单项选择题
How many transmitters (TXs) can be configured to an omni antenna using a CDU-C+?（）
A.1 B.2 C.4 D.6 E.8
单项选择题 Where is the TX reference point? （）
单项选择题 Antenna gain is obtained by...? （）
单项选择题 Which of the following is an Ericsson scheme to gradually tighten the reuse distance in a network? （）
