Teltonika routers are compact routers for experts. These routers are mainly suitable for business or industrial use. For example, there are Teltonika routers that are made to offer WiFi in a boat. You can use other models in a bus or taxi to offer WiFi to passengers. The Internet of Things routers are suitable for industrial use. You can connect sensors of whole machines to these compact IoT routers. Teltonika routers work on 4G or via an Ethernet connection.