Allnice&reg; 4G TS9 Connector 16dbi Wireless Signal Extender Booster Amplifier External Network Antenna with 2m Extension Cable For Router/USB Modem Simple installation, no software required. Can be used indoor or outdoors, enhance and maintain excellent signal quality. Omni-Directional, no aiming is required - it can send and receive in All Directions. Greatly enhance the speed and receiving capabilities of your 4G Pocket router and 4G USB modem. Compatible with 4GHz/3GHz/2Ghz wireless WLAN antenna. Max gained 16dbi, provide more signals.