The 7MB/E-300/U200-S3L from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 193.8 to 406.2 MHz, Bandwidth 212.4 MHz (1dB), Center Frequency 300 MHz, Insertion Loss 0.58 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 7MB/E-300/U200-S3L can be seen below.