Features It can identify and identify potential sources of interference in the building blocks of electronic components. 1.5oz copper thickness, full tin spraying process, 1.6mm thick double-sided PCB is used to ensure good passing performance of large and small currents. The phase noise and spectrum components of this probe can be combined with a low-noise preamplifier for measurement. With strict quality control and quality assurance, the high safety factor can be used with peace of mind. There are 6 pieces probes, which can meet your use and replacement needs, in a very practical way. Specification: Item Type: Magnetic Field Probe for Near Field Material: PCB Interface: SMA female Dimensions: approx. 1.6 mm/0.1 inch Package List: 6 x magnetic field probe for near field Package List 6 x Near‑Field Magnetic Field Probe