Features: 5.8GHz bandpass filter can improve your wireless transmission and reception, making it great for wireless communication system and high-speed networks. Equipped with cavity shielding box, it can effectively filter out unwanted signals and improve signal quality. The 5.8GHz frequency bands is commonly used as a frequency bands for wireless radio stations such as points-to-points or pointSs-to-points spread spectrum communication system, high-speed wireless local area networks, broadband wireless access system, Bluetooth-compatible technology equipment, and vehicle wireless automatic identification system. It can effectively filter out unwanted signals in the channels, improving transmission and reception performances. The housing is made of aluminum alloy material, which is anti-interference, small in structure, and sturdy and durable. Specifications: Material: Metal, Aluminum Alloy Size: Approx. 45x25x12mm/1.77x0.98x0.47inch Interfaces: SMA-K Input/output impedance: 50Ω Filtering characteristics: refer to S21 curves for details Package Includes: 1 Piece 5.8GHz Bandpass Filter note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.