Features: High directivity: With high directivity design, accurate RF networking measurement and debugging can be realized. Magnetic clip: equipped with magnetic clip, it can be easily installed on window to improve convenience. Directionality: directivity ≥36dB, ensuring accurate measurement and minimizing interference. Radio frequency bridge | standing bridge | frequency: covering 1MHz to 500MHz or 1MHz to 1000MHz, suitable for various radio frequency spectrum analysis. Achieve reliable RF networking measurements with minimal signal loss thanks to directionality, and compatibility with standard RF testing equipment. Specifications: Size:Approx.85x26mm/3.35x1.77inch Package Includes: 1Pc SWR Bridge Reflection note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.