**********Used to cap off unused F connectors on booster, splitter, amplifier, coax cable and wall plates. *****Help reducing signal loss and reflection caused by open ports. Improve other devices reception. The signal loss can interfere with other digital equipments, like noise and broken pictures on other TVs. Also used to keep ports clean, block dust and moisture.
*****HIGH QUALITY: Connectors are built with nickel-plated brass for long lasting performance, while it reduces attenuation and enhance transmission capacity.
*****EASY INSTALL: Scrow on unused ports, easy to put on and take off.
*****PRICE SAVING: This listing comes with 20-Pack it saves you much and makes you always have enough backup