The 4MB/C-580/T60-S1G from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 545 to 615 MHz, Bandwidth 70 MHz (3dB), Center Frequency 580 MHz, Insertion Loss 1.46 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/C-580/T60-S1G can be seen below.