The AT-DCLF-18M18F from AT Microwave is a DC Block with Frequency 4 KHz to 70 GHz, Insertion Loss 1.5 to 3 dB, Breakdown Voltage 10 V, Power Rating 27 dBm, Return Loss 12 dB. Tags: Module with Connectors. More details for AT-DCLF-18M18F can be seen below.