The OHP 65-10 from Beijing Ocean Microwave Corporation is a RF High Pass Filter with Frequency 65 to 800 MHz, Insertion Loss 1.26 to 2.87 dB, Rejection 40 @ 58.5 MHz to 60 @ DC to 55.9 MHz, VSWR 1.23:1, 1.50:1, Return Loss 14 to 20 dB. Tags: Module with Connectors, Chebyshev. More details for OHP 65-10 can be seen below.