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Cross Country Wireless SDR-4+ Special Edition general coverage receiver

CCW SDR-4+ Special Edition Receiver

We have been manufacturing the SDR-4+ receiver for 6 years. Over that time it has had undergone a process of gradual improvement with several custom versions made for some customers.

The SDR-4+ Special Edition brings all the changes together in one high performance SDR receiver combining a high IP3 push pull RF amplifier and switching mixer with improved RF filtering and a new low distortion and noise IQ amplifier.

The SDR-4+ Special Edition is an HF general coverage SDR receiver covering from 0.85 to 70.5 MHz.

It has a Si570 low noise synthesised VFO, relay switched band pass filtering, high linearity push pull RF amplifier and a built-in USB soundcard.

Key design features include:

CCW SDR-4+ Special Edition Receiver

£189.95 (inc Tax) £158.29 (exc Tax). The PayPal button automatically adds 20% VAT if the buyer is in the UK or EU. It also adds the correct shipping cost. Customers outside the EU pay the lower (exc Tax) price.


The SDR-4+ Special Edition receiver no longer uses "dual use" (military/commercial) devices so it can now be sold without restriction.

The SDR-4+ receiver set-up FAQ sheet can be downloaded as a PDF file here .

The SDR-4+ receiver Quick Start Guide v1.6 can be downloaded as a PDF file here .

The SDR-4+ USB driver installer can be downloaded as a zip file here . The USB installer program loads a driver certificate then the driver file so that it works on the latest versions of Windows.

The SDR-4+ setup program can be downloaded as a zip file here . This installer program stores the USB drivers in a folder C:/SDR-4+ and places the ExtIO files in the HDSDR and Winrad folders in Program Files and Program Files (x86).

This is a link to our CloudMe folder allowing the files included on the CD shipped with each receiver to be downloaded here .

The SDR program we recommend for first time users of SDR receivers is HDSDR which can be downloaded here .

Authors of SDR software programs or other radio programs can add support for the SDR-4+ to their software using the SDR-4+ interface specification.

Existing owners of SDR-4+ receivers can have their receivers upgraded to the new Special Edition specification. Contact us via for more details.

The first YouTube video is a demonstration of the strong signal handling performance of the SDR-4+ Special Edition. The receiver is listening to the background noise floor in a small gap between the strong broadcast stations in the 41m short wave broadcast band. There is a 70 dB difference between the station carriers and the background noise. .

The second YouTube video is from our distributor LAM Communications giving details of the setup and use as a panadaptor.

Contact us via

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