The 5MB/C-500/T50-22 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 471.2 to 528.8 MHz, Bandwidth 57.6 MHz (3dB), Center Frequency 500 MHz, Insertion Loss 1.71 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/C-500/T50-22 can be seen below.