I'm renting an in-law unit behind a house and the WiFi is included, but it drops constantly. The modem/router is in the main house and there's almost never anyone home, so I can't have it reset. I'm on the same coax connection as the house and know that I can't add a second modem, so I'm wondering, how can I use the coax ports in my unit to provide my own network that I can control/reset as needed?