The GZL-SMA-100 from Shanghai Huaxiang Computer Communication Engineering is a DC Block with Frequency 130 MHz to 26.5 GHz, Insertion Loss 0.3 to 0.6 dB, Breakdown Voltage 50 to 100 V (DC Voltage), VSWR 1.20:1, 1.50:1, Operating Temperature -55 to 100 Degree C. Tags: Connectorized. More details for GZL-SMA-100 can be seen below.