Hello, I've put a generic 2.4 GHz downconverter on EBay. It's surplus to my needs. Have used it to hears AO-51, among others. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=170189178318&ssPageName=STRK:MESE:IT&ih=007 Thanks, Kyle Yoksh K0KN Olathe, Kansas