The 6MB/E-440/T70-S2A from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 399 to 481 MHz, Bandwidth 82 MHz (3dB), Center Frequency 440 MHz, Insertion Loss 1.5 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/E-440/T70-S2A can be seen below.