The 6FD10-20400/H1600-P/P from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 19305 to 21495 MHz, Bandwidth 2190 MHz (0.5dB), Center Frequency 20400 MHz, Upper Rejection 40 dB, Lower Rejection 40 dB. Tags: Cavity Filter. More details for 6FD10-20400/H1600-P/P can be seen below.