The 2306 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 6 MHz, Stopband Frequency 7 MHz, 3 dB Cutoff Frequency 6 MHz, Lower Rejection 40 dB@7 MHz, Upper Rejection 3 dB@7 MHz. Tags: Plug In. More details for 2306 can be seen below.
