The CER0357B from CTS Electronic Components is a Band Pass Filter with Frequency 1.53 to 1.63 GHz, Bandwidth 100 MHz, Insertion Loss Less than 1.7 dB, Rejection 40 to 50 dB, Power 1 to 10 W. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for CER0357B can be seen below.