The OHP 60-8 from Beijing Ocean Microwave Corporation is a RF High Pass Filter with Frequency 60 to 800 MHz, Insertion Loss 0.84 to 1.63 dB, Rejection 40 @ 51.9 MHz to 60 @ DC to 48.3 MHz, VSWR 1.23:1, 1.50:1, Return Loss 14 to 20 dB. Tags: Module with Connectors, Chebyshev. More details for OHP 60-8 can be seen below.