The 7MB/C-507.5/U45-22 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 483.3 to 531.7 MHz, Bandwidth 48.4 MHz (1dB), Center Frequency 507.5 MHz, Insertion Loss 2.62 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 7MB/C-507.5/U45-22 can be seen below.