I have a home office at the bottom of the garden, which is about 20/25 meters from the house. Last summer, I ran a CAT6 external grade cable (https://amzn.eu/d/hjuqJQr), through trunking (https://amzn.eu/d/6O55Yjf) down the garden, and into the office. It's mainly laid along the base of a fence...