wireless access points

I need help designing a network. ISP 1 (Fiber) to ISP Router - A wireless network and LAN network to be created Off the ISP1 router a VPN router is connected and on the back of that a second VPN router. I need: 1. ISP1 - wireless & LAN network 2. VPN - wireless & LAN network 3 VPN - wireless &...

We are looking to set up our new office space consisting of 2 floors each of 1800 sq.ft. What kind of wireless access point should I be looking into?. The number of devices would be in the 200-300 range.