單項選擇題Where is the TX reference point? （）

A. Where the jumper cable is connected to the output of the TX.
B. Where the jumper cable is connected to the RBS.
C. Where the jumper cable is connected to the output of the combiner.
D. Where the jumper cable is connected to the antenna.
E. Immediately outside the antenna.


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題Antenna gain is obtained by...? （）

A. A power amplifier in the antenna system
B. Concentration of radiation
C. Highly effective antenna cables
D. Good SWR (Standing Wave Ratio)
E. A spherical radiation pattern

2.單項選擇題Which of the following is an Ericsson scheme to gradually tighten the reuse distance in a network? （）

A. Ericsson Engineering Tool (EET)
B. Multiple Reuse Pattern (MRP)
C. Operation and Support System (OSS)
D. Frequency Reuse Plan (FRP)
E. Basic Reuse Plan (BRP)

3.單項選擇題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

4.單項選擇題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