The 13FD10-20300/U1800-O/OP from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 19293.5 to 21306.5 MHz, Bandwidth 2013 MHz (1dB), Center Frequency 20300 MHz, Insertion Loss 1.15 dB, Upper Rejection 40 dB. Tags: Cavity Filter. More details for 13FD10-20300/U1800-O/OP can be seen below.