About this item 5G, 4G, RADAR, WiFi Interference Elimination Filter 4000-4200 MHz BLUE Band Pass Filter for filtering 5G Bands – N78 & N77 High and Low Bands One (Single) Output – Voltage Polarity Switching Flat Scalar Included Dielectric Slab Included for Circular Polarity Reception Allen Head Hardware and Tool Included Important Install Information: The Skew “0” Zero mark is aligned with the HORIZONTAL polarity




