What's wrong with my router?

I've disable dhcp servers and enabled Mac filters. I have the Mac addresses of all my devices but it's not allowing the third phone (a droid, other two are iphones) or the laptop to connect. Double checked the Mac addresses and all that, everything's right. Why won't these two devices connect? Is there a limit on amount of wireless devices that can connect?

If you disable dhcp you will need each device to have a static ip address that is in the same domain as the router.
If you did not give each device a static ip, you'll need to assign them addresses, or just re-enable dhcp.

The mac filtering will work fine with dhcp enabled. You should also have wpa on with a passphrase for security because it is easy to get into a network with just mac filtering. Mac filtering is a nice second layer of security, but WPA should always be used as well.

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