John was amazing. He came to my home when arranged. Computation Ltd works with big companies as well as homes also. They are the real deal. He installed and programmed my Deco wifi extender that I bought on Amazon. Did everything quickly, no fumbling about or hesitation. John quickly figured out my Amazon power source that I had ordered was faulty and had a better one in his truck. He then went on to program my Deco extender. Now I have amazing speed from my Bell modem, to all parts of the house. I would call this company again if need be, without hesitation. read more