The zBoost YX031-10W is 10" of RG-8X Coax cable with TNC Connectors. It is used in conjunction with the YX024-PCS 7dbI Directional Indoor Antenna or the YX027 Dual Band Directional Indoor Antenna. The cable goes between the Base Unit and the inside antenna allowing the Base unit to be placed on the floor or in an overhead and the antenna can be mounted at a desired height or position. This 10" RG-8X coaxial cable has low-loss and its connecting ends are TNC (Female) to TNC (Male). Note: This cable can be used with all the zBoost YX500 Products - zBoost 510 Dual Band, zBoost YX500-PCS or zBoost YX500-CEL.