Ericsson G36 - Manual (Page 9)

Fixed Wireless Terminal: G32 & G36 9
Installation
SIM Card
Your network operator provides you with a SIM (Subscriber Identity
Module) card. The SIM card contains information about your telephone
number and the services included in your subscription.
Preparing Your FWT
You need to follow these steps before you install the FWT on the wall
and finalize all connections.
Warning: The FWT should be switched off before inserting or
removing your SIM card or connecting any devices to the FWT.
Assembly
1. Connect the antenna.