Feature:1. PCB adopts 1.6mm thick double‑sided board, 1.5 oz copper thickness, full tin spraying process.2. Great workmanship, to make sure good passing performance of large and small currents.3. Can locate and identify potential sources of interference in the building blocks of electronic components.4. Phase noise and spectrum components can be combined with a low‑noise preamplifier for measurement.5. Convenient to use and with good performance, with small size, easy to carry and store.Spec:Item Type: Near‑Field Magnetic Field Probe Material: PCBInterface: SMA femaleSize: Approx. 1.6mm / 0.1in Package List:3 x Near‑Field Magnetic Field Probe