The QRB2640M4P5SSM from Q Microwave is a Band Pass Filter with Frequency 2590 to 2690 MHz, Center Frequency 2640 MHz, Insertion Loss 2.5 dB, Rejection 30 dBc @ 2500 MHz, 20 dBc @ 3200 MHz, Power 0.1 W. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for QRB2640M4P5SSM can be seen below.