# Desktop Router Cudy LT400 4G Black Single-band 2.4 GHz Wi-Fi 300 Mbit/s

**URL:** https://aio.lv/en/product--cudy-lt400eu--7010758
**Data updated:** 2025-12-30 06:07 (EET)
**Category:** 5G/4G/3G Modems & Routers
**Manufacturer:** Cudy
**Manufacturer code:** LT400\_EU
**EAN:** 6971690791193
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 36.99 €
**Prices and availability valid until:** 2026-07-09 23:59
**Price without VAT (21%):** 30.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cudy-lt400eu--7010758

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 4.99 EUR |

## Summary description

The Cudy LT400 is a desktop router designed for fast internet connectivity with 4G support. It features a single-band 2.4 GHz Wi-Fi with a maximum data transfer rate of 300 Mbit/s. The router includes Fast Ethernet LAN interfaces and supports various mobile network standards including 4G and 3G. Its compact design and LED indicators make it suitable for home or office use.

## Long description

The Cudy LT400 is a desktop 4G LTE router that provides mobile broadband access with a NanoSIM slot and single‑band 2.4 GHz Wi‑Fi up to 300 Mbps. It supports multiple 4G FDD and TDD bands as well as 3G standards, includes Fast Ethernet ports for wired connections, high‑gain external antennas for improved signal reception, and features VPN and DDNS compatibility for remote access and secure connections.
Advantages
The LT400 supports both FDD and TDD 4G modes and a wide range of frequency bands to ensure compatibility with most cellular operators worldwide. High‑gain antennas enhance sensitivity and wall penetration for more reliable reception. Built‑in VPN functionality enables secure tunnels to remote offices and teleworkers, while compatibility with more than 15 DDNS providers allows convenient remote administration even when the public IP changes. The router can operate in LAN or WAN mode, letting it serve as a primary wired gateway or use 4G as a backup.
Suitable for
Home internet access and media streaming over 2.4 GHz Wi‑Fi
Small office networking with combined WAN and 4G backup
Holiday homes or temporary locations requiring quick internet via SIM card
Remote workers or small branch offices needing VPN connectivity
Key specifications
Mobile network generation: 4G (FDD: B1/B3/B7/B8/B20; TDD: B38/B40)
3G support: DC‑HSPA+/HSPA+/HSPA/UMTS B1/B8
Wi‑Fi: Single‑band 2.4 GHz, up to 300 Mbps
SIM card type: NanoSIM
Ethernet: Fast Ethernet LAN ports (wired WAN/LAN support)
Antennas: High‑gain external antennas
Security/features: VPN support, DDNS compatibility (15+ providers)
Color: Black
How to use
Insert a NanoSIM card into the router, power it on and follow the web‑based setup wizard to configure the mobile network and Wi‑Fi SSID/password. Choose LAN mode for a standalone 4G router or configure WAN mode to use wired Internet with the 4G connection as backup. For remote access, enable DDNS and configure VPN settings according to your network requirements. Place the router near a window or in an elevated position to improve cellular signal reception.
Usage recommendations
For best performance, use compatible cellular bands supported by your local operator, position the router to maximize antenna exposure, and update firmware regularly. Use WAN mode with 4G as backup for office deployments and enable VPN for secure remote connections.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| DC-in jack | Yes |
| USB port | No |

### Mobile network

| Feature | Value |
|---|---|
| SIM card type | NanoSIM |
| 4G standard | LTE-TDD & LTE-FDD |
| 3G standards | WCDMA, DC-HSPA+, HSPA, HSPA+, UMTS |
| 2G standards | EDGE, GSM |
| Mobile network generation | 4G |

### WAN connection

| Feature | Value |
|---|---|
| WAN connection type | RJ-45 |
| DSL WAN | No |
| Ethernet WAN | Yes |
| SIM card slot | Yes |
| 3G/4G USB modem compatibility | Yes |

### Antenna

| Feature | Value |
|---|---|
| Antenna design | External |

### Network

| Feature | Value |
|---|---|
| Cabling technology | 10/100Base-T(X) |
| Networking standards | IEEE 802.11g, IEEE 802.11n, IEEE 802.11b, IEEE 802.3, IEEE 802.3u |
| Port forwarding | Yes |

### Wireless LAN features

| Feature | Value |
|---|---|
| Modulation | 16-QAM, 64-QAM, BPSK, CCK, DSSS, QPSK |
| Wi-Fi band | Single-band (2.4 GHz) |
| WLAN data transfer rate (max) | 300 Mbit/s |
| Top Wi-Fi standard | Wi-Fi 4 (802.11n) |

### Ethernet LAN features

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| Ethernet LAN (RJ-45) ports | 4 |
| Ethernet LAN data rates | 10, 100 |
| Universal Plug and Play (UPnP) | Yes |
| Dynamic DNS (DDNS) | Yes |
| Ethernet LAN interface type | Fast Ethernet |

### Features

| Feature | Value |
|---|---|
| Internal memory | 64 MB |
| Internal memory type | DDR2 |
| Plug and Play | Yes |
| LED indicators | WAN, LAN |
| Product colour | Black |
| Reset button | Yes |
| Firmware upgradeable | Yes |

### Power

| Feature | Value |
|---|---|
| Output voltage | 12 |
| Output current | 1 A |
| Power source type | DC |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 5 - 95 |
| Storage temperature (T-T) | -20 - 70 |
| Operating temperature (T-T) | 0 - 40 |

### Security

| Feature | Value |
|---|---|
| VPN support | OpenVPN/PPTP/L2TP/Zerotier/Wireguard |
| DMZ support | Yes |
| Stateful Packet Inspection (SPI) | Yes |

### Design

| Feature | Value |
|---|---|
| Product type | Desktop/pole router |

### Performance

| Feature | Value |
|---|---|
| Antenna gain level (max) | 5 dBi |
| Web-based management | Yes |
| Antennas quantity | 4 |

### Sustainability

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |
| Sustainability certificates | CE |

## FAQ

### How much does the Desktop Router Cudy LT400 cost, and is it available for purchase?

The price is 36.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 499 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 25.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Cudy products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Cudy service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: mobile network generation, sim card type, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/7010758/54725820_large.webp