The CER0531A from CTS Electronic Components is a Band Pass Filter with Frequency 2.12 to 2.14 GHz, Bandwidth 20 MHz, Insertion Loss Less than 2 dB, Rejection 30 to 35 dB, Power 2 to 20 W. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for CER0531A can be seen below.
