This Is an Improved Single-Stage Ultra-Wide Antenna, as Long as It Is Used for Ultra-Wide Positioning; Communication, Etc. The Antenna Coverage Frequency Is 2.0GHZ-10.5GHZ Typical Value of Standing Wave 2.5 The following Antenna Has the Characteristics of Small Size and High Efficiency. Polarization Mode: Hammer Linear Polarization Enter Anti-Group:50Ohm Maximum Power:10W 40dbm Connector Specifications:SMAFemale (Outer Screw Inner Hole) 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 Colour:Photo Color Material:PCB Package Contents: 1 x UWB Ultra-Wide Band 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.