High Frequency Bird Element | 950 to 1100 MHz, 500 WattAll Table 3 Series, 7 8" Plug In Elements are calibrated in accordance with meticulous Bird calibration procedures 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. Part (EDMO# 500J 950) has a frequency range from 950 to 1100 MHz and rated for 500 watts of