The 5MB/E-40/T20-22B from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 29.55 to 50.45 MHz, Bandwidth 20.9 MHz (3dB), Center Frequency 40 MHz, Insertion Loss 0.55 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/E-40/T20-22B can be seen below.