75-Ohm TV/VCR In-Line DC Block Female F Jack to Male F Plug ~ RadioShack 15-1259 - $3 - (Pittsfield, MA)
75-Ohm TV/VCR DC Block Protects A/V equipment from coaxial line powered devices. For use with hybrid signal splitters. A DC block is used to prevent the power from a coax line-powered device, such as an in-line coaxial amplifier or satellite LNB, from entering and damaging your TV, VCR or other video component. DC protection is usually provided automatically by the line-powered device if the device is connected to a single TV, but if a hybrid signal splitter is used; additional DC blocks must be installed at the back of other receivers as shown in the illustration on the back of the package. F connector plug to F connector jack for easy inline installation.Item Condition: New in factory sealed package...ITEM NEVER OPENED - PACKAGE IS WORN FROM AGE!RadioShack Cat. No. 15-1259

ADVERTISEMENT
From ebay.com - 1 month ago