Option 1 is to operate on the web interface.
1. Log in to the router admin on a web browser.
For example, the default router IP of the EZR33 is 192.168.30.1.
The router IP of the EZR23 router is 192.168.20.1.
2. After logging into the router backend, you can find the IMEI number in the DEVICE information column on the left.
Option 2 is to operate on the router device. (Only for the EZR33 outdoor router)
You can open the router case and find out the IMEI number on the mobile modem.