The 2217 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 0.3 MHz, Stopband Frequency 510 KHz, 3 dB Cutoff Frequency 0.3 MHz, Lower Rejection 78 dB@510 KHz, Upper Rejection 2 dB@510 KHz. Tags: Plug In. More details for 2217 can be seen below.
