TeleWell, Network Router, models:

Firewall VPN DSL/Cable Router with 4-Port Switch TELEWELL TW-640	Quick Start Manual
TW-EA400	User Manual
TW-EA510 v2	User Manual
TW-EA510v3 (c) 3G	Quick Start Manual
TW-EA510v3(c) 3G/4G	User Manual
TW-EA510v4	User Manual
TW-EA515	User Manual
TW-EA701-715	User Manual
TW-EA800	User Manual
TW-EF600	User Manual
TW-LTE/4G Wlan	User Manual
TW-WLAN	User Manual