鸟牌(BIRD)4041场强计│4041场强仪Specificati***PowerRange1-1000MHzDynamicRange30dBmin.SensitivityFullScaledeflectionat8ft.(21/2m)froma1Wsourcebroadcastingat150MHzthroughaquarterw***eantennaBattery(1)9VAlkaline,NEDANo.1604ABatteryLife200hoursmin.AmbientTempRange[°C(°F)]0to+50°(32to122°)NominalSize[inches(mm)]4-3/8"x2-1/4"x1-15/16,withoutantenna(LxWxD)111x57x49mmWeight10oz.(283g),includingbatteries)