by Michael Eckart
Wireless products are everywhere. From wireless communications devices to children’s toys to military weapons systems, more and more products are using radio frequencies (RF) (100 kHz to 1 GHz) and microwaves (1 to 110 GHz) to transmit and receive data. Wherever you find RF and microwave technology, you will most certainly find an RF power meter. Because it is impractical to measure voltage directly at these frequencies, power meters are to RF and microwave applications what a voltmeter is to DC and low frequency applications.
