Off Center Fed (OCF) Antennas Antenna Tuner RFI Kits Store/RFI Solution Kits/Radio Communication RFI Solutions/Antenna Tuner RFI KitsRefine by FiltersClear allFiltersClear allShow itemsShow itemsFLEX TUNER GENIUS RFI Kit - SO2R/3 Antenna OptionFLEX TUNER GENIUS RFI Kit - SO2R/3 Antenna OptionSKU RFI-AT-FLEX-TG$89.95 Buy Now OCF antennas are very convenient as they will allow multiple bands of operation with a simple wire antenna which is fed off center with a 4:1 OCF Current balun with built in feed line choke,