High Quality 2.4GHz 9dBi WiFi Booster Antenna Install by simply unscrewing your current antenna, and attach this High Gain antenna in its place. There are no drivers to install, and no modifications to your setup are necessary. 9dBi gains Dimension: 39cm tall when fully extended Diameter: 1.5cm RP-TNC Female Folding connector 802.11b and 802.11g: Interoperable with WiFi (WECA) certified equipment Polarization Linear Vertical Omni directional Antenna Package Included: 1 x 9 dBi Antenna Money Back Guarantee: We offer 60 days Money Back Guarantee, you can request for Refund Exchange with no reason. Shipping and handling are non-refundable. Tax: We DO NOT charge tax for any buyer.