单项选择题
What does locating mean? （）
A. Paging of a mobile in more than one cell B. Best cell selection C. Changing of cell parameters D. Roaming E. Tuning
单项选择题 Why are base stations sometimes cascade connected? （）
单项选择题 Which of the following is the nominal output power for a GSM 900, class 4, or GSM 1800/GSM 1900, class 1, mobile station? （）
单项选择题 What is the advantage of using DTX for an MS? （）
