The 2513 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 88 MHz, Stopband Frequency 132 MHz, 3 dB Cutoff Frequency 88 MHz, Lower Rejection 40 dB@132 MHz, Upper Rejection 1 dB@132 MHz. Tags: Module with Connector. More details for 2513 can be seen below.
