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無源互調

Passive Intermodulation
目前的PIM測試標準提供了兩個主要運營商廣為人知的一個系統和一個計算計算頻率 - 通過頻譜分析儀進行監測.提供了對天線系統和周圍環境整體線性的測量.
Model Number
頻率
Output Level
PIM Master™ MW82119B
MW82119B
PIM Master™
600 MHz
700 MHz
800 MHz
850 MHz
900 MHz
1800 MHz
1900/2100 MHz
2100 MHz
2600 MHz
+20 dBm — +46 dBm, adjustable
MT2780A IQ Fiber Master
MT2780A
IQ Fiber Master
Universal (works on all frequency bands) Measurement derived from CPRI IQ data
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