# Wireless USB 4G LTE Adapter ALFA Tube-U4Gv2 — USB modem support for mobile broadband

**URL:** https://aio.lv/en/product--alfa-tube-u4gv2g--3590006
**Data updated:** 2026-02-12 09:54 (EET)
**Category:** 5G/4G/3G Modems & Routers
**Manufacturer:** ALFA
**Manufacturer code:** Tube-U4Gv2/G
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 102.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 85.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--alfa-tube-u4gv2g--3590006

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

ALFA Tube-U4Gv2 is a wireless USB adapter designed to provide 4G LTE mobile broadband connectivity via compatible USB modems. It connects to a computer or router’s USB port to enable internet access where wired networks are unavailable. Use cases include travel, remote work, and backup internet. Practical benefits: quick setup, portable form factor, and compatibility with supported USB modem devices.

## Long description

ALFA Tube-U4Gv2 is a compact wireless USB 4G LTE adapter that enables mobile broadband access when connected to a compatible USB modem. The device is designed to plug into a computer or a router’s USB port to provide internet connectivity in locations without fixed-line networks. Its portable form factor and straightforward setup make it suitable for travel, remote work, temporary installations and as a backup internet connection.
Advantages
The adapter supports USB modem devices for 4G LTE mobile broadband, offering a practical alternative to wired connections. It is lightweight and easy to carry, allowing quick deployment on laptops or routers with a USB port. The Tube-U4Gv2 simplifies access to mobile networks and reduces the time required for configuration when used with compatible USB modems.
Suitable for
Connecting a compatible USB modem to a laptop or desktop to access 4G LTE networks
Providing mobile broadband to routers that accept USB modem input
Temporary internet access during travel, events, or fieldwork
Backup internet connectivity in case of fixed-line outages
Key specifications
Function: USB 4G LTE adapter for compatible USB modems
Connectivity: USB interface for connection to computer or router
Form factor: Portable, compact USB device
Compatibility: Works with supported USB modem devices for mobile broadband
How to use
Insert a supported USB modem into the ALFA Tube-U4Gv2 and then plug the adapter into a computer or router USB port. Allow the host device to recognise the modem and install any required drivers or software provided by the modem manufacturer. After the modem is detected and configured, establish the mobile broadband connection through the host device network settings or the modem’s management interface.
Usage recommendations
Ensure the USB modem used with the Tube-U4Gv2 is compatible and that any necessary drivers are available for the host device. Place the adapter where it has adequate ventilation and, if possible, where the modem can receive a strong mobile signal for stable 4G LTE performance.

## FAQ

### How much does the ALFA Tube-U4Gv2 USB 4G LTE adapter cost, and is it available for purchase?

The price is 102.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 43 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 06.07.2026 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. 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 ALFA 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 ALFA 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

## Image

https://aio.lv/img/cache/product/3590006/5381753_large.webp