I you want to invest a little.......
http://cgi.ebay.com/Buddy-Trainer-Co...item518e0f80f1
http://cgi.ebay.com/BRAND-NEW-AIRTRO...item35a4bb6e83
maybe someone else with more experience could look at these and confirm if the rds8000 has that same plug port and that it doesnt matter if the buddy box is 72mhz and not 2.4ghz when its used seperatley.</p>