Question 1

Will this work with a t-mobile sim card?

Accepted Answer

I know this is a old question but putting my 2 cents in. I currently use this as my home internet with T-Mobile. I have the T-Mobile ONE Plus International Plan for a Tablet which does allow unlimited data, but I do have a monthly cap of 50GB so when I go over that, I do get reduced to a slower speed. It is usable when that happens, but does make streaming and things harder. Otherwise it works great.

Question 2

Is this device "unlocked" for use on other compatible networks?

Accepted Answer

I use this exact modem for rural customers for internet service and AT&T works fine on this modem using a business plan and they have 8MB, 12MB, and 50MB speeds with Data caps at 50GB, 75GB, and 125GB before slowing down to 3G which is still good speed for usage.  Verizon however does not work but accepts the SIM card and acts like it does just cannot  browse.  Verizon will tell you the service is not supported on this device.

Question 3

Confusion: How to use Wan port? I could understand wan port on router, but in modem.... What dose that means? What kind of advantage would it make?

Accepted Answer

Wide Area Network (WAN) also known as the Internet, connected with addresses that are publicly accessible. Local Area Network (LAN) are a private group of computers and devices that are not publicly accessible. Class C Private IP range 192.168.0.0 : Class B 172.16.0.0 : Class A 10.0.0.0. The WAN port on the router is Internet in and the switch ports and built in access point distribute it to client or end point devices.

Question 4

what size Sim card does this device uses?

Accepted Answer

It's a micro-sim. But you can easily place a nano sim into the slot, just line it up on the side opposite of the notch, then latch the cover. There should be plenty of tension to keep it in place between the pins and the latch. Mine is working just fine this way until I can get an adapter.

ASIN	B01N5ASNTE
Best Sellers Rank	#24,822 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #93 in Computer Networking Modems
Brand	NETGEAR
Built-In Media	4G LTE Modem (LB1120), Ethernet cable, Power adapter, Quick start guide
Color	Black
Compatible Devices	iphone 6 , iphone 6 plus, iphone 5, iphone 5s, iphone5 c
Connectivity Technology	Ethernet
Customer Reviews	4.1 out of 5 stars 2,916 Reviews
Data Transfer Rate	150 Megabits Per Second
Global Trade Identification Number	00606449116687
Internet Service Provider	at&t_wireless;t_mobile ;;
Internet service provider	at&t_wireless;t_mobile ;;
Item Dimensions L x W x H	4.7"L x 3.9"W x 1.2"H
Item Type Name	NETGEAR 4G LTE Modem (LB1120-100NAS)
Item Weight	6.4 ounces
Manufacturer	Netgear
Maximum Downstream Data Transfer Rate	24 Megabits Per Second
Maximum Upstream Data Transfer Rate	50 Megabits Per Second
Mfr Part Number	LB1120-100NAS
Model Number	LB1120-100NAS
Modem Type	Cellular modem
Number of Ethernet Ports	1
Number of Ports	6
Product Dimensions	4.7"L x 3.9"W x 1.2"H
UPC	606449116687
Unit Count	1.0 Count
Warranty Description	limited warranty

LB1120

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