The CHPFL-0100-BNC from Crystek Corporation is a RF High Pass Filter with Frequency DC to 100 MHz, Insertion Loss 1.73 to 120.51 dB, Power 4 W, Return Loss 0.01 to 14.52 dB, Operating_Temperature -40 to 85 Degree C. Tags: Connectorized, Chebyshev. More details for CHPFL-0100-BNC can be seen below.