The 5MB/E-125.42/T51-S3NA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 99.77 to 151.07 MHz, Bandwidth 51.3 MHz (3dB), Center Frequency 125.42 MHz, Insertion Loss 1.27 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/E-125.42/T51-S3NA can be seen below.