If you’re not receiving the network you expect to extend, it could be out of range or obstructed. Try repositioning the receiving antenna or move it to another location.
Obstructions such as walls, trees, leaves, bushes, appliances, etc. can interfere with receiving a network. Basically, anything that is in the way of line of sight between where you want to receive the signal. This also includes where the original router is located.
An example would be if my house router WiFi signal is located in my basement and I’m trying to get the signal in my garage 500’ away. This isn’t going to work or if it does, it’s going to be of very low-grade quality. For this kind of scenario, you may need a WiFi bridge system with antennas at both locations or some other solution; please call C. Crane for help determining the best solution.