What does a WiFi analyzer do?

Related questions

1. Is there an app to test WiFi signal strength?
2. Does a WiFi booster increase speed?
3. Which is the best channel for WiFi?
4. What is a strong wifi signal in dBm?
5. How much is a booster for WiFi?
6. Is a good wifi signal?
7. What is best WIFI booster?
8. Do WiFi extenders really work?
9. How fast should my WiFi be?
10. What is the best WiFi Analyzer for Android?

Tags

1. #identify
2. #signal
3. #increase
4. #strength
5. #placement
6. #ideal
7. #location
8. #application
9. #analysis
10. #netspot
11. #enable
12. #anywhere
13. #speed
14. #router
15. #optimal
16. #coverage