The 7MB/C-275/U100-S3L from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 221.3 to 328.7 MHz, Bandwidth 107.4 MHz (1dB), Center Frequency 275 MHz, Insertion Loss 0.87 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 7MB/C-275/U100-S3L can be seen below.