The 2823-30 from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 138.6 to 168.6 MHz, Bandwidth 30 MHz, Center Frequency 153.6 MHz, Insertion Loss 1.5 dB, Rejection 37 dB. Tags: Surface Mount, Lumped Component Filter. More details for 2823-30 can be seen below.