Rohde & Schwarz HZ540L EMI Near-Field Probe 3GHz | Rapid Electronics Packaged 4PCs Near Field Probe -- The package contain a total of 4pcs of probes, which can fully meet your using needs Sdr Dongle 4PCS Near Field Probe 30MHz-3GHz KCR20B EMI EMC Pre Certified Magnetic Field Antenna Kit Specification: Item Type: Near Field Probe Material: ABS Operating Frequency: 30MHz to 3GHz Package List: 4 x Near Field Probe Note: In use, the large size probe is usually used to determine the approximate area where the interference source is located, and then the small diameter probe is changed to narrow the search range, and gradually identify the source of the interference magnetic field in the electronic module. PROBE EMC EMI Near Field Probe Conducted Radiation Correction Simple... Near-Field Probe EMC EMI Probe 9KHz-3GHz Antenna Electronic Compnts... Possess Impact -- Good quality ABS material, possess impact resistance, scratch resistance, environmentally friendly 30MHz-3GHz Frequency -- The frequency response of the probe is relatively flat in the range of 30MHz to 3GHz and is used to measure the magnetic field in the development phase