The MF4A5240F180DCB from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 5150 to 5330 MHz, Bandwidth 180 MHz, Center Frequency 5240 MHz, Insertion Loss 2.8 to 3.2 dB, Upper Rejection 20 to 50 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MF4A5240F180DCB can be seen below.