The CER0608A from CTS Electronic Components is a Band Pass Filter with Frequency 1.52 to 1.56 GHz, Bandwidth 41 MHz, Insertion Loss Less than 2.3 to 2.8 dB, Rejection 18 to 42 dB, Power 1 to 10 W. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for CER0608A can be seen below.