It is made of high quality material, strong and SMA interface omnidirectional antenna. Suitable for 2.4G/5G dual-frequency wireless router. Any wireless router and network card with SMA interface can use this antenna. Add more power and distance for your wireless network, help to clear up dead spots in your network. Specifications: Support Spectrum: 2.4-5.8GHz Gain: 8dBi Radiation: Omni Interface: RP-SMA VSWR: less than equal 1.5 Suitable for wireless LAN and WiFi router adapter Compliant with IEEE 802.11a, 802.11b, 802.11g, 802.11n wireless LANs Compatible Model: RT-AC68U/EX6200/AC15/AC68U/RT-AC88U/AC88U/AC3200/AC66U/For 9260/9560/8260/8265/7260/7265/3160/DW1560/NGFF M.2 wifi Card, etc Colour:black Material:plastic Size:20 x 3 x 3cm Package Contents: 8 x Antenna Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.