\u00A0High Gain Antenna: It can highly enhance your wifi\/4G signal range, you can improve your mobile broadband reception when you are in a weak-signal area. Device compatible: Compatible with most modemsouters\/hotspots with SMA\/CRC9\/TS9 connectors. Significantly increases both the range and the signal quality of your 4G LTE network. Plug and Play: You do not need to install any drivers. Just screw it to the connectors on your 4g router mobile hotspot and it runs. Frequency Range: Cover a frequency Range between 791(MHz) and 2690(MHz), you can get maximum omnidirectional wireless coverage in weak internet environment. Great for places with bad signals. Easy to Place:\u00A0 it can be placed anywhere and receive high quality signals. \u00A0\u00A0 \u00A0\u00A0 \u00A0\u00A0 \u00A0\u00A0 \u00A0\u00A0 \u00A0\u00A0 \u00A0\u00A0 \u00A0 \u00A0