The Bird 4304A-1 is an element for use with the 4304A wattmeter.

• Frequency range: 25-1000 MHz
• Power: 5/15/50/150/500 W

These elements are calibrated in accordance with meticulous Bird calibration procedures. They are supported by a long history of mean deviation values to assure adherence to advertised specifications of current instruments, as well as field interchangeability with equipment purchased, used, and trusted in all the years since its introduction.