Basic Qualification · B-006 Feedlines and antenna systems · B-006-003-006
Which popular RF connector is designed to be moisture resistant?
- A N
- B UHF
- C BNC
- D SMA
Correct answer: A — N. From the official ISED question bank, verified word for word.
Why
The N connector is built with a threaded coupling and a rubber gasket that seals tightly against water and humidity, making it the standard choice for outdoor antenna installations where weather protection matters. The full explanation — and one for every question — is in Pro.
Practise this section
Getting the signal out: antennas, feedlines, SWR, baluns, matching, and why antenna length depends on frequency.