The first and highest ranking staff unit was Stab/Flak Regiment 152, established 4/6-41. Replaced by 14. Flak Brigade until october 44. After the disbanding of Luftflotte 5, the Luftwaffe units were re-organized, and 14. Flak Brigade was merged with 13. Flak Brigade, and renamed 29.Flak Division. This lasted to the end of the War.
On the 15 nov 44, 14. Flak Brigade was organized in:

- Flakgruppe Ostnorwegen with Stab/Flakreg 162 (Oslo-Holtet)
- Flakgruppe Westnorwegen with Stab/Flakregiment 92 (Stavanger/Madla)
- Marine-Flakgruppenkommando Bergen
- Flakgruppe Mittelnorwegen with Stab/Flakreg 152 (Trondeim-Vaernes)
- Flakgruppe Lofoten-Maalselv with Stab/Flakreg 83 (Maalselv)
- Marine-Flakgruppenkommando Harstad

There was also a school for FLAK soldiers, established 25/4-41 at Smestad, Oslo. Later on it moved to Arendal, and finally to Terningmoen.
There were two maintainance units for guns & equipment, at Skar and Narvik.
*

A member of a flak crew in Norway is watching the horizon for enemy planes.
Official photo
*

20 mm Flak 38 and 30 (also used in quadruple mount)
88 mm Flak 36/37
37 mm Flak 36, 37 and 43 
105 mm Flak 38 and 39

The Germans also used some captured weapons, (”Beutewaffen”), mostly french or russian.

At the end of the war, this was the FLAK situation:
 

The Norwegian Army got most of this equipment after the war.

Radar Sites

The Germans used the following equipment: Freya, Würtzburg, Mammut, Wassermann, and Jagdschloss.
Some radars were designed for early warning, and some to control the heavy artillery.
There were 25 radar sites, stationed along the whole country. This will be more deailed in the article
on Coastal Defence.