Condition: Frequency: DC-6GHz, the standard load full-band standing wave is lower than 1,025. A set of NanoVNA vector network analyzer calibration kits, including SMA open, SMA short, a 50 standard load, and the interface is SMA male (female thread). The SMA load terminal is stainless steel with a low standing wave. 50 ohm imported stainless steel load, low standing wave, DC-6 GHz (1 MHz-6 GHz), the standing wave ratio is basically around 1.02. Material:metal colour:Golden Package Contents: 3 x SMA Calibration Kit Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.