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RTL SDR HF up converter SV1AFN 0-55 MHZ- 200 MHZ LO- 2x GALI74 LNA built&tested
για να το εμπεδώσεις.
http://www.ebay.com/itm/201452307873
http://www.ebay.com/itm/201452307873
http://www.ebay.com/itm/201452307873