Go 300 ft. With Internet to outside office

Solution
Ethernet cable is the best option if you can do it. Otherwise look at outdoor point to point bridge equipment form someone like unbiquiti or engenius. You must have clear line of sight nothing inbetween for it to work well.
ya that's the best costs more grab a spool at home depot and some ends and let her rip

may help some ?
''Step 2: Required Tools and Materials ''

http://www.instructables.com/id/How-to-Wire-Your-House-With-Cat-5-or-6-For-Ether/step2/Required-Tools-and-Materials-and-costs/