The 2752-SMA from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 65.26 to 90.26 MHz, Bandwidth 25 MHz, Center Frequency 77.76 MHz, Insertion Loss 3 dB, Rejection 60 dB. Tags: Module with Connectors, Lumped Component Filter. More details for 2752-SMA can be seen below.