The 2894 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 50 MHz, Stopband Frequency 68.5 MHz, 3 dB Cutoff Frequency 50 MHz, Lower Rejection 45 [email protected] MHz, Upper Rejection 3 [email protected] MHz. Tags: Surface Mount. More details for 2894 can be seen below.