I had a sufficiently strong signal from my router to each camera, but results will vary depending on the layout of your home. If you do see streaming issues, such as resolution deterioration or loss of signal, you might need to install the camera closer to your router or use a Wi-Fi range extender, such as the Ring Chime Pro Wi-Fi range extender ($49 at Amazon). Like its cameras, Ring’s range extender is an 802.11n device that operates on the 2.4GHz frequency band only.
UPDATE 16FEB2018: After two weeks, I must downgrade my review... it's become obvious that the Ring Floodlight Cam only detects motion during the day. At night, I can walk through the center of my defined motion zone, but the cam won't record until I'm within 10 feet of it. The defined zone is my driveway which is about 40 feet long and we have 3 cars. As long as the ne'er-do-wells only break into the car parked closest to the Ring cam, they will be recorded. A quick Google search for "ring cam won't detect motion at night" will yield many stories of the Ring product line failing to work in darkness. Apparently, the problem has been documented since September 2017 and Ring has failed to fix it. I must say that I'm beyond disappointed. At least I discovered this in enough time to send the cam back to Amazon for a refund.