SDRplay RSP-1A SDR 1kHz to 2GHz Receiver


The SDRplay RSP-1A SDR (Software Defined Radio) Receiver represents a significant advancement over its predecessor, the RSP-1. Offering unparalleled versatility and performance, this cutting-edge device boasts a wideband reception capability spanning from an impressive 1kHz to 2GHz across the RF spectrum. With just a PC and an appropriate antenna, users can unlock a wealth of communication reception possibilities.

SKU: 10-192 Category: Tags: , ,


Equipped with a high-resolution 14-bit architecture, the RSP-1A delivers exceptional signal clarity and fidelity, ensuring users capture every nuance of the radio frequency environment. Its robust design and feature-rich functionality make it an indispensable tool for enthusiasts, hobbyists, and professionals alike.

One of the standout features of the RSP-1A is its compatibility with a range of SDR receiver software, including the intuitive ‘SDRuno’ supplied by SDRplay. This software empowers users to harness the full potential of the device, offering the ability to monitor up to an impressive 10MHz of spectrum simultaneously. Whether exploring amateur radio bands, tracking down elusive signals, or conducting spectrum analysis, the RSP-1A provides a seamless and immersive user experience.

Moreover, the RSP-1A’s documented API (Application Programming Interface) opens up a world of possibilities for developers. This API enables the creation of custom demodulators and applications tailored to specific user needs, further enhancing the device’s versatility and adaptability to diverse use cases.


  • Covers all frequencies from 1kHz through LF, MW, HF, VHF, UHF and L-band to 2GHz, with no gaps
  • Excellent dynamic range for challenging reception conditions
  • Low levels of spurious responses
  • Works with all the popular SDR software (including HDSDR, SDR Console, Cubic SDR and SDRuno)
  • ExtIO based plugin available
  • Software upgradeable for future standards
  • Strong and growing software support network
  • API provided to allow demodulator or application development
  • Multiplatform driver and API support including Windows, Linux, Mac, Android and Raspberry Pi 2/3
  • Up to 16 individual receivers in any 10MHz slice of spectrum using SDRuno
  • Calibrated S meter and power measurements with SDRuno
  • Ideal for monitoring of ISM/ IoT/ Telemetry bands <2GHz
  • Ideal for portable operation
  • Continuous coverage from 1kHz to 2GHz
  • Up to 10MHz visible bandwidth
  • Powers over the USB cable with a simple type B socket
  • 14-bit ADC silicon technology (not another 8 bit dongle!)
  • 11 high-selectivity, built in front-end preselection filters
  • Software selectable AM/FM and DAB broadcast band notch filters
  • Software selectable multi-level Low Noise Preamplifier
  • Bias -T power supply for powering antenna-mounted LNA
  • RF shielding layer inside case
  • SDRuno—World Class SDR software for Windows
  • Documented API for new apps development
  • Single SMA antenna socket covering entire frequency range

Additional information

Weight 0.7 kg