Best performance: Our ultra-wideband (UWB) antenna provides excellent signal quality, high gain, and stable and reliable connection in a wide frequency range of 550MHz-7GHz This antenna is a high-gain log-periodic omnidirectional antenna, using full-discharge signal detection, pulse wave detection, field strength detection, detection, etc Stable performance and high reliability Versatile connection: This directional antenna is equipped with a SMA male connector to easy integration with a variety of devices, enhancing the coverage and stability of Wide range of applications: Suitable for a variety of applications, including telecommunications, broadcasting, and signal testing, it can provide consistent performance in environments Part Name: UWB Antenna Frequency Range: 550MHz - 7GHz Gain: 0 - 3dBi SWR: less than 3 (Typical) Polarization: Linear Polarization Impedance: 50ohm Colour:blue Material:PCB Package Contents: 1 * UWB 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.