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單項(xiàng)選擇題

Why are base stations sometimes cascade connected? （）

A. To save antennas
B. To share PCM links
C. To share RBS equipment
D. To simplify the installation
E. To be able to reuse frequencies

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單項(xiàng)選擇題

Which of the following is the nominal output power for a GSM 900, class 4, or GSM 1800/GSM 1900, class 1, mobile station? （）

A.20W
B.2W
C.5W
D.8W
E.0.2W

單項(xiàng)選擇題

What is the advantage of using DTX for an MS? （）

A. Increases battery life
B. Better Bit Error Rate (BQRE)
C. Higher strength
D. Increased bit rate
E. Better voice quality

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