What you described sounds like a WiFi connection problem. Which band are you using? The 5GHz band has higher peak throughput but it doesn’t have as much range as the 2.4GHz band. So you may want to switch to the 2.4GHz band if you are connecting from longer distance. Also, you might want to check the channel used for WiFi, sometimes that has a big impact on performance. Please checkout our blog entry: http://www.pcwrt.com/2017/10/how-to-avoid-bad-wifi-connection-by-changing-the-channel-on-your-router/. Also, sometimes disconnecting and reconnecting the WiFi helps resolve the problem.