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The Cudy N300 LT400 is a versatile 4G LTE Cat4 modem router featuring a SIM card slot for instant mobile broadband access. It delivers up to 300Mbps WiFi speed via 802.11n on 2.4 GHz, boosted by four 5dBi high-gain antennas for extended coverage. Equipped with multiple VPN clients and DNS encryption, it ensures secure, private connections. Ideal for remote locations, holiday cabins, or as a reliable fiber alternative, it supports easy plug-and-play setup and remote management through DDNS and a user-friendly web interface.












| ASIN | B085S2147W |
| Antenna Location | Home, Remote work, Small Business |
| Antenna Type | Fixed |
| Best Sellers Rank | 1,452 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 9 in Routers |
| Box Contents | Ethernet Cable, Installation Guide, LT400, Power Adapter |
| Brand Name | Cudy |
| Colour | Black |
| Compatible Devices | Laptop, Personal Computer, Smartphone, Tablet |
| Connectivity Protocol | Wi-Fi, 4G LTE |
| Connectivity Technology | LTE, Wi-Fi |
| Control Method | App |
| Controller Type | App Control, Web Interface |
| Country of Origin | China |
| Coverage | extended |
| Customer Reviews | 4.3 4.3 out of 5 stars (5,888) |
| Data Transfer Rate | 300 Megabytes Per Second |
| Frequency | 2.4 GHz |
| Frequency Band Class | Single-Band |
| Has Internet Connectivity | Yes |
| Is Electric | Yes |
| Is Modem Compatible | Yes |
| Item Dimensions L x W x H | 23L x 14.6W x 21H centimetres |
| Item Weight | 205 Grams |
| LAN Port Bandwidth | 1000 megabits per second |
| Manufacturer | Shenzhen Cudy Technology Co., Ltd. |
| Manufacturer Part Number | LT400 |
| Maximum Upstream Data Transfer Rate | 50 Megabits Per Second |
| Model Name | LT400 |
| Model Number | LT400 |
| Number of Antennas | 4 |
| Number of Ports | 4 |
| Operating System | RouterOS |
| Other Special Features of the Product | 300 Mbps WiFi, 4G LTE FDD&TDD, DDNS, VPN |
| Product Warranty | 2-Year Warranty |
| RAM Memory Installed | 64 MB |
| Router Firewall Security Level | basic |
| Router Network Type | cellular |
| Security Protocol | [INF] Supports security protocols through VPN clients |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
| Wi-Fi Generation | 802.11n |
| Wireless Compability | 2.4 GHz Radio Frequency, 802.11n |
P**9
SIM Router That Changed Everything
I honestly wish I had upgraded to this SIM card router sooner. We spent two years struggling with our old setup — barely able to use the TV, and if someone was streaming, no one else could get online. Most of the time, my housemates had to sit right next to the router, and even then only two people could connect. Speeds were slow to very slow, and coverage only reached 2–3 rooms. This new SIM card router has been a massive upgrade. It now covers the whole house with high speeds, even in our rural area where signal is usually weak. Setup was easy, and I even managed to change the password — that took a little more effort, but it was still straightforward and impressive. Hardly any issues since, and now everyone can stream or watch TV in their own rooms without a problem. Reliable, fast, and with great coverage — exactly what we needed.
T**R
Good 4g alternative to fiber and copper based WiFi options
I live in a third floor flat and was looking for a WiFi solution as my current supplier (full fiber) was unable to supply. The 5g coverage is outside only, so I decided to go for this 4g router as 4g coverage is excellent in this area. I have paired this router with a Smarty unlimited data SIM on a monthly DD payment (currently £20 pcm). My use is to stream TV Amazon fire tv (I have used a cable to the router ), working from home on lap top (multiple screens, browser tabs, Citrix corporate apps), tablet, mobile phone. This product works extremely well, speed is better than the connection in the office and whilst upload speeds are slower than the fiber I had, they are perfectly adequate for my use. My expectations for this products performance have been exceeded. The connection process was easy and my printer (CannonT55350i) and home and work laptops connected with ease, and worked well together, simply putting in the password on the bottom of the router. Coverage is not tested a one bedroom flat. I have it positioned adjacent to an external wall. Good value purchase and a realistic long term replacement to fiber and far better than copper, and with the smarty simm there is freedom from expensive contracts and punitive exit fees.
S**N
Reliable connection, good speed, easy set up
Easy to set up, the quick-setup guide for once was clear and accurate. The device works well, good speeds with multiple devices connected. I'm using it with a Three mobile data sim (which inserted easily, wait a minute or so and it connects automatically) so the router performance of course is inevitably dependent on the mobile signal, but that's good here. It's able to provide good quality video streaming on 2 laptops simultaneously with three phones and a tablet also running. So far it's faster and more reliable than the Vi***n network it's replaced. It's got the inevitable blue light show but they at least tell you what's working. To quote Ford Prefect: boffo, a good one.
L**N
Great 4G router, but developers still actively working through some glitches
Good little 4G SIM unlocked router. As an IT professional, needing an internet connection via 4G and not wanting to spend the earth on one, this fit the bill. It is only 2.4Ghz for the wi-fi signal, but seeing as 4G throughout is nowhere near the wi-fi speeds on 2.4ghz that's fine. The user interface is not badly thought out, with sections for the various functions it can do. Setting it up in the UK was relatively easy with a Giff-Gaff SIM card, the Wizard worked well and connected fine with a good signal strength. Once connected, it was good most of the time for 2 teens and my spouse, though we did manage to blow through 15gb of data in one and a half days necessitating an unlimited plan rather faster than I had hoped. Speed wise was great with multiple users on Netflix and YouTube relatively unaffected by each others usage. Unfortunately there is a big bug in the base firmware that Cudy are aware of and actively working on that we would suddenly have no connection to the internet, but still able to connect to the router over wi-fi. According to the interface on the router, the 4g was still connected, but it didn't pass the internet through anymore. It could be fixed easily enough by either rebooting the router with the power switch, our by running through the set up Wizard and just clicking next at each stage without changing anything. But not ideal solution. I emailed their support not expecting much with the problem and a copy of the system log and got a reply within 24 hours with a new firmware upload to try out. It didn't fix the problem so I sent another email with the log and received another version of firmware to try out. It worked for longer without disconnecting but still did not completely fix the problem. Unfortunately, now I am not in that place anymore so can't continue to work with their support until I return which is a shame as I think they were close to fixing it. I have left the router automatically rebooting on a schedule at 3 am every day in case it happens while I am not there to fix it. If they can get this fixed I wouldn't hesitate to recommend it to friend and family needing a 4g internet connection, but until they do, I can't. Having said that, there are some really nice features in the router interface from the traffic totals to using 4g as a back up to a normal broadband connection which are great at this price point.
D**S
Excellent device
Excellent router, plug n play, just insert sim and away you go, runs all my devices with ease
T**S
It does the job
Good router does what it says on the box, it only took me about 10 minutes to set up, it works well with a 4g nano sized smarty sim card, it works ok streaming a couple of devices at the same time (I don't know about streaming multiple devices from it), but it meets my needs. Just check to make sure your sim card and mobile internet provider are compatible with this router, it should be as it's unlocked. And if you're getting a new sim card to go with the router check that the mobile internet provider has good 4g coverage in your local area.
K**E
DOES NOT WORK
just don't bother it wasn't any help it kept saying to me SIM card not inserted and it was just a waste of my time and money I'm planning on sending it back just don't buy this
A**E
Werkt prima met sim only van Simpel
Z**Z
Excelente
H**I
High quality, and its the most good price for a router
M**O
Ottimo!!! funziona bene sia in wi-fi che in ethernet! Nessun problema nemmeno dopo mesi
K**N
Habe den Cudy LT400 wegen seines günstigen Preises gekauft. Was mir gefällt: + Hat auf Anhieb funktioniert + Komme auf 44Mbit/s Download und 10 Mbit/s Upload (= schneller als mein Smartphone; nicht berühmt aber ausreichend für mich) + WLAN ist deutlich kräftiger als z.B. das Tethering-WLAN meine Smartphones + 4 LAN-Ports (davon einer als WAN-Port nutzbar, falls man z.B. DSL und LTE alternativ nutzen möchte) + LAN-Kabel dabei + 8 blaue Funktions-LEDs + Externe Antennen für WLAN und LTE + Graphische Web-Oberfläche mit graphischen Darstellungen der Datenmengen über der Zeit + Man kann wirklich viel einstellen (DHCP, DNS, Routen, Sperren, ...) und anschauen + Responsive GUI: stellt sich darauf ein, ob z.B. über Tablet oder Desktop bedient wird + Einstellbare Sprache + Gut gemachtes Handbuch in Deutsch, Englisch, Spanisch, Itailienisch, Französich, Chinesisch + Man kann das Gerät über WLAN und über LAN konfigurieren + Kompaktes Gehäuse, das man hinstellen oder an die Wand schrauben kann + Weder Router noch Netzteil (in 100-240V AC, out: 12V 1A DC) werden warm + WPS-Taste (auch als Factory Reset-Taste nutzbar) für schnelles Einbuchen im WLAN + USB-Support (noch nicht probiert; Funktion?) + Separates WLAN für Gäste wird unterstützt Was nicht so schön ist: - Die 4G-LTE-Datenrate könnte noch höher sein - 5GHz WLAN wird nicht unterstützt - Adapter für Mikro- und Nano-SIM ist nicht dabei (laut Handbuch sind zwei Adapter dabei ...) - SIM-Karte lässt sich leicht falsch herum einstecken (woher ich das wohl weiß?) - Übersetzung in Deutsch der Benutzeroberfläche hapert an einigen Stellen etwas - Klavierlack-Optik neigt zu Fingerabdrücken - WPS-Taste sitzt versteckt auf der Rückseite - Gerät unterstützt kein "Voice over LTE" (VoLTE), über das man ein Analgtelefon anschließen kann Für den Preis sicher eine sehr gute Alternative zum Einsatz des Smartphones als mobiler Hotspot.
TrustPilot
vor 5 Tagen
vor 3 Wochen