The 2297-4 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 4 MHz, Stopband Frequency 5.6 MHz, 3 dB Cutoff Frequency 4 MHz, Lower Rejection 45 [email protected] MHz, Upper Rejection 0.5 [email protected] MHz. Tags: Plug In. More details for 2297-4 can be seen below.
