The 5MB/E-573/U18-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 560.285 to 585.715 MHz, Bandwidth 25.43 MHz (1dB), Center Frequency 573 MHz, Insertion Loss 3.15 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/E-573/U18-18 can be seen below.