MOFI4500-4GXeLTE-SIM4-COMBO 4G/LTE Router AT&T T-Mobile Verizon Embedded SIM with Band 12

Update 26 Feb 18 - Well, after a week or 10 days of driving them nuts, with the help of MOFI tech support, I was finally able to determine that my DNS issue was NOT the fault of the router, but my VPN service provider. Many thanks to them for their patience. Now if my VPN provider was only so attentive. I'll add back the star I dropped earlier, out of pure embarrassment.-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Update 05 Feb 18 - Well the router lasted about 8 months, and then it lost it's mind. Initially, it locked up and I could not get any traffic through it on either the WAN or the LAN side of things. I had to power cycle it a bunch of times before I guess I got lucky and it came back online. Still, it wasn't right. The wireless side of the LAN seemed to work OK, but anything on the wired switch had no connection, Thinking it had something seriously hosed, I did a reset to the factory defaults and reconfigured my network.That worked - kinda. I had connectivity but there were lots of weird things happening. The biggest issue was that the DNS server in the router started acting flaky. Webpages were taking forever to come up, and the Windows logs were showing lots of instances where it was timing out or not even able to resolve the URL servers names. Pinging the sites from the WAN side of the router always worked immediately. There were also a drastic increase in disconnects requiring a reboot or power cycling, from maybe once a month to once every 24-48 hours. I was getting some real weird name in Windows assigned to the networks as well. The wired LAN would get the SSID, and both LANs sometimes saw the network name assigned to the DNS prefix. Very weird stuff.I spent 3 weeks monkeying around with this, when the router locked up again. Another power cycle later, and now I couldn't get to the log in page for the configuration screens. I get an error message that makes it look like the internal webserver is out to lunch. But the router itself still is maintaining internet connectivity. But if anything else happens I am surely screwed.I contacted MOFI via their trouble ticket system and opened 2 tickets, one for the bad web server and one for the general weirdness coming from the router. There was an initial response asking a lot of the basic questions and could I send them the log files from the router. DUH! Level One service. I CAN'T get into the router you doofus. How can I send you a log file?So I very carefully documented everything I could, including screen shots of the Windows System Log to support the DNS problems. Well that stuff has been sitting there for a week now and NO RESPONSE. I finally got tired of waiting on them and asked for an RMA as the router is still under warranty. It will be interesting to see what the response to that will be. I will update at that time. Until then I will knock a star off for the shabby support I got this time.-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------If the first router had worked correctly out of the box this would easily have gotten 5 stars from me. Even so, I wish I could give it 4 1/2, considering the great product support I got from the people at MOFI.Got my MOFI router, and had problems getting it to connect to the tower, so I put in a trouble ticket Friday afternoon. I was amazed to find I got a response Saturday morning. Tech support worked with me via e-mail through the day, and we still couldn't get it to work with my T-Mobile SIM although it worked fine with a Verizon SIM. Called them Monday morning and talked to Ravin. I am an IT professional and it was so refreshing to get to talk with another professional that was not condescending, played well in the sandbox, and was technically astute concerning his product and Cellular Networking in general.We spent the better part of Monday going through everything with the router and it definitely seemed like a configuration issue with the T-Mobile SIM as my Verizon SIM was connecting immediately to that network at respectable LTE speeds.To make what's already been a long story shorter, it turned out there was some very weird and obscure hardware fault of the router itself. Two days later I lost all communications with the router..I notified MOFI on my still open trouble ticket, and got a near immediate response. They were going to overnight me a brand new router from Canada to South Carolina.The new modem worked perfectly right out of the box with the original T-Mobile SIM and with amazing reception and throughput. I live in the sticks, over 2 miles from the tower, and I was pulling over 30Mps Down and 5 Mps up when there was very light cell traffic. Even during busy afternoon hours I get 16-20 Down and 3-4 Up. I couldn't pull that even with the Verizon SIM. Connecting to T-Mobile's Band 12 700Ghz signal and getting band aggregation during low usage hours makes an astounding difference.Pairing this router with my unlimited data plan from T-Mobile has truly been an economic lifesaver for me. $80 a month and I have been using 60-90G a month with no throttling and full resolution streaming even for 4K UHD video. Thanks MOFI! Your product and your service has exceeded all my expectations!Update 4 Aug 17: Still going strong, and while I am a little too far away to get it to work all that often, the Carrier Aggregation function on this router DOES work and I am attaching a screen capture of one of my Speedtest sessions. 80+mps on a cellular connection through a VPN is mind boggling. Even when the local tower is busy during the day, I regularly get 16-20mps on Band 12 without aggregation, as long as the atmospheric conditions are OK. I notice that breezy weather can seriously affect the throughput, but even on really breezy days I see 8-10mps. This is with a signal that runs -98 to -115dBs

To start off, yes, the wifi broadcasts only on the 2.4 ghz band. However, I have both the Netgear Nighthawk Mobile Broadband Modem and the Netgear (AT&T) Unite Express, both of which are capable of the dual band wifi. Placed in the same spot (velco'd to a window that doesn't get direct sunlight), this Mofi blows them both out of the water. My desktop and Xbox connect directly through ethernet, whereas my other devices connect through the wifi.This thing basically worked out of the box. I put in my sim card (adapter was included) and turned it on getting ready to go to the setup page that the instructions (very easy to read and follow) guides you to. As I was typing in the address, I noticed everything connected up automatically and synced. I tested it by coming here to Amazon since it's my most visited site (I spend far too much here), and sure enough, already up and running. I still went through the setup. It looks like a lot, but there's next to nothing that has to be set for most people.I haven't exactly tested the speed, but this 19.5 gb update of a game on my Xbox took about 2 hours. I live in a place where there is no high speed internet available. You can't even get home phone here anymore. I have had satellite, and the same download would have taken all day or likely would have glitched out and started over a million times before running out all of the available data allowance.A lot of people use Net Buddy, but I use OTR mobile. Net Buddy doesn't really have any customer service and their price is now $65 per month where OTR Mobile is $60 and has great customer support including live chat help. It is unlimited (no throttling, no caps, none of that). That sim card with this device means true high speed internet out here in the sticks, and is a lot more stable than the mobile routers I was using before.** Update 2019 **If I could give more than 5 stars, I would. I am still amazed that a device that delivers only 2.4 ghz Wifi is so much faster than everything else I've had so far that transmits 5 ghz bands. I have noticed that the wifi works a lot better with less interference of other wifi routers, but that can be said of any, I suppose. Take your time to program the settings the way you want or need it, and I set mine to automatically reboot every night/early morning. That seems to help a lot.I live in an area that is too far out in the country to even get home phone service anymore, so dialup isn't even available out here. Even when getting just 2 bars of service, my speeds are now staying above 40 mbps. I know that's not super fast, but consider this: I work from home. I can do that while someone else is on the Xbox live chatting and streaming and have no lag on either. Netflix, Hulu, Amazon Prime Video, YouTube Premium... all loads at the highest quality with absolutely NO rebuffering.To speak of the service I use, I still use OTR mobile and also recommend Netbuddy (netbuddy.co, not .com). Both are great, though OTR has more customer service personnel which gives much faster response time and live chat during the day. For those wondering if they're really unlimited, I used 1.5 TB (yes, terabytes, that's around 1,700 gb) of data my first month since everything had to update. I have never been throttled or capped. My average usage varies between 250 to 550 gb per month with no throttling of any sort. With those two services, unlimited actually means unlimited. They both run on the AT&T network. I'm sure there are other services, but just remember if you're paying more than $70 per month for unlimited data, you're getting ripped off.