ESUMIC? 16dbi 3G & 4G TS9 External Antenna Signal Booster Huawei E586 E5332 E5776 E392 E589 E398 E8278 This Antenna will work with all Mobile Broadband & Mi-Fi Devices that have a TS9 External Antenna Port Perfect for improving your mobile broadband/Mi-Fi reception when travelling or if you are in a low signal area This antenna has 1 x TS9 antenna port for all the latest Mobile Broadband & Mi-Fi devices Please make sure your device has a TS9 External Antenna Port & not a CRC9 version before purchasing