Basic Qualification · B-006 Feedlines and antenna systems · B-006-003-006
Quel connecteur RF populaire est conçu pour résister à l'humidité?
- ALe connecteur UHF
- BLe connecteur BNC
- CLe connecteur SMA
- DLe connecteur N
Correct answer: D — Le connecteur N. Question tirée de la banque officielle d'ISDE.
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
Feedlines and antenna systems is section B-006 of the Basic exam: Getting the signal out: antennas, feedlines, SWR, baluns, matching, and why antenna length depends on frequency.
Drill B-006 — free, no account