usage: 1. First remove the antenna on the wireless AP or wireless router. 2. Take out the SMA cable (RG316) and connect the wireless AP (wireless router or wireless network card) to the TO Radio port of the . 3. Connect the antenna to the other end of the (TO Antenna). 4. Plug it in and you're done. Wireless is suitable for home/office and public places, and is suitable for wireless model aircraft/aerial photography and wireless monitoring equipment. Product parameters: Model: EP-AB003 Supported standards: IEEE802.11 B/G 2500 MHz frequency: 2400-2500MHz Impedance: 50Ω RF output power: 3000MW [35dBm] mission gain: 13-17 dB Receiver gain: 8 - 12dB Noise factor: 3.0 dB (typ) Operating temperature: -40°C to +70°C Operating humidity: up to 95° DUE to Different Batches, The Apperance, Color and Printing of the Product May Be Different, which does not attract use. Plug Type: EU Plug, it applies to Indonesia, Germany, France, Spain, Italy and so on voltage: AC100-240V Material: aluminum colour: Black Package Contents: 1 x WIFI Amplifier 1 x SMA cable 1 adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.