Looking for unit for 851S-1. Please let me know what you have and the price. And Do all models of 851S-1 have AFC funcition? Does late model of 851S-1 have connector at AFC unit location? If you have it's information, please advice. TNX R/C TS-8010 P/N 622-3431-001/-002 Card Extender Kit for 851S-1 R/C AC-85101 P/N 622-4607-001 DVBFO Kit for 851S-1