SDRplay

SDRplay is a British company that designs and manufactures software-defined radio (SDR) devices. The company was founded in 2013 and is headquartered in Guildford, Surrey, United Kingdom. SDRplay's products are known for their high sensitivity, wide bandwidth, and affordability, making them popular among amateur radio operators, hobbyists, and professionals.

SDRplay's flagship product is the RSP (Research SDR Play) series, which includes several models with varying levels of performance and feature sets. The RSP1, RSP2, and RSP2pro are the most popular models, offering a balance of price and performance. These devices are capable of receiving a wide range of frequency bands, from very low frequencies (VLF) to above 2 GHz, and can be used for a variety of applications, including radio astronomy, spectrum analysis, and communication systems design.

SDRplay's products are known for their high-quality analog-to-digital converters (ADCs) and solid-state oscillators, which provide high sensitivity and low noise figures. The devices are also highly tunable, allowing users to select from a wide range of frequency ranges with a resolution of 1 kHz or better. SDRplay devices are typically connected to a host computer via USB, where they can be controlled using a range of software applications, including SDRPlay's own suite of tools.

SDRplay's products have received positive reviews from the amateur radio community and have been used in a variety of applications, including meteor scatter detection, ionospheric research, and shortwave radio broadcasting. The company is known for its commitment to innovation and customer support, and has a strong online community of users who share knowledge, tips, and projects involving SDRplay's products.