The 2256 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 0.6 MHz, Stopband Frequency 660 KHz, 3 dB Cutoff Frequency 0.6 MHz, Lower Rejection 60 dB@660 KHz, Upper Rejection 3 dB@660 KHz. Tags: Plug In. More details for 2256 can be seen below.
