The CER0737B from CTS Electronic Components is a Band Pass Filter with Frequency 1.75 to 1.94 GHz, Bandwidth 195 MHz, Insertion Loss Less than 2.1 dB, Rejection 19 to 47 dB, Power 1 to 10 W. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for CER0737B can be seen below.