Features: 1. Cable: RP SMA Male to Female Connector RG174 Coax Cable. Impedance:50 Ohm. 2. 4 Sizes: There are 1m/3.3ft, for 3m/9.8ft, 6m/19.7ft, 9m/29.5ft to choose. Allows you flexibility placing the WiFi antenna to a optimal position to maximize the wireless performance on your need. 3. Compatibility: Can be used with Wi-Fi network adapters, routers, and everything that uses reverse polarity SMA. 4. This is a RP-SMA extension cable not a SMA extension cable. Please check the picture carefully before purchasing. 5. Application: Applied to 3G equipment, GPS, GSM, GPRS wireless card, router, bridge, wireless module, tester, etc. Note: This rp-sma extension cable is for wifi not for TV. Specifications: Material: PVC, Coaxial Line Color: Black Size(approx): 1m(3.3ft)/for 3m(9.8ft)/6m(19.7ft)/9m(29.5ft) Connector Type: SMA inner screw hole and outer screw inner needle Wire: RG174 coaxial line Outer Diameter: 2.8mm Impedance: 50ohms Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Piece Extension Cable