• Ensure that the pad for the antenna is reliably installed. Otherwise, the protection rating of the
device will be affected.
• Check that the antenna is securely connected.
The 4G antenna and WLAN antenna are installed in the same way. This document uses the 4G
antenna as an example.
5
Closing the Maintenance Compartment Door
• Before closing the maintenance compartment door, check that cables are connected correctly
and securely. Then, take appropriate measures to ensure that the conduit and fitting of the
threading tube are secured, seal the cable holes, and clear foreign matter from the
maintenance compartment.
• If the screws on the enclosure door are lost, obtain the spare screws from the fitting bag.
6
Installing the Antenna
10