The 5MB/E-28/T2-14 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 26.9 to 29.1 MHz, Bandwidth 2.2 MHz (3dB), Center Frequency 28 MHz, Insertion Loss 3.43 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/E-28/T2-14 can be seen below.