The CER0814B from CTS Electronic Components is a Band Pass Filter with Frequency 2.62 to 2.69 GHz, Bandwidth 70 MHz, Insertion Loss Less than 2.4 dB, Rejection 38 to 49 dB, Power 2 to 20 W. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for CER0814B can be seen below.