2.4GHZ Microstrip Bandpass Filter Double-Sided Printed Circuit Board Bandpass Filter Module Electronic Component 1.6 Mm Thick Microstrip Filter 2.3-2.5GHz. Feature: Effective Filtering, Broad Filtering Range, Durable Construction, Seamless Design, Full Tin Spraying Technology. Specification: Item Type: Bandpass Filter Module, Material: Printed Circuit Board, Parameter Index: S21>-3.6 dB, S11<-15 dB, S22<-13 dB, Product Size: 57.00 X 26.00 X 7.00 MM/2.24 X 1.02 X 0.28 Inch