4G LTE Antenna 25dbi TS9 Connector Signal Booster Amplifier by Generic Compatible with 4G mobile broadband Modems router, simple installation, no software required. Fits 4G modems with CRC9 port Compatible list : Huawei E392, Huawei E398, Sierra Wireless 320U, Huawei k5005, Huawei E5776 and more. Usable indoor or outdoors Enhance and maintain excellent signal quality. Frequency range : 791~821MHz / 832~862MHz/ 1710~1785MHz / 1805~1880MHz / 2500~2570MHz/ 2620~2690MHz