This is an indoor directional antenna only. It doesn't work alone. You need a Cell Phone Signal Booster/Repeater to work with this antenna.
If it is matched with the corresponding coaxial cable, it is usually used in the following equipment, such as: router, USB modem, module, Cell Phone signal booster, 3g / 4g wifi hotspot, security camera, mobile hotspot , Gateway, etc.
How it works：The “outdoor antenna” that receives and transmits signal from the nearest tower.
The “signal amplifier” that amplifies signal both arriving and being sent to the nearest tower.
This “omni-directional indoor ceiling antenna“ that retransmits the amplified signal inside the 698-2700MHz
Typical Gain(dBi): 3dBi
Typical Beam Width(°): 360
VSWR: