2N 4G wireless router 2N SpeedRoute - User manual, 1898 v1.02 - Manual (Page 8)

Product Description 1.1
8
The voltage value mentioned on the adapter may not be exceeded. If you
connect 2N ® SpeedRoute to another power supply, make sure that the voltage
value is in the acceptable range.
When your 2N ® SpeedRoute comes to the end of its operational life, dispose
of it in accordance with applicable regulations.