WR284 Coaxial Input Waveguide Open Probe

WR284 Coaxial Input Waveguide Open Probe

This product is a well designed Antenna Near Field Measurement Probe with a coaxial input structure. The model is based on a WR284 (BJ32) waveguide size and comes with a standard N K type connector. It is built from copper and aluminum materials for good durability and consistent electrical performance. As a Coaxial Input Probe, this unit features an open ended waveguide design that is fed through a coaxial cable. This makes it much easier to connect to standard RF test equipment compared to pure waveguide probes. The open waveguide structure delivers pure polarization and good compatibility with standard waveguide interfaces. The probe offers high spatial resolution, which allows users to capture fine details of the electromagnetic field. The beam profile measurement is accurate and reliable. This combination of coaxial convenience and waveguide performance makes the probe a practical choice for many lab and field applications.

This Near Field Probe operates in the S band frequency range from 2.6GHz to 3.95GHz. The Voltage Standing Wave Ratio (VSWR) is rated at 2.5, which is typical for this type of open structure probe. The gain is a solid 8dB, providing enough signal pickup for most near field scanning tasks. The N K connector is a rugged and widely used type, making it easy to find compatible cables and adapters. The probe handles high power levels well and resists outside interference effectively. One of the key benefits is field distribution visualization. Engineers can see how the field behaves across the scanned area, which helps locate defects in antennas or systems in a very direct way. The simple but sturdy construction keeps the cost reasonable while delivering professional grade performance for measurement tasks.

One clear strength of this Coaxial Input Probe is its performance in antenna near field scanning and field mapping applications. The pure polarization characteristic ensures that measurements are not contaminated by unwanted cross polarization signals. This is critical when characterizing high performance antennas. The probe is widely used for microwave antenna amplitude phase scanning and field distribution mapping. Its main application areas include low frequency EMC interference troubleshooting, antenna near field and far field measurements, leakage positioning, and radar satellite specific tasks. For engineers working on phased Array Antenna testing, reflector diagnosis, or satellite communication system validation, this unit provides a stable and repeatable measurement reference. The coaxial input also means users do not need special waveguide adapters or complex setups. Just connect a standard coaxial cable and the probe is ready to work.

In practical use, this Waveguide Open Probe handles professional diagnostic tasks very well. For antenna test ranges, it serves as a reliable receiving probe for near field scanning systems. Its 8dB gain and stable performance help produce clean field maps that reveal amplitude and phase variations across the antenna aperture. In EMC work, it helps locate interference sources and identify leakage points in shielded enclosures or on equipment surfaces. The copper and aluminum construction gives the probe good strength while keeping it light enough for mounting on automated scanner arms or hand held positioning fixtures. The N K connector is robust and stands up to repeated connects and disconnects in busy lab environments. It stands as a solid example of how a well designed Coaxial Input Probe with open waveguide structure can meet the demanding needs of S band near field measurement and antenna diagnostics.