CMD55GSM綜合測試儀CMD55
是測量GSM及GSM1800移動電話的緊縮式單元
通過RS232，IEC/IEEE遠控
前面板有多功能連接器
話音編碼器/解碼器可被集成
可選擇安培表和伏特表
高敏感度二級RF輸入
可改進為GSM、GSM1800及GSM1900測試
CMD55出售CMD55 報價 綜合測試儀CMD55
銷售、租賃CMD55/CMD55綜測
周先生 （業務部經理）
021-6172 8576 021-6112 4992
135 6403 5149
產品名稱： 綜合測試儀CMD55品 牌： R/S產品型號： CMD55產品指標： GSM/DECT 綜合測試儀是測量GSM及GSM1800移動電話的緊縮式單元•通過RS232，IEC/IEEE遠控•前面板有多功能連接器可選擇安培表和伏特表
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ＣＭＤ５５手機綜合測試儀ＣＭＤ55大運特價出租出售
銷售/出租/回收二手CMD55 綜合測試儀丁先生 QQ:175420393
CMD55產品特點：·是測量GSM及GSM1800移動電話的緊縮式單元·通過RS232，IEC/IEEE遠控·前面板有多功能連接器·話音編碼器/可被集成·可選擇安培表和伏特表·高敏感度二級RF輸入·可改進為GSM、GSM1800及GSM1900測試
CharacteristicsThe CMD52 is a compact unit for testing GSM900 mobiles. The CMD55 is furthermore capable of testing GSM1800 （formerly named PCN orDCS1800） ａnd GSM1900 （formerly named PCS or DCS1900） mobile phones. Both models are favourably priced ａnd combine small dimensions with high measurement accuracy ａnd speed.The testers range of capabilities includes all signalling, generator ａnd measurement functions required for verifying the correct operation of the DUT （Device Under Test）. Thanks to its fast go/nogo tests ａnd accurate analysis using optional extensions, CMD52 ａnd CMD55 are equally well suited for R&D, production ａnd high-end service ａnd production.Based on the wide-range know-how of Rohde & Schwarz in digital radiocommunication testing, which not least was obtained in developing type-approval test systems such as the GSM900 ａnd GSM1800 system simulators, both CMD models are top-grade testers for present ａnd future measurement applications.Test capabilitiesTo test mobile phones, the CMD simulates a GSM900, 1800 or 1900 base station. One of the two RF synthesizers available for this purpose delivers a continuous BCCH signal while the other one provides all 8 timeslots for TCH signals.The major test functions are:Mobile synchronizationLocation updateIncoming call setupOutgoing call setupMobile power level controlHandover （channel change, timeslot change）Peak power measurementHigh dynamic range burst analyzer （option CMD-B4 ａnd CMD-B42）Spectrum due to Switching measurement （option CMD-B4 ａnd CMD–B43）Spectrum due to Modulation measurement （option CMD-B4 ａnd CMD–B43Timing Advance measurementSACCH measurement （eg RxLev, RxQual, power level）Echo testCall clearing by mobile phoneCall clearing by CMDDC current/voltage measurementsPhase ａnd frequency error measurement （option CMD-B4）Measurement of power ramping as a function of time （option CMD-B4）Bit-error rate （BER） ａnd Fast BER measurement （option CMD-B4）OperationOperation of the CMDis extremely user-friendly ａnd requires no detailed GSM/PCN knowledge. The high-contrast, backlit LCD provided with softkeys on both sides allows convenient callup of test routines under menu control. Various network-specific parameters are preset ａnd permit direct testing without any operator control. In addition, it is of course possible to modify all parameters individually in the configuration menus.AutotestThe autotest function enables complete measurement routines to be started at a keystroke without any further intervention by the operator being required. The test results in tabular form are displayed on the screen.Remote controlThe CMD is remote-controlled via the RS-232 or IEEE/IEC-bus interface using SCPI-compatible commands. In the remote-control mode the CMD is designed for fast speed to yield high throughputs in production.Echo testThe echo test allows very rapid go/nogo analysis covering all essential parts of the mobile. Words spoken into the microphone of the mobile are sent to the CMD, stored in buffer memory ａnd sent back to the phone. In this way it is possible to check the whole signal path from the microphone via the RF transmitter section, RF receiver section, modulator, demodulator, signalling section, speech coder/decoder, analog audio components through to the loudspeaker.Testing handheldsIn addition to the normal RF input/output, the CMD has a high-sensitivity input ａnd a high-level output which enable tests on modules or on handhelds with built-in antenna by using couplers like the CMD-Z10.Module testingFault localization in mobile telephones requires various measurement functions that can also be used without signalling so that defective units can be tested down to modular level. The basic model of CMD already provides some of these functions, eg signal generation with or without modulation or power measurements, other functions being available as optional extensions.
CMD55手機綜合測試儀CMD55
售/租/回收二手CMD55 綜合測試儀CMD55產品特點：·是測量GSM及GSM1800移動電話的緊縮式單元·通過RS232，IEC/IEEE遠控·前面板有多功能連接器·話音編碼器/解器可被集成·可選擇安培表和伏特表·高敏感度二級RF輸入·可改進為GSM、GSM1800及GSM1900測試
本公司有大量二手儀器現貨，並長期回收頻譜分析儀,音頻分析儀,網路分析儀,信號源等等二手高檔儀器（HP 惠普,AGILENT 安捷倫維修承接點!）歡迎來電諮詢！上門看貨!價格好商量!您的滿意是我們的追求！
CMD55手機綜合測試儀CMD55
新到貨CMD55/ CMD57手機綜合測試儀CMD55/ CMD57回收手機測試儀
產品名稱： CMS55 綜合測試儀
品 牌： R&S 產品型號： CMS55產品指標： 頻率范圍:2 至 500MHz（0.4 至 1000MHz） 特點輕便型的多功能測試儀器體積小，重量輕。不僅適用于生產線使用，也適用于野外現場測試。采用高對比度的加亮型大屏幕液晶，可同時顯示設定參數和測量結果？蓪Ω鞣N電臺進行收、發信機測試多種附加測試功能包括：頻譜監視、示波器、連續可調諧失真表和音頻濾波器GSM無線電通信測試儀 CMD55 3/ 2GHz 本公司長期低價銷售!現金回收：租賃：二手進口高擋儀器，網絡分析儀，頻譜分析儀，音頻分析儀，信號源，電橋，電源，同時接收二手高擋儀器維修！
備注：本公司長期出售/現金收購/回收：網絡分析儀、無線綜合測試儀、頻譜分析儀、視頻音頻分析儀、藍牙測試儀、視頻圖象信號源、LCR測試儀、高低頻信號源、示波器、萬用表、手機程控電源、直流電源、電子負載、頻率計、GPIB卡,PCI-GPIB卡、GPIB-USB-B等二手儀器出售/維修/收購。歡迎來電咨詢！
手機測試儀CMD55
東莞市塘廈佳華電子有限公司 聯系人: 冉（先生） 經理 聯系手機： 、 電話：0769- 服務QQ： 郵箱：ranlc.com
新到貨CMD55/ CMD57手機綜合測試儀CMD55/ CMD57回收手機測試儀
CMD55手機測試儀CMD55
手機測試儀CMD55
東莞市塘廈佳華電子有限公司
聯系人: 冉（先生） 經理
聯系手機： 、
電話：0769-
服務QQ：
郵箱：ranlc.com
CMD55綜合測試儀CMD55
CMD55是測試的此外有能力的GSM1800（從前名字PCNorDCS1800）和GSM1900（從前名字PCS或DCS1900）流動的電話.兩者模型是順利地定價和聯合小的維有高度測量法精確和迅速. 能力的考試者山脈包括全部的信號,發電機和測量法功能必需的為了檢驗的正確的操作DUT（裝置在測試之下）.感謝到它的緊的去/nogo測試和精確的分析用可選擇的延長,CMD52和CMD55是相等地好適合的為了R&D,產品和高度-末端服務和產品. 立基于在寬的-山脈的訣竅Rohde&Schwarz在數字的radiocommunication測試,哪個不最小的是獲得在發展中的類型-贊成測試系統例如GSM900和GSM1800系統模擬器,兩者CMD模型是頂部-等級考試者為了贈品和未來測量法應用.
1. 是測量GSM及GSM1800移動電話的緊縮式單元* 通過RS232，IEC/IEEE遠控* 前面板有多功能連接器* 話音編碼器/解碼器可被集成* 可選擇安培表和伏特表* 高敏感度二級RF輸本公司長期現金收購:音頻儀器,視頻儀器,高頻儀器（如網絡分析儀,頻譜分析儀高頻信號源,無線電綜合測試儀等高頻儀器,并高頻承接儀器維修）!
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