Indoor Unit (IDU) in split microwave consist of 2 different unit which are Indoor service board unit and Indoor IF signal processing unit.
- A . True
- B . False
In general, optical fiber transmission delivers lower capacity than microwave transmission.
- A . True
- B . False
Which of the following frequency bands are commonly used for digital microwave transmission?
- A . 2GHz
- B . 18GHz
- C . 15GHz
- D . 11GHz
- E . 7GHz
Which of the following is not an advantage of microwave communication over optical fiber communication?
- A . Low investment
- B . Powerful penetration ability
- C . Short construction period
- D . Low impact of environmental factors such as weather
What are the basic components included in a microwave product?
- A . ODU
- B . IDU
- C . Antenna
- D . IF cable
- E . Surge protector
A 0.6 m antenna is heavier than a 0.3 m antenna.
- A . True
- B . False
The radiated power of an antenna is basically distributed to the side lobe.
- A . True
- B . False
Which of the following statement about microwave antennas is correct?
- A . By polarization direction, antennas are classified as single-polarized antennas and dual-polarized antennas.
- B . For a directly mounted antenna, an ODU can be directly mounted to the hybrid coupler.
- C . A dual-polarized antenna cannot transmit and receive vertically polarized electromagnetic waves and horizontally polarized electromagnetic waves at the same time.
Which of the antenna diameter are supported in the E-band microwave?
- A . 0.3m
- B . 0.2m
- C . 0.6m
- D . 2.4m
When you install an ODU or a hybrid coupler on a pole, an ODU adapter is used to convert the feeder interface on the ODU or hybrid coupler into a standard flange interface, for the connection of a flexible waveguide.
- A . True
- B . False