The GZL-2.92 from Shanghai Huaxiang Computer Communication Engineering is a DC Block with Frequency 100 MHz to 40 GHz, Insertion Loss 0.5 to 1.2 dB, Breakdown Voltage 50 V (DC Voltage), VSWR 1.30:1, 1.55:1, Operating Temperature -55 to 85 Degree C. Tags: Connectorized. More details for GZL-2.92 can be seen below.