●[Easy to use] The phase noise and components of the probe can be combined with a low-noise preamplifier for measurement. ●Material: PCB; Interface: SMA female; Size: Approx. 1.6mm / 0.1in ●【High Quality】With strict quality control and quality assurance, high safety factor, can be used with peace of mind. ●1.5 oz copper thickness, full tin spraying process, 1.6mm thick double‑sided PCB is used to make sure good passing performance of large and small currents. ●Package List: 6 x Near‑Field Magnetic Field Probe