Product introduction: This 4G Huawei router antenna has high signal sensitivity and uses high-quality environmentally friendly materials. It is a 4G full-band antenna. Support Huawei B593S-850/B880/B890/B310/B593/ZTE MF3S and other 4G equipment, compatible with mobile, China Unicom, telecommunications, support WCDMA.LET, DTU, 4G, GSM, GPRS and other applications. Product parameters: Total antenna length: 19cm Antenna gain: 10DBI Folded length: 17cm Interface model: SMA inner needle Impedance: 50Ω Connector inner diameter: 6mm Standing wave ratio: <1.5 Color: black, white Directionality: omnidirectional Polarization mode: vertical polarization Operating temperature:-40° C-+80° C Working frequency: 700-960mhz 1710-2700mhz Product application: Huawei B5935-850/B880/B890/B310/B593/ZTE MF3S and other 4G equipment Precautions: Why is the effect not ideal when using an antenna? 1. Some devices have a lock, you need to crack the upgrade firmware to use the external antenna 2. Some machines need to be set. Please open the computer or mobile phone browser, enter 192.168.1.1, enter the default user name admin password admin, click the upper system antenna, adjust to external or automatic