Small Business: Need range / consistency / DHCP reservation

[dano_wpg]

I am at a small business (not for profit), and all of our devices are wireless N.
We find that regularly, devices stop being connected to the network.
On our previous router, we found that we would frequently get IP conflicts.
Our office space is long, so range is definitely an issue (60-70ft).
We have 7 staff, each with about 3 devices.
There is also a multi-function printer, our answering service, and a NAS connected by LAN.
We are mostly just using the internet for standard purposes
We use Google Drive as our main storage of work files, which are mainly office files (Word, Excel, some PowerPoint).

Right now we have consumer-grade products: Cisco E1200 and RE1000 at one end.

The main things I am looking for are:
- reliability. I don't want the connection to the devices to stop frequently (2-3 times a week).
- I believe DHCP reservation is a must. IP conflicts stopped once I set it up.
- InSSIDer shows about 30 2.4 gHz networks in the area fairly distributed among the channels and ZERO 5 gHz networks (would dual-band and using the 5gHz possibly resolve the issue?)
- A router that would work well with some addition to increase range

Any help would be of great assistance, thanks!

[remixedcat]

Hi, I would recommend the Amped Wireless R20000G.

I have one and the range is awesome. I can easily stream videos at 175 ft away and even attend a gotomeeting session at 370ft away.

You can have "static DHCP" to reserve an IP address and set IPs manually without physically doing so at each client.

The R20000G is dual band as well.

The range is allready fantastic, however if you want massively upgraded coverage the SR20000G is nice as well and I have done a review here:
http://remixedcat.blogspot.com/2012/...-wireless.html