Manufacturer: The item is made by Dow-Key Microwave, a company that designs and fabricates space-qualified coaxial and waveguide switches. Part Number: The specific part number is 441K-530803A. Other similar Dow-Key switches exist with various configurations and voltages. Specifications: Voltage: It operates on 28 VDC (Volts DC). Function: Coaxial switches are designed to reliably route microwave signals or RF energy within a transmission line.
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