The 5MB/C-680/H20-S5A from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 667.45 to 692.55 MHz, Bandwidth 25.1 MHz (0.5dB), Center Frequency 680 MHz, Insertion Loss 2.8 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/C-680/H20-S5A can be seen below.