I have to disagree. I have seen data issues when going above the 100m standard where there have been communication issues. That's why there is the standard. To Say that he "should be ok" could only lead to trouble why trying to trouble shoot packet loss and poor connectivity
I just did both low voltage in front and solar in the back. I have to say the hampton bay solar ones that I bought look really good. They are a whiter light vs the 12v. The 12v are warmer looking and do look better overall. But considering the wiring run and ll the other stuff I would say try a...
If you are going to exceed the 328 ft ( which is optimal) You can certainly run into data issues as you reach that point-then you may want to look at running Ethernet over coax and use some adapters. It is not cheap but you can get like 1000 ft+
Look at some of the products here...
Those are cool. I looked around for a while for those. They were too pricey with the ones i found
I ended up with these. I painted them green to match my roof
http://www.amazon.com/dp/B003TQLO4I/?tag=atomicindus08-20
I really like the glass domes around the bulb
The wife and I just installed low voltage light in the front yard. Used one of those malibu kits box store. They do seem kind of cheap. We will see how long the plastics last