NODES Intelligent networkable spectrum monitoring systems with optimised SWaP for indoors/outdoors and rugged deployment. RF RECORDERS Systems for record and playback of RF spectrum. BOARDS High performance COTS wideband receiver modules for defence and aerospace system integrators. ARRAYS Innovative hybrid geolocation and direction finding solutions for commercial, government and military end users. GROUND VEHICLE SYSTEMS Ground-mobile platforms for routine spectrum surveys and rapid-reaction surveillance and monitoring operations. MAN-PORTABLE SYSTEMS Rugged backpacks and stormcases with integrated RFeye receivers and high performance batteries built for portability. MOUNTING SYSTEMS AND ACCESSORIES Convenient rugged mounting kits for indoor and outdoor deployments of RFeyeNodes. CRFS provides a comprehensive range of RFeye spectrum monitoring systems at various price and performance levels. All our products are designed, engineered and manufactured to exacting standards for robust high performance in the field. At all levels, we focus on providing an excellent RF front end. We aim to provide the best value for money compared with all competitor products in a similar class. The product range includes entry level systems for dense network deployments through to best-in-class systems for military applications. As well as the industry standard RFeye Nodes for fixed remote distributed monitoring, we supply portable and vehicle based systems and a range of RFeye Arrays that are an extremely cost-effective alternative to traditional direction finders. We also supply state-of-the art receivers and detectors for system integrators in defence and aerospace.