Those are two options, indoor R310s placed on the ceiling on each level, or T301 on the positions like you suggested. The question is: can R310 be used in indoor enviroment where temperature might go down to -5 centigrade ?
Should't I use outdor sector with 120/30 beam width ?
I'm considering a passive site survey with several temporary mounted R510. What software do you recommend ?
Here is the top and front view: