If both 2.4GHz and 5GHz are available at your home Wi-Fi, please refer to the suggestions below:

If pixsee is placed in a smaller area where the router is relatively close with your camera with no walls in between, then 5 GHz Wi-Fi would be a good choice. However, if you are expriencing an intermittent or unstable connection to pixsee, then switching to 2.4 GHz Wi-Fi is recommended instead.
If pixsee is placed in a larger area where the router is relatively further away with physical objects or walls in between, and pixsee might need to move around for stronger signals, then 2.4 GHz Wi-Fi would provide a better connection..
Note: When resetting Wi-Fi, please make sure pixsee and mobile device are connected to the same Wi-Fi.