The Keysight (formerly Agilent) 5347A 20 GHz Microwave Counter/Power Meter offers the convenience of a single instrument that makes frequency and power measurements with accuracy and resolution comparable to stand-alone instruments. As a true power meter, the Keysight (formerly Agilent) 5347A offers excellent dynamic range, linearity, and accuracy. It uses the same proven power sensors as HP's standalone power meters. The high-performance frequency counter measures frequency from 10 Hz to 20 GHz. With only five function keys, the Keysight (formerly Agilent) 5347A is especially easy to use. Its rugged, lightweight package, along with an optional internal battery that provides up to two hours of cordless measurements, makes the Keysight (formerly Agilent) 5347A ideal for taking portable measurements.