You can get the software and cables he

http://www.rfwiz.com/GX4800UT_Acc.htm

Be ready for some serious sticker shock. $249 for the kit. Your
google may vary.

Actually, after posting the message, I did some searching and found the cable
required for $100 and the software for $20.
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73! de Andy KC2SSB - WPYI880 (GMRS)
Beachwood, NJ USA! Grid FM29vw
http://vhfradiobuff.tripod.com