Fangrui Product Details The Center Frequency Of This Filter Is 5750mhz, And The 3 Db Bandwidth Is About 600mhz. It Is A Multilayer Thin-film Circuit Structure With Non- Cut-off Characteristics. Anti-interference And Performance Optimization For 5.8g Wimax, Wifi And Other Wireless System Receiving Equipment Can Effectively Filter Out Out-of-band Signals, Reduce Noise, And Increase Dynamic Range. Model: Fbp-5800 Impedance: 50 Ohms Center Frequency: 5750 Mhz 3 Db Passband: 5450 To 6100 Mhz Insertion Loss: Less Than 2.5 Db @5100 ~ 6050 Mhz Maximum Carrying Power: 5 W (37 Dbm) Interface: Sma-m, Sma-f (rf Characteristics Are Symmetrical At Both Ends, Non-directional) Color:as Shown Material:metal Package Contents: 1 X Fbp-5800 Band Pass Filter Only The Above Package Content, Other Products Are Not Included. Note: Light 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.