冉先生：电话0769-28311616，手机13332607146详细介绍R&S|CMD55/CMD57手机综合测试仪|罗德施瓦茨|CMD55/CMD57Rohde&Schwarz|手机测试仪品牌:罗德施瓦茨|Rohde&Schwarz|R&S|R/S特点·是测量GSM及GSM1800移动电话的紧缩式单元·通过RS232，IEC/IEEE远控·前面板有多功能连接器·话音编码器/解码器可被集成·可选择安培表和伏特表·高敏感度二级RF输入技术指标RFgeneratorsameasCMD52,butFrequencyrangeGSM900band935.2to959.8MHzGSM1800band1805.2to1879.8MHzGSM1900band1930.2to1989.8MHzOutputlevelRFIN/OUT-35to-120dBmOUT2+11to-77dBmRFgenerator2sameasRFgenerator1,butMax.outputlevel(RFIN/OUT)-37dBm(RFOUT2:+9dBm)Peakpowermeter(RFIN/OUT)Frequencyrange800to1000MHz1700to1900MHzMeasurementrange/resolutionGSM900band0to47dBm/0.1dBGSM1800/19000to33dBm/0.1dBVSWR≤1.3PhaseandfrequencyerrormeasurementwithoptionCMD-B4FrequencyrangeGSM900band890.2to914.8MHzGSM1800band1710.2to1784.8MHzGSM1900band1850.2to1909.8MHzLevelrangeRFIN/OUTGSM900band0to47dBmGSM1800/19000to33dBmRFIN2-60to0dBmBurstpowermeasurementwithoptionCMD-B4FrequencyrangeGSM900band890.2to914.8MHzFrequencyrangeGSM1800band1717.2to1784.8MHzGSM1900band1850.2to1909.8MHzReferencelevelrangeRFIN/OUTGSM900band10to47dBmGSM1800/19000to33dBmRFIN2-37to0dBmHigh-dynamicburstahalysiswithoptionCMD-B42DynamicrangeMeasurementlinit>72dBRFIN/OUTGSM900band<-36dBmGSM1800/1900<-48dBmRFIN2GSM900band<-83dBmGSM1800/1900<-85dBmAFgeneratoroptionCMD-B41Frequencyrange/resolution50Hzto10kHz/0.1HzFrequencydriftsameastiomebase+halfresolutionVoltagerange/resolution10μVto5V/10μ(1%)Distoution≤0.5%AFvoltmeterFrequencyrange50Hzto10kHzMeasurementrange/resolution0.1mVto30V/100μV(1%)DistortionmeterFrequencyrange300Hzto3kHzInputvoltagerange/resolution100mVto30V/0.1%Inherentdistortion≤0.5%AFcounter