The CER0459A from CTS Electronic Components is a Band Pass Filter with Frequency 1.53 to 1.61 GHz, Bandwidth 85 MHz, Insertion Loss Less than 1.4 dB, Power 1 to 10 W, Operating_Temperature -40 to 85 Degree C. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for CER0459A can be seen below.