Bird Electronic Corporation 430-57 Element, 100 mW, 108 MHz to 136 MHz
The Bird 430-57 is a plug-in element designed for use with Bird wattmeters, specifically within the 430 Series. This element is calibrated to accurately measure forward and reflected RF power at 100 mW within the frequency range of 108 MHz to 136 MHz. Bird Electronic Corporation manufactures this element to provide precise, reliable power measurements for applications such as avionics and VHF communications. The 430-57 is constructed for durability and long-term stability, ensuring consistent performance in demanding environments. It is compatible with Bird 43 and similar wattmeters, supporting field and laboratory RF power testing.