Off Center Fed (OCF) Antennas Wall Wart Power Suppy RFI Kits Store/RFI Solution Kits/Smart Home RFI Solutions/Wall Wart Power Suppy RFI KitsRefine by Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow itemsWall Wart RFI Noise Filter Bulk Pack of 10 FiltersWall Wart RFI Noise Filter Bulk Pack of 10 FiltersSKU RFI-WW-10$29.95 Buy NowWall Wart RFI Noise Filter Bulk Pack of 100 filtersWall Wart RFI Noise Filter Bulk Pack of 100 filtersSKU RFI-WW-100$199.95 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,