Author: Marius Lubbe ZS1ML
As a tech enthusiast with a penchant for radio exploration, I recently got my hands on the SDRPlay RSPdx, a device that has redefined my radio adventures. This compact yet powerful SDR receiver, with its continuous coverage from 1 kHz to 2 GHz, has been a game-changer in my explorations of the radio spectrum.
Upgraded Design and Enhanced Capabilities Receiving the RSPdx, I immediately noticed its robust build quality. Weighing just 315g, its metal housing is not only durable but also travel-friendly. The device’s three antenna ports, with two SMA and one BNC connector, offer immense flexibility for various antenna setups. The introduction of the new High Dynamic Range (HDR) mode is a remarkable upgrade, significantly improving dynamic range and selectivity, especially below 2 MHz.
Remarkable Performance Across Bands My experiments with the RSPdx across different bands have been nothing short of impressive. In the mediumwave and longwave bands, its sensitivity and selectivity rival high-end receivers like the WinRadio Excalibur. The HDR mode, when engaged, makes a noticeable difference in signal clarity and strength. Moreover, the integration of various filters, including FM, MW, and DAB notch filters, effectively suppresses unwanted signals, making my listening experience much more enjoyable.
SDRuno: A Robust Companion Software Alongside SDRConnect, SDRuno, the OEM application, has played a crucial role in my experience with the RSPdx. It is one of my favorite SDR applications, seamlessly integrating with the RSPdx to exploit its full potential, especially the HDR mode. SDRuno’s evolution from a somewhat cluttered interface to a user-friendly, cohesive application is commendable. Its only limitation is the lack of audio recording and support for multiple instances, but its current capabilities make it a strong contender for my primary SDR application.
SDRConnect: A New Software Experience My journey with the RSPdx has been further enhanced by SDRPlay’s new software, SDRConnect. This multiplatform software has brought some intriguing features like direct frequency input, IQ recording and playback, and asymmetrical filter editing. Its compatibility across various platforms like Windows, MacOS, and Linux ensures versatility in usage scenarios. While SDRConnect doesn’t support SDRuno plugins yet, the plan to port these as modules for SDRConnect is exciting, promising an expanded range of functionalities in the near future.
Experiencing VLF and HF Bands One of the aspects where the RSPdx genuinely shines is in its VLF and HF performance. Using a simple Mini Whip antenna, I was able to receive various signals clearly, even within a concrete building. The device’s sensitivity, particularly in these bands, is remarkable, making it an ideal tool for enthusiasts who delve into these frequencies.
Conclusion: A Versatile Tool for Radio Enthusiasts In conclusion, the SDRPlay RSPdx is not just another SDR receiver; it’s a versatile tool that caters to a wide range of radio frequencies with enhanced performance and functionality. Paired with the new SDRConnect software and the robust SDRuno, it offers an enriched and user-friendly experience, making it a valuable addition to any radio enthusiast’s toolkit. Whether you’re a seasoned DXer or just starting in the world of radio, the RSPdx is a device that promises to elevate your radio journey to new heights.
From my perspective, as someone who has thoroughly explored and experienced the capabilities of the SDRPlay RSPdx, I strongly urge you to seriously consider acquiring this device. Its exceptional performance across various bands, the versatility offered by its robust software companions SDRuno and SDRConnect, and the overall quality and value it presents make it an outstanding choice for anyone passionate about radio communication and exploration. Whether you’re a novice or a seasoned enthusiast, the RSPdx is a tool that promises to enrich your experience in the fascinating world of radio.
