The 3HD10-7210/U7-O/P-1 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 7203.35 to 7216.65 MHz, Bandwidth 13.3 MHz (1dB), Center Frequency 7210 MHz, Insertion Loss 1.05 dB, Upper Rejection 25 dB. Tags: Cavity Filter. More details for 3HD10-7210/U7-O/P-1 can be seen below.