The 5MB/E-121.795/T51-S3NA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 96.145 to 147.445 MHz, Bandwidth 51.3 MHz (3dB), Center Frequency 121.795 MHz, Insertion Loss 1.2 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/E-121.795/T51-S3NA can be seen below.