Hello, I have a nice used Symek TNC3S high speed packet controller http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=320301584793 Good for satellite or ground high speed packet. Search ebay item 320301584793 if the link above breaks. -- Best regards, st797 mailto:st797 at dcpages.net