New antenna, SMA interface omnidirectional antenna.2.4G / 5G dual band wireless router / 5 dB wireless network card antenna SMA omnidirectional antenna.This antenna can be used for wireless routers and wireless network cards of the SMA interface.For the RT-AC68U AC66U wireless router,USB-AC56 high-end dual-frequency dual-band wireless network card antenna.Metal SMA antenna interface, internal core of pure copper antenna, RG178 cable, reflects the antenna's superior performance.Compatible bands: 2.4 Ghz ~ 5.8 GhzName: AntennaGain: 5dBiRadiation: OmniInterface: RP-SMASuitable for wireless LAN and WiFi router adapter15.5 inches fully extended and 14.5 inches foldedCompatible with IEEE 802.11 a, 802.11b, 802.11g, 802.11n wireless LANs. Colour:BlackMaterial:plasticSize:16x1.5x1cmPackage Contents:3 * antennaOnly 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.