The 2277 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 27 MHz, Stopband Frequency 38 MHz, 3 dB Cutoff Frequency 27 MHz, Lower Rejection 60 dB@38 MHz, Upper Rejection 0.5 dB@38 MHz. Tags: Plug In. More details for 2277 can be seen below.
