RF Power Meters
RF Power Meters
RF power meters are precision instruments that measure the power level of radio frequency and microwave signals, expressed in watts, milliwatts, or dBm. They operate across a broad frequency spectrum, from audio frequencies up to millimeter-wave frequencies above 100 GHz. A typical RF power meter consists of a display and processing unit paired with dedicated power sensors, supporting dual-channel measurement, averaging modes, and calibration factor correction for accurate real-world readings.
Engineers across telecommunications, aerospace, broadcasting, and defense rely on RF power meters to verify transmitter output, optimize amplifier performance, and ensure compliance with regulatory power limits. They are equally important in R&D laboratories for characterizing new device prototypes and in production environments for rapid pass/fail testing.
Typical Applications
- Transmitter output power verification in cellular base stations and satellite ground systems
- Antenna gain and path loss measurement in aerospace and defense testing
- Signal generator output calibration and power reference in RF laboratories
- EMC pre-compliance and radiated power assessment
- Power monitoring at broadcast transmission facilities
Popular Brands
Keysight Technologies produces the widely used EPM and N1913A/N1914A series, known for wide dynamic range and fast measurement speed. Anritsu offers high-accuracy power meters for both lab and field use. Rohde & Schwarz provides solutions integrated into broader RF test systems. Bird Technologies specializes in in-line power meters used extensively in broadcasting and wireless communications infrastructure.
