Last Updated: July 16, 2019 (Refresh Now)
NETGEAR 4G LTE Modem with Two Gigabit Ethernet Ports Instant Broadband Connection Works with AT T and Alternate Carriers LB2120
Last Updated: July 16, 2019 (Refresh Now)
8.0
SCORE
/10
Total Reviews
478
Old Reviews
50
Unverified
31
Spam Test
PASS
Yes
3G
Yes
GSM
Review Analysis - 397 recent, verified reviews
Detailed Mode
Network
111router, bars, wifi, mbps, signal strength
+84%
-16%
" ... We get good speeds in the 50mb range. ... "
" ... An the stay connected all time dont lost let signal like the hotspot. ... "
" ... Had to reset it once, but then it came on with a fantastic signal! ... Connect to a wireless router or wired router and problem solved. ... "
" ... I needed Internet for a house out in the country. ... Strange thing is that I get a better signal out in the country but only a decent signal for a client at an airport. ... "
" ... That being said, it works great at his location with the complimentary Netgear 6000450 antenna, I'm getting two bars, sometimes three. ... "
" ... This product works wonderful I'm using a router asur. ... "
" ... Set up on our home WiFi network with an unlimited data plan for seamless failover coverage. ... "
" ... Works well, was able to use an external antenna to get a strong connection to cell tower and obtain reasonable speeds. ... "
ISP
110netgear, verizon, lte, dsl, router
+74%
-26%
" ... The Device IS compatible with verizon network based on technical data bands etc. ... "
" ... It's a cell modem. ... It takes the place of a cable modem. ... You will also need a router. ... "
" ... The LTE connection was simple. ... The Failover from broadband to LTE is so fast and automatic. ... "
" ... Five Stars for the Modem. ... Worked like a Champ on the LTE network as a Cellular Modem as designed, till T-Mo put the calabash on it. ... "
" ... I then connected the Netgear modem to my ASUS router. ... With play in the confguration on both the modem and router, all worked as advertised. ... "
" ... Got this to get a temporary internet connection set up and it works great. ... "
" ... We have DTV, so have the unlimited plan. ... I purchased this modem to cable directly to the router i used previously for the cable internet and within 5 minutes, I was online. ... First test on speedtest got 30Mbps. ... Never had to get into the setup of the modem. ... "
" ... I love this modem its better then the hotspot i bought from cspire and works great . ... "
Device Compatibility
73data, hotspot, verizon, unlimited, cellular
+73%
-27%
" ... Data is data. ... "
" ... So far it seems to be working with T-Mobile. ... I only use it for my phones right now but it is working great. ... If you are using a mobile phone plan exclusively as a hotspot they might have issues even if you're staying under the 10GB hotspot limit if more than half your data is coming from hotspot use (or whatever limit your particular plan may have) ... "
" ... Good hotspot alternative for home-use. ... Faster than all the other mobile hotspot devices we owned. ... "
" ... It works well on Verizon networks and, because I use Xfinity Mobile, I simply had to configure it with their APN info. ... "
" ... You can use an old phone, tablet or jetpack. ... "
" ... It will also work with T-Mobile. ... The connection is solid. ... Now, I need to find an affordable (lots of) data plan (T-Mobile or AT&T). ... "
" ... I didn’t have any problems walking into a T-mobile store and adding it as an additional device on my account. ... "
" ... If you have T-Mobile, use it with a tablet line $25 then add the unlimited tethering for $25 and you have truly unlimited. ... "
SIM
73sim, verizon, mobile, att, unlimited
+81%
-19%
" ... Took a sim card from a non-hotspotted cricket phone and put in the LTE modem and wallah, we now have internet. ... "
" ... I'd also like to see a dual SIM version with a failover feature. ... "
" ... Just popped in an extra AT&T Mobile Share SIM and getting 30 Mbps down with it. ... "
" ... I activated a SIM card at the Verizon store and was able to successfully use it with this box for internet access. ... "
" ... If you have a sim card with unlimited data, you should be able to put it in this router and use the router as a phone . ... Put my SIM card in and it found my carrier network right way and connected . ... "
" ... I bought it, purchased the sim card from T-Mobile, it connected right away and is working fine. ... "
" ... I just popped in the sim and was good to go. ... "
" ... Installed my att sim no problem. ... "
Data reception
64hotspot, modem, 4g lte, 4g, unlimited
+72%
-28%
" ... The LTE connection was simple. ... The Failover from broadband to LTE is so fast and automatic. ... "
" ... Am in the market for another LTE modem, but will shop around more for one that has a more reliable external antenna connection ... "
" ... Check that you have 4g LTE coverage where your existing internet modem is (ie. ... )- look at the top of your phone -if you have signal bars and it says "4g or LTE" depending on your service provider (AT&T for purposes of this review), you have what it takes to use this modem without specialty equipment such as outdoor antennas etc. ... You need to have an unlimited share plan with AT&T (Other carriers I have not confirmed) We currently have 4 Iphones sharing unlimited. ... test using your existing Sim Card from your current 4g LTE smart phone on the existing unlimited plan. ... Once you have tested with your existing sim card and before your go thru all the hassle with your cell phone provider, Confirm the internet is working before the next step. ... Go to your AT&T store and activate the old 4g LTE smart phone, as an add a phone or add a cellular ipad to your unlimited share plan . ... "
" ... Bought this, added to my unlimited bandwidth account on ATT and I am now getting consistent high performance internet over LTE. ... "
" ... I was able to pay a few dollars more and this card was set up for 4G LTE unlimited service. ... "
" ... I confirmed that I connect to Verizon 4G LTE on band #4. ... 3) Insert your activated SIM card into the Netgear 4G modem and power it on. ... "
" ... Before buying this I tried a couple of cheaper lte wifi routers that do the same thing. ... * Many unlimited plans are actually limited to 22gb a month after which the provider throttles your speed to a crawl, and it is easy to burn through 100gb a month. ... "
" ... Provides T-Mobile LTE data in fringe area via sim card ... Provides steady connection to LTE network ... "
Setup
63router, easy, modem, configuration, netgear
+89%
-11%
" ... Overall I am extremely happy to have this setup. ... "
" ... Works as intended with little configuration. ... "
" ... Not the most full featured (it's not going to replace a Cradlepoint) but it does everything one needs (DHCP, etc) No problems with setup ... "
" ... The setup was quick & easy. ... The LTE connection was simple. ... "
" ... This would be an ideal solution setup and configured with the ASUS RT-AC1900P Wireless Router as a solution drive the Wireless Network Hub for greater coverage. ... "
" ... Excellent product and easy configuration of ADP. ... "
" ... First, it is so easy to install. ... "
" ... Set up takes only a few minutes then it's ready to go . ... "
Ports
62modem, wan port, lan, poe, ethernet cable
+81%
-19%
" ... You will be able to use it as your failover VPN and log in to the management portal of the LAN side if necessary. ... "
" ... Like a wifi hotspot with a wired Ethernet connection instead. ... "
" ... This modem capable of external antennas, so maybe adding one will boost speed performance. ... "
" ... Put it in Bridge mode, hooked it to my 2nd WAN port on my router and use it as a hot spare in case my primary WAN link goes down. ... "
" ... Hooked up the primary Sat modem Cat5 cable to this unit and your wireless router cable to the output. ... "
" ... It also lets you set the rule for determining that the Ethernet connection is down . ... "
" ... Ran it to my router and now I have wireless and Ethernet thru my house. ... "
" ... The PoE on the LB1121 works perfectly on my 802.3at compliant switch. ... "
Wifi
50router, hotspot, wi fi, netgear, wireless router
+82%
-18%
" ... Connect to a wireless router or wired router and problem solved. ... "
" ... In the questions, people are inferring wifi capabilities, it has none. ... "
" ... Once I got it figure out i set it to bridge and paired with a router and it worked great, however it looses connection every now and then and is a pain to log bag into to change the info. ... "
" ... I suspect it has something to do with a router (NETGEAR nighthawk X8) being involved. ... "
" ... With this and my Asus router I was able to set up a auto fallback solution to connect to this when my Internet goes down. ... "
" ... I do like the feature that it’ll put the real IP address on the ethernet, so you can use your own router/Firewall. ... "
" ... I was using this with a Sonciwall Firewall/Router and it's flawless. ... "
" ... I've used this as our primary home internet connection for two months now. ... "
Software Platform
39google, mobile, apn, web interface, verizon
+56%
-44%
" ... I think these are quicker access hacks than being locked into long term contracts with monopolized companies who offer overpriced internet in my area. ... "
" ... I’ll update, but overall I’d recommend this product or i’d maybe suggest waiting for the new nighthawk hotspot to come out. ... "
" ... I have this device being utilized in 4 different corporate environments working on Unlimited Data Plans managing a Server environments. ... "
" ... It Work Great On Verizon Tablet & Jetpack prepaid Plans ... "
" ... Bonus: the web interface has a real time counter that shows the amount of data you are using. ... "
" ... This little cellular device ran my home (4 PCs, 2 apple TVs, and VoiP phone) for almost 3 months . ... "
" ... You can also do some cool stuff with it like send SMS (text) messages from the web interface to any carrier network. ... "
" ... Will update review it something happens. ... "
Ease of Use
37simple, setup, easy to set, works great, user
+95%
-5%
" ... Gret litle device, it's easy to configure. ... "
" ... Easy to set up. ... "
" ... Easy to set up and use. ... "
" ... Much easier, no BS. ... "
" ... Excellent product and easy configuration of ADP. ... "
" ... First, it is so easy to install. ... "
" ... The setup was quick & easy. ... "
" ... For the most part is easily plug and play, but you will need an additional wireless access point to get wireless in your home. ... The configuration is simple and basic and doesn't leave much room for a basic home user to misconfigure. ... "
Product Reliability
35months, working, working great, stopped working, speed
+57%
-43%
" ... I've had this for 4 months already works without a charm. ... "
" ... I've been using it for about a week and it's working pretty well. ... "
" ... I'll give an update later as to reliability. ... "
" ... It fired up no problems. ... "
" ... I only use it for my phones right now but it is working great. ... "
" ... Worked fine at previous location. ... "
" ... It was working pretty good. ... "
" ... The additional device on my plan costs $10/month. ... "
Capacity
19signal, internet, texas, bars, tower
+95%
-5%
" ... I can see the tower from my house and have direct line of site. ... "
" ... I got 2-3 bars . ... "
" ... Ran it to my router and now I have wireless and Ethernet thru my house. ... "
" ... umm no had 500mbps at my old house ... "
" ... I needed Internet for a house out in the country. ... "
" ... Live out in the Texas Hill Country and this is my house internet. ... Gets 2 to 4 bars inside house on wall facing towers 3 miles away. ... "
" ... Installed inside a concrete house and signal is between 2 and 1 bar. ... "
" ... I live about 6.5 miles from the nearest tower and get 2 bars. ... "
Overall performance
19speeds, speed test, sites, mb, hawk
+74%
-26%
" ... Perfect for the person who has very little high speed internet in their area. ... "
" ... Ive got a 20-40mb dl speed on this and work portably really nice when your on the go and outside but not much inside home but i have no problem with that. ... "
" ... Speeds were unpredictable from <1mbps to 15mbps. ... "
" ... Connection seems more stable and on average a 10-15Mbps down speed increase than previous setup (getting right at 35Mbps down total). ... "
" ... I've had rock solid performance out of this unit with zero troubles. ... "
" ... This thing consistently gets way worse speeds than my Samsung Galaxy note 9. ... But nope, the phone in my hand gets way better speeds. ... "
" ... Fast speeds, and its very reliable with AT&T. ... "
" ... You will generalyl have a download speed around 10-12mBp/sec. ... "
Firmware
12upgrade, netgear, available, latest, bug
+42%
-58%
" ... Firmware upgrade has major bug so no upgrading online works. ... "
" ... Like others, my modem will not successfully update to a firmware version that actually works as a modem-only. ... Until they offer a method to upgrade firmware via a local file, do not purchase this. ... "
" ... I've updated the firmware to the latest available, again no luck. ... I have the Linksys router connecting to "no-ip.com" but it does not appear to be updating with the correct IP address. ... "
" ... Firmware update to address the bug still not available as of 10/24/2017. ... "
" ... This product does NOT work in bridge mode correctly in front of a router, there is known bug on the firmware and the network subnet. ... "
" ... There are no firmware updates and Netgear support says ... "
" ... I can only hope they respond to this quickly and issue new firmware but I am not optimistic. ... "
Price
11price, save, box, worth, value
+91%
-9%
" ... Very worth the money. ... "
" ... i really like this for the money ... "
" ... For $99 right now this is a great deal. ... "
" ... Also this device should be half the price as this and the nighthawk were the same price. ... "
" ... However, I do wish it had PoE at this price point. ... "
" ... They want you to buy their box from them for better plans so save your money ... "
" ... I saved a ton of money and got exactly what I needed. ... "
" ... Worked perfectly and solved a problem for me for just over $100 bucks. ... "
Features
11features, power light, mode, turn, orange
+73%
-27%
" ... What's really, really, GREAT is the "Bridge Mode." ... "
" ... Dial the following to enter Field Test Mode: *3001#12345#* ... "
" ... It has basic routing functions e.g. ... "
" ... and has the ability to operate in bridge mode as well. ... "
" ... I knew what I was buying when I purchased this, and did not expect the same "feature" set as the Z700, so for what it is, I'm giving it a 5 of 5 stars on the rating. ... "
" ... If you have no idea what bridge mode is you will have no issues using this little guy but if you need to do some more complicated networking setup with port forwarding and having VPN setups then you will probably run into some issues. ... "
" ... Not too shabby, I just needed more features. ... "
Internet
11backup internet connection, access, speeds, speed, rural
+91%
-9%
" ... I have this setup as a backup internet connection for my home. ... "
" ... This is a great product if all you need is 4G internet. ... "
" ... it pings a host on the Internet . ... "
" ... Really fast internet speeds if you have the unlimited plan plus plan with AT&T. ... "
" ... I'm using this for rural internet access and so, far, have had exceptional results with it. ... "
" ... Excellent for occasional internet access, where metered internet isn't an issue. ... "
" ... I use this as a backup internet connection for my company. ... "
" ... Internet data is much cheaper in other countries. ... "
Marketplace
7described, amazon, thank, replacement, replaced
+86%
-14%
" ... Works as described. ... "
" ... You can thank me later. ... "
" ... Works exactly as advertised. ... "
" ... Works as described! ... "
" ... Finding that out took way to long but once verified I was able to order with the same shippment here on Amazon. ... "
Resolution
6hd, roku, movies, mobile, easily
+100%
" ... However if you live in the sticks like me, it provides great connection for 4K movies streaming and little to no buffer when working ... "
" ... Easily handles two HD streams at once. ... "
" ... Been watching 4k content off of Netflix on my Smart TV and there is no lag at all. ... "
" ... With the extra boost of a second load balanced connection, I've easily got reliable 1080P streaming and I can barely tell I'm on a cellular-only connection. ... "
" ... My next test was see how it would perform with streaming HD (1080p) video on my Roku 4, since I knew that would consume the most data of all of my usual internet activities. ... However, you can disable this by enabling HD video in your T-Mobile account (if you have that option with your service). ... I learned this quickly after streaming a bunch of HD shows and movies in my Roku 4 and chewed through my 10GB/month mobile hotspot allowance in two days. ... "
For Travel
5traveling, travel, around, areas, rural area
+80%
-20%
" ... I'm excited to try it out around the areas I travel to see how well it works. ... "
" ... I could imagine traveling with one if I needed wired connections. ... "
" ... My job has me traveling from different areas around my hometown, as well as different cities and states. ... "
" ... Now we use it for tablet internet access in the car for kids on road trips. ... "
Apps
5mobile, youtube, streaming, lte, feature
+40%
-60%
" ... The simplistic software is feature poor. ... "
" ... Google "Verizon fix APN" to get ones to try. ... "
" ... Deleting the Cache or App storage will do nothing, restarting the App will do nothing. ... Only a complete power down, power up and then start the Messenger app works . ... its a flaky app. ... "
Remote
5location, internet
+100%
" ... We use this at our remote cabin as well to keep connected to the internet for late night movies by the fire. ... "
" ... I am in a remote location without internet service. ... "
" ... especially for remote operation. ... "
" ... Worked in remote location like a champ. ... "
" ... I am using this for a remote security camera and so far it works great and is really fast. ... "
Cables
5internet, fiber, company, antenna, ts9
+80%
-20%
" ... * a POE version is available which reduces wire clutter. ... "
" ... My cable is gone. ... "
" ... Still have the problem of cell company data "throttling" at the 10GB limit, but this has helped me cut the cable cord. ... "
" ... Called the cable company and told them "to shove it" and got rid of $100 Internet bill each month . ... "
Band
5bands, verizon, supports, support, newer
+80%
-20%
" ... Which means newer devices like my Note 9 for example can use multiple bands all at once (The A stands for Advanced I guess). ... "
" ... On an iPhone you can check which band you're connected to by doing the following: ... I confirmed that I connect to Verizon 4G LTE on band #4. ... This device supports the following bands: Bands 2, 4, 5, and 12. ... "
" ... It supports higher data rates, band lock, etc. ... "
" ... 66 and the new upcoming Band 71(600mhz) as well) ... "
Returns
5replaced, one, amazon, replacement, back
-100%
" ... sending it back. ... "
" ... Returning 2nd one. ... "
" ... Have to return it. ... "
" ... Contacted Amazon and they replaced the first unit. ... "
Product As Described
4described, advertised
+100%
" ... Works as described. ... "
" ... Works exactly as advertised. ... "
" ... Works as described! ... "
Call quality
4thing, talk, phone, sms, place
+25%
-75%
" ... The only thing I regret is that it doesn't have voice. ... "
" ... Hard to understand why they limit them so severely compared to the phones. ... "
" ... It won't talk to verizon. ... It won't talk to verizon. ... "
Build Quality
4dropped, would, mounted
+75%
-25%
" ... It dropped to 3 but I'm still good. ... "
" ... No dropped connections, good speed, and you can program the LEDs off. ... "
" ... nothing to break. ... "
Wash Programs
3bridge mode
+100%
" ... it's in the settings. ... "
" ... Dial the following to enter Field Test Mode: *3001#12345#* ... "
" ... and has the ability to operate in bridge mode as well. ... "
For Running
3minutes
+100%
" ... The product works great, up and running in minutes. ... It's like buying a shoe and saying it's capable of running. ... "
" ... Had it up and running in minutes. ... "
" ... Plug it in and you are up and running. ... "
Notifications
3send, alerts, messages, certain, cannot
+33%
-67%
" ... 1) Depending on your cell provider, you may have to call them to allow the device to send text messages. ... "
" ... The problem is that it cannot send alert notifications on the AT&T network, so you don’t know when it has switched over to LTE. ... "
Pedometer
3step
+100%
" ... Here are the steps I took . ... "
" ... This is a review that will be helpful for the most Novice of technical expertise, step by step. ... "
" ... I would estimate the tower is about a mile away. ... "
Design
3+67%
-33%
" ... Initial test looks good. ... "
Charging
3charge, phone, charges
+67%
-33%
" ... Product is exactly what I needed and works perfectly, only downfall is they could charge half the price easily. ... "
" ... I do like the Ethernet connection to my computer and the fact I no longer have to much around with battery charging. ... "
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Specifications
Connectivity
3G: Yes
Calling
GSM: Yes