The AT-DCLF-29M29F from AT Microwave is a DC Block with Frequency 4 KHz to 40 GHz, Insertion Loss 0.8 to 1.5 dB, Breakdown Voltage 10 V, Power Rating 30 dBm, Return Loss 10 to 15 dB. Tags: Module with Connectors. More details for AT-DCLF-29M29F can be seen below.