MERCUSYS MB110-4G 4G Router with SIM Slot, N300 Portable WiFi Router

I was looking for a 5G router to replace fibre-to-the-cabinet broadband. However, my choice was a bit limited because I wanted one with an RJ11 socket (so I could plug in my existing DECT phone and use the router's SIM card for calls as well). This router was somewhat buried away in Amazon's search results and Mercusys wasn't a brand that I was familiar with. Nevertheless, its specs pretty much met my needs so I decided to go ahead and buy it. So far, I'm really pleased and the router is working well. Set up was simple (no need to download the Mercusys app in my experience) and signal strength from the 5G mast is fast and stable (I didn't need external antennae, but it's good that this router has ports for them). The Wi-Fi performance is very reliable too, with full consistent coverage throughout my house. Obviously for other people this'll depend on various factors such as property size and wall thickness, but handily this router is EasyMesh compatible. A minor criticism concerns the length of the supplied power and RJ11 phone cables. They're both rather short, which matters because this type of router might have to be sited in an odd or awkward place to receive the best 5G signal. Also, the small number of LAN ports isn't an issue for me, but it could be for some users.

I’ve been using the MERCUSYS MB110-4G router for a while now, and I’m still using it every single day without any issues. It has been completely reliable, easy to set up, and provides a stable connection with my SIM card. Truly a fantastic product for the price. Highly recommended!

Impressed by not so easy setup to identify type of product at start of app :- setup process, initially it didn’t work until I selected the product setup product setup as “router”, did it the find the device:- after which it was then straightforward menu-driven setup. Once nano SiM orientation figured out and inserted, all lights turns solid “green”:- all ok and works like a treat , it’s 5G reception indoors, good reception of 5G, to my surprise getting 5G, it’s powerful enough t to pick up 5G signal indoors, happy with this, from past experiences this was my look-out for in routers with 5G providers SIM, at 5hz instead of 2.4 hz Constant power supply via plug is added value instead of battery powered router. The router box sits steady on table or flat surface which is a plus, RJ45 cable supplied is stiff and short for connecting to a WiFi- router when this is used as a repeater, ( paradox ), 2 routers in series. But works, no conflicts, connected netgear m2100 to this router: compatiable n works!! Please with promotional priced for SIM - router device, Reception signal pick up indoors good, all green lights on side of panel! A bit pricey for old technology but with broadband prices for wired broadband these days, SIM based broadband is a way of cutting unduly high cost of broadband without the added long term contracts, this setup n configuration adds value to you as a user! Would have liked the upload speed to be faster at 20 mb/sec! But trolled by provider of services! Otherwise product device meets expectation of 4G router

I think this router is well worth the money. Personally I bought this to be a fail over for my fibre service as the company I'm with is a small company due to no openreach fibre as of yet. We have had a few outages and that means we have been offline multiple times and the worst was nearly 24hours. We also have lots of WiFi controlled smart devices that don't work without a connection so I have this router setup as a fail over if and when the fibre goes down and the plus side you can take it on holiday or in the car. I'm using the smarty social tariff at £12 a month which uses three network. I have a high end phone which also uses three and where I live signal and speeds are poor at best I get 30mbps on my phone. On the router I have seen spikes of 50mbps but again settles at 30ish unless early hours of the.morning. I have been testing the devices ability over a few days and been switching off our fibre connection so we are completely relying on the 4g. I did this over a few days but longest test was a Saturday where kids were home and watching tablets aswell as me having the TV on and using phones. Now this handles it quite happily and we have over 30 devices online. I could still access my cameras remotely, I experienced no buffering and I was very impressed. I feel like for a small household who doesn't require internet to work from home this would be superb. I have it located upstairs using the internal antennas sort of in the middle of the house and that seemed to be the best combination for a location to have power and access to the loft to get ethernet to main router but also signal and speeds. I can't rate this thing highly enough. I have also ordered a 5v usb to 12v adapter as that will be easier to.plug in at home but also easier to power in the car or from a power bank if we have a power outage. My only complaint is it doesn't have a battery which I could find a single one on the market that provided battery and ethernet. Not the end of the world as I have a jackery power station but just something to bare in mind. The only thing I have noticed is the WiFi strength isn't the greatest with my tablet which doesn't really affect me as my.main router does the distribution but this may just be my tablet being weird. All in all id recommend this, I would also recommend getting the usb supply atleast then you can keep the router power by a power bank or similar and move it round your home to find your best signal location like I did. I will add that I've now purchased a 4g sercomm router from three. They are highly rated and yes it gets good speeds but it is unstable. Sometimes it just won't respond and it struggles with getting a good signal. I wouldn't want to use it for video calls or online gaming. The mercusys on the other hand although slower it just work and never has an issue. The fact that this tiny little router in my opinion beats a very popular highly rated router is beyond Me. I'm in an area where signal isn't great and no 4g+. I feel for like a motorhome or something this would be the perfect router for the job.

Great 4G mifi with guest network too. Ethernet ports and WiFi (2.4Ghz) great device easy to set using app. Mains powered also has 2 x external antenna ports on back. Helped me greatly when I had a plusnet router fail one weekend used a giffgaff nano sim with no issues.

Reasonably good but not great

Excellent device. I was paying through the nose for fast broadband on a persimmon estate and had no options to change provider. I had been thinking of trying a 5G router since I moved in but was wary of wifi quality in a 3 storey house. I use SKY Stream and it quite regularly glitches and buffers. I recently got a new phone on 3 (ID mobile) and got unlimited 5g data with it! so I thought I would give it a go and bought this router. What a pleasure it was to find how easy it was to install and set up. The 5G sim card I put in it only gets about 80-100Mbps whereas I had a 500Mbps contract (only got about 300-400Mbps though) but it worked better than my original wifi, even on the third floor. It still buffer for a second every now and then but much less than with my Fibre connection. I am more than happy with this router and would recommend anyone thinking of making the jump to get this router and a 5g contract.

After using the router which I bought as a package with a Smarty SIM (3 network). I was apprehensive. With all of the 3 issues of the 90s, 00s it was a network I have swerved for decades. Seeing this deal, I thought, surely they couldn't be terrible still..wrong! They are still the pits. I actually thought the router was the issue because of the cheap price, but after many many many nights of frustration with ASD children, meltdowns and tears( mine) because I saw the pain and frustration in my child's eyes, I used the sim in my phone. After spending 2 months ( I forgot to cut off the reaccuring) I ended up having to use my phone as a hot spot for the first month is support of the sim for my devices and then fully take my sim out of my phone and put it into the router for the second. Immediate stable connection, all lights on. A bit laggy at times, but a lot better than everything buffering, even watching Now TV, which needs about 8bps to watch was just impossible. The router is fine, just get another sim to use with it. The router itself is small, and easy to connect. The idea of being able to take it everywhere is a game changer, especially if you travel and sometimes the broadband isn't very good.

Wir haben unser Festnetz komplett abgeschafft und nutzen nur noch mobile Daten. Da es auf Dauer ziemlich nervig war, ständig das Smartphone als Hotspot einzuschalten, haben wir uns für diesen Router entschieden. Der Kauf war eigentlich erst mal nur als Test gedacht – aber das Gerät hat uns vollkommen überzeugt! Der Router hat all unsere Erwartungen erfüllt. Die gesamte Wohnung wird absolut zuverlässig mit WLAN versorgt, und die Verbindung steht stabil. Die Einrichtung war denkbar einfach und im Handumdrehen erledigt. Ein großes Plus ist auch die dazugehörige App zur Steuerung – sie läuft super flüssig und ist sehr übersichtlich gestaltet. Für uns die perfekte Lösung, um unkompliziert und komfortabel mobile Daten zu Hause zu nutzen. Wer das Festnetz ersetzen will, kann hier bedenkenlos zugreifen.

I bought 3 of these for €24,95 in December 2025. One as a main router connected to the Starlink router. the other 2 as mesh devices, one wired, one only wifi. Setup was straight forward if you follow the instructions on the site correctly. On a side note - The Mercusys website is really licked and idiot proof - respect! I have the NAT enabled on the Starlink and while this can sometimes be problematic with secondary devices the Mercusys (with its own NAT running) seems to get along with the Starlink just fine. Performance has been ROCK SOLID all this time and the wifi reach is incredible, every last corner of the house and garden and even half way down the street are covered with the devices half hidden behind furniture. Connection speed and performance is fast even when walking around (we have quite a big property). Last week Alexa started dropping TuneIn radio, but that was a firmware conflict issue (the main router auto updates, the meshes need to be told to update themselves - couple of mouse clicks in the admin page and 6 minutes later all was well again). For what I paid, and even for what they cost today the value is unbeatable. You're basically getting a €400 setup for a third of the price. 5 stars all round from me. dig?

THIRD CLASS LTE every time WIFI connect disconnect after evry few mint i buy 6 piece but same problem

This router is the perfect choice for anyone wanting a connection boost. It gives me Wi-Fi 6, while my provider’s modem only supports Wi-Fi 5. I connected it behind my modem with a LAN cable and set it up in under 5 minutes using the app. Now I have much more control over the settings. I use Moonlight to stream games from my PC to my laptop or tablet. Before the stream bitrate capped at 15 Mbps before stuttering started. Now I can push it to 95 Mbps with zero stutter!

This is a good router . It's bee one week since I purchased it . Where I live I was having issues with 5G signals and now my issue is sorted out even without an external antenna .