Which of the antenna diameter are supported in the E-band microwave?
Which of the antenna diameter are supported in the E-band microwave?A . 0.3mB . 0.2mC . 0.6mD . 2.4mView AnswerAnswer: B
Which of the antenna diameter are supported in the E-band microwave?A . 0.3mB . 0.2mC . 0.6mD . 2.4mView AnswerAnswer: B
The radiated power of an antenna is basically distributed to the side lobe.A . TrueB . FalseView AnswerAnswer: A
What is the height of RTN 950 IDU? (lU=44.45mm)A . 1UB . 2UC . 4UD . 3UView AnswerAnswer: C
Which of the following is not an advantage of microwave communication over optical fiber communication?A . Low investmentB . Powerful penetration abilityC . Short construction periodD . Low impact of environmental factors such as...
There is no need to check the vehicle conditions every time before driving the vehicle.A . TrueB . FalseView AnswerAnswer: B
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...
Only qualified first aiders can rescue the wounded, avoiding further injuries.A . TrueB . FalseView AnswerAnswer: A
Site environmental risks need to be assessed by all personnel on the day of visiting the site, or be assessed on the next day.A . TrueB . FalseView AnswerAnswer: A
Which of the following is correct In operations on powered-on equipment and circuits?A . Operations on powered-on equipment and circuits can be performed only by qualified personnel.B . Anyone who wears insulation clothing can...
Which of the following must be prepared for first-aid?A . Home addressB . Emergency telephone number, and emergency rescue address and mapC . Office addressView AnswerAnswer: B