05-31Adafruit Industries Adafruit Feather M0MCU-653UPDATED2026-05-31Adafruit Industries Adafruit ItsyBitsy M4 ExpressMCU-673UPDATED2026-05-31Adafruit Industries Adafruit Motor/Stepper/Servo Shield v2.3EXP-225
// related_domains

Also worth a look