The QP-DCBLK-0027-05 from QP Microwave is a DC Block with Frequency 10 MHz to 27 GHz, Insertion Loss 1 to 1.5 dB, Breakdown Voltage 50 V, Power Rating 30 dBm, VSWR 1.20:1, 1.50:1. Tags: Connectorized. More details for QP-DCBLK-0027-05 can be seen below.