The KFF6242A from CTS Electronic Components is a Band Pass Filter with Frequency 1.63 to 1.66 GHz, Bandwidth 35 MHz, Insertion Loss Less than 1.5 dB, Rejection 20 to 22 dB, Power 1 to 10 W. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for KFF6242A can be seen below.