单项选择题
What is used to prevent ‘ping-pong effects’, that is, rapid, successive handovers? （）
A. Discontinuous Transmission B. Hysteresis C. Dynamic Power Control D. Frequency Hopping E. Cell Load Sharing
单项选择题 What is the ERP (Effective Radiated Power), if the output power from the radio is 43 dBm, the cable losses 3 dB, and the antenna gain 14 dBd? （）
单项选择题 What is the point of using a combiner? （）
单项选择题 Which of the following is not necessary to consider when surveying a potential site? （）
