Netgear LB2120 4G LTE Modem

The NETGEAR LTE Modem LB2120 gives you a simple, fail-safe connectivity solution for your devices or services, avoiding disruptions in broadband when your fixed wire line goes down.

Simply connect your existing wire line broadband connection to this modem to provide an automatic 4G LTE or 3G broadband backup connection. This NETGEAR 4G LTE Modem has 2x Ethernet ports—one for WAN and one for LAN. It is also compact, convenient, and simple to setup.

Several models exist covering different 3G and 4G bands. Specifications below are for the Australian model.

  • LB2120-100AUS - Australia
  • LB2120-100UKS - United Kingdom
  • LB2120-100PES - Europe
  • LB2120-100NAS - North America

Recommended Use

This 4G modem is suitable for residential and light commercial applications only.


4G Specification

LTE Chipset
LTE DL Category
Cat 4
LTE DL Data Rate
150.80 Mb/s
LTE DL Modulation
Carrier AggregationNot Supported
4G BandsSee Compatibility Checker
LTE UL Category
Cat 5
LTE UL Data Rate
75.40 Mb/s
LTE UL Modulation

Chassis Specification

Operating Temperature0 to 35 °C
Power Supply
12 Vdc, 1 A
Ingress Protection
119 x 99 x 30.5 mm (L x W x H)
181 g
PoE Support
Data Connections Data Rate Notes
1x RJ45 Copper
1x RJ45 Copper
RF Connections Notes
2x Female
Connections for 2x2 MIMO 4G antenna

Documentation & Resources

About the Supplier

NETGEAR is a global networking company that delivers innovative products to consumers, businesses and service providers. The Company's products are built on a variety of proven technologies such as wireless (WiFi and LTE), Ethernet and powerline, with a focus on reliability and ease-of-use. The product line consists of wired and wireless devices that enable networking, broadband access and network connectivity.