The ECRA1182F1217C27A from ECHO Microwave is a Band Stop Filter with Stopband Frequency 1182.5 to 1217.5 MHz, Bandwidth 35 MHz, Insertion Loss 1.3 dB (848 - 1152, 1248-1552 MHz), Rejection 27 dB. Tags: Module with Connectors, Ceramic Filter. More details for ECRA1182F1217C27A can be seen below.