Features: 5.8GHz bandpass filter can improve your wireless transmission and reception, making it great for wireless communication system and fast speed networking. Equipped with cavity shielding box, it can effectively filter out unwanted signal and improve quality. The 5.8GHz frequency bands is commonly used as a frequency bands for wireless radio stations such as fast speed wireless local area networking, broadband wireless access system, and vehicle wireless automatic identification system. It can effectively filter out unwanted signal in the channel, improving transmission and reception performances. The housing is crafted from aluminum, which is antiinterference, small in structure, and wear resistant. Specifications: Material:Metal Package Includes: 1Piece Band Pass Filter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.