1. Antenna usage: It can be used for remote control range extension, drone range extension, model aircraft range extension, image transmission range enhancement, WiFi range enhancement, Bluetooth range enhancement, etc.! 2.4GHz signal transmission of various types of signals. 2. Technical parameters: 1) Frequency range: 2400-2483MHz (directional linearly polarized antenna) 2) Input impedance: 50Q 3) Gain: 13.5dBi (conservative value) 4) Radiation angle: E=51.8°, H=114.6 5) Standing wave ratio: VSWR Less than 1.5 6) Maximum power withstand: 20W 7) Size: 150mmx100mmx1.6mm 8) Connector type: B SMA internal thread internal needle Colour: Black Material:PCB Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * antenna 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.