UTP = Unshielded twisted pair.
STP = Shielded twisted pair. Better quality, but may be overkill for some networks.
CAT 5 : 100M or 330ft range over ethernet. Up to 100Mbps at these distances.
CAT 5e: Better quality than CAT 5, it should be good for up to 1000Mbps in certain conditions.
CAT 6: Don't think this has been accepted by the standard makers yet, but is good for 1000Mbps.
<b><font color=blue>~ <A HREF="http://forums.btvillarin.com/index.php?act=ST&f=41&t=324&s=58e94ba84a16bedfebbf0f416d5bac48" target="_new">Nice sig 81.</A> ~<font color=blue></b> :wink: