Off Center Fed (OCF) Antennas Solar System RFI Solutions Store/RFI Solution Kits/Solar System RFI SolutionsOff Grid Solar SystemsOff Grid Solar SystemsGrid Tie Solar SystemsGrid Tie Solar SystemsRefine by FiltersClear allFiltersClear allShow itemsShow itemsSolar Charge Controller RFI Kit - 3 I/O PortsSolar Charge Controller RFI Kit - 3 I/O PortsSKU Solar-CC3$37.95 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,