The 3HD10-7223/U7-O/P-1 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 7215.9 to 7230.1 MHz, Bandwidth 14.2 MHz (1dB), Center Frequency 7223 MHz, Insertion Loss 1.1 dB, Upper Rejection 40 dB. Tags: Cavity Filter. More details for 3HD10-7223/U7-O/P-1 can be seen below.