The 3064 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 300 MHz, Stopband Frequency 600 MHz, 3 dB Cutoff Frequency 300 MHz, Lower Rejection 55 dB@600 MHz, Upper Rejection 1 dB@600 MHz. Tags: Module with Connector. More details for 3064 can be seen below.