1.When you use the 4G, we advice use a 4G router include RJ45 port.
not use the wifi, because every one every thing moving will change the netwrok signle.
2.Use manual IP address 192.168.1.168 to connect the FBE200. NO DHCP.
3.Be care of the bitrate not go over your upload speed of 4G.
4.The netwrok not good ,the RTMP need 2-3 minutes to recover.
have a good day.