Similar jobs are paying 10k-20k per month.
I have about 50 ptp backhaul links with RB532's and RB333's all with SR5 cards. The upgrades from 2.9 to 3.x have all been flawless with no changes in signal levels at all.
enrique haven't asked about wireless clients I think, and BTW 100 clients for 1 AP is too much also.100 clients per radio. 3 radios then ~300 users per AP.