ColibriDDC HF SDR Receiver

The new ColibriDDC is a small sized SDR receiver covering 9 kHz to 55 MHz and with external filters capable to receive frequencies up to 800 MHz. Direct digital signal sampling using a high speed digital to analog converter results in very high performance from a light and small package. The receiver is controlled via…

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Siru SDR20 multi-touch portable SDR

The Siru Innovatios SDR20 multi-touch portable SDR. A few weeks ago, at the Four Days In May conference (held alongside the Dayton Hamvention) I met Jarkko Mäkivaara from the Finnish company Siru. Jarkko was demonstrating the SDR20: a radio that immediately grabbed my attention from across the room. The SDR20 is a fully portable, robust,…

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