(Q)Element 3-99 Radiation Exposure

Question 1

Compliance with MPE, or Maximum Permissible Exposure to RF levels (as defined in FCC Part 1, OET Bulletin 65) for “controlled” environments, are averaged over _______ minutes, while “uncontrolled” RF environments are averaged over ______ minutes

Answer 1

6, 30

Question 2

Sites having multiple transmitting antennas must include antennas with more than _______% of the maximum permissible power density exposure limit when evaluating RF site exposure.

Answer 2

5 percent

Question 3

RF exposure from portable radio transceivers may be harmful to the eyes because:

Answer 3

RF heating may cause cataracts.

Question 4

At what aggregate power level is an MPE (Maximum Permissible Exposure) study required?

Answer 4

1000 Watts ERP.

Question 5

Why must you never look directly into a fiber optic cable?

Answer 5

An active fiber signal may burn the retina and infra-red light cannot be seen.

Question 6

If the MPE (Maximum Permissible Exposure) power is present, how often must the personnel accessing the affected area be trained and certified?

Answer 6

yearly