Welcome to our store! Product Features: 2.4G/5G dual-band wireless router/wireless network card antenna 5db omnidirectional antenna. This antenna can be used for wireless routers and wireless network cards with SMA interface. Suitable for ASUS wireless router RT-AC68U AC66U, dual-band wireless router USB-AC56 high-end dual-band network card original antenna. Metal SMA antenna interface, internal pure copper antenna core, RG178 connecting cable, reflecting the superior performance of the antenna. Specifications: Supported frequency bands: 2.4 Ghz ~ 5.8 Ghz Gain: 5dBi Radiation: omnidirectional Interface: RP-SMA Suitable for wireless LAN and WiFi router adapters Length 16 cm when fully extended, length 14.5 cm when folded Complies with IEEE 802.11a, 802.11b, 802.11g, 802.11n wireless LAN standards. Surface finish: Matte black Size: Approx. 16.5 * 1.5 * 1 cm / 6.5 * 0.59 * 0.39 inches Package list: 3 * Antennas Package weight: Approx. 100g. Satisfaction - Customers are our top priority. If you find any problems after receiving the product, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.