The CER0105A from CTS Electronic Components is a Band Pass Filter with Frequency 869 to 894 MHz, Bandwidth 25 MHz, Insertion Loss Less than 2.7 dB, Rejection 26 to 38 dB, Operating_Temperature 0 to 70 Degree C. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for CER0105A can be seen below.