Price: (as of - Details) excellent signal quality . In the United States, Canadian and Mexican cellular operators use 8 to 12 dBi of gain on all 3G and 4G LTE LTE AWS bands (698~960, 1710~2170 and 2500~2700 MHz). Includes 3G 4G high gain omnidirectional antenna, strong magnetic antenna base and 3M sticker (fixed non-metallic surface), 9.4 ft low loss coaxial cable and … [Read more...] about GSM 4G LTE 9dBi High Gain External Magnetic Antenna Booster Amplifier WLAN Router & Modems Network Connector (TS9/SMA) 1PCS