The 3068 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 250 MHz, Stopband Frequency 300 MHz, 3 dB Cutoff Frequency 250 MHz, Lower Rejection 20 dB@300 MHz, Upper Rejection 1 dB@300 MHz. Tags: Surface Mount. More details for 3068 can be seen below.