The KFF6106A from CTS Electronic Components is a Band Pass Filter with Frequency 1.087 to 1.093, Bandwidth 6 MHz, Insertion Loss Less than 1 dB, Rejection 40 to 44 dB, Operating_Temperature 0 to 25 Degree C. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for KFF6106A can be seen below.