Here are  the meeting room sizes
Total width = 9.00

Total length: 10.80 (3.50+7.30)

Ceiling height : 2.87

Screen: width: 2.9

 Length from 50 cm from ceiling to floor

Distance from first junction box to screen: 5.30

 Distance from second junction box  to screen: 7.30

Actually available: 1 microphone fixe + 1 microphone wireless