User Manual
NETGEAR 4G LTE Modem
LM1200
NETGEAR, Inc.
350 E. Plumeria DriveApril 2021
San Jose, CA 95134, USA202-12163-01
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User Manual
For LBR20-100NAS.
Summary of Contents for Netgear LBR20-100NAS:
- Contents3
- 1. Introduction and Hardware Overview6
- 2. Get Started14
- 3. Manage the Mobile Broadband Connection19
- 4. Secure Your Network28
- Change the Modem Password29
- Manage Port Forwarding for Incoming Traffic29
- Manage Port Filtering for Outgoing Traffic33
- Block Specific Services and Applications From Accessing the Internet and Allow All Other Services and Applications33
- Allow Specific Services and Applications to Access the Internet and Block All Other Services and Applications35
- View Services and Applications on the Blacklist and Remove a Service or Application From the List36
- View Services and Applications on the Whitelist and Remove a Service or Application From the List38
- Disable Port Filtering39
- Manage SIM Card Security40
- 5. Manage the Modem and Monitor Usage and the Network48
- Upgrade the Firmware of the Modem49
- Back Up and Restore the Modem Settings50
- Return the Modem to Its Factory Default Settings52
- View Monthly Data Usage53
- Set a Plan Limit for the Data Counter54
- Change the Billing Cycle Counter or Reset the Data Counter55
- View Service Provider, Type of Service, and Signal Strength56
- View Account Details and Other Details About Your Modem58
- View Information About the Mobile Broadband Connection59
- Set Up SMS Alert Messages60
- Set the Data Limit for SMS Alert Messages62
- View Alerts63
- Turn Off the LEDs64
- 6. Frequently Asked Questions66
- What do I do when I canât connect a device to the modem?67
- What do I do when I canât access the Internet?67
- What do I do when the No Signal icon displays?67
- Why is the download or upload speed slow?68
- Can I connect multiple LAN devices to the modem?68
- How do I access the modemâs web pages?68
- What do I do if I forget my admin login password?68
- How do I disconnect from the mobile broadband network?69
- How do I find my computerâs IP address?69
- How do I find a deviceâs MAC address?71
- How do I find my mobile phone number?73
- Where can I find more information?73
- 7. Alerts and Troubleshooting74
- A. Default Settings and Specifications83
- B. Wall-Mount the Modem86
