# Wireless USB Adapter Mercusys MW300UM

**URL:** https://aio.lv/en/product--mercusys-mw300um--344474
**Data updated:** 2025-12-28 21:16 (EET)
**Category:** Network Cards
**Manufacturer:** MERCUSYS
**Manufacturer code:** MW300UM
**EAN:** 6957939000349
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mercusys-mw300um--344474

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 4.99 EUR |

## Summary description

The Mercusys N300 Wireless Mini USB Adapter (MW300UM) offers wireless connectivity with a maximum data transfer rate of 300 Mbit/s. It supports Wi-Fi 4 (802.11n) on the 2.4 GHz band, ensuring stable connections for your devices. Its compact design makes it portable and easy to use, ideal for laptops and desktops. Simply plug it into a USB port to enjoy fast internet access without the hassle of cables.

## Long description

The Mercusys MW300UM N300 Wireless Mini USB Adapter provides wireless connectivity for PCs and laptops with a maximum data transfer rate of 300 Mbit/s. Supporting IEEE 802.11b/g/n (Wi‑Fi 4) on the 2.4 GHz band, this compact USB adapter enables stable internet access and can be used in desktop or mobile scenarios. Its soft AP function can turn a computer with a wired connection into a Wi‑Fi hotspot.
Advantages
Compact, plug‑and‑play design fits any USB port and is convenient for travel. Supports up to 300 Mbps on the 2.4 GHz band for reliable web browsing and basic streaming. Soft AP mode allows the adapter to create a wireless hotspot from an existing wired connection. Compatible with common networking standards IEEE 802.11b/g/n and available in a discreet black finish.
Suitable for
Upgrading a desktop or laptop without built‑in Wi‑Fi
Adding wireless access to a small office or home workstation
Creating a temporary Wi‑Fi hotspot via soft AP on a wired PC
Basic internet browsing, email, and SD video streaming
Key specifications
Model: Mercusys MW300UM
Maximum data transfer rate: 300 Mbit/s
Wireless standards: IEEE 802.11b/g/n (Wi‑Fi 4)
Frequency band: 2.4 GHz
Interface: USB (host interface: USB)
Colour: Black
How to use
Insert the MW300UM into an available USB port on your PC or laptop. Install drivers if prompted by your operating system or use the provided driver package. After installation, select the desired wireless network from the system Wi‑Fi list and enter the network password. To enable soft AP mode, open the adapter utility or settings and activate the access point feature, configuring SSID and security as required.
Usage recommendations
Place the adapter in a USB port with minimal obstructions to the main router and avoid locations with heavy 2.4 GHz interference. Use WPA2 or comparable security when creating or connecting to networks. For best performance, keep expectations aligned with N300 class devices — suitable for browsing and SD streaming rather than high‑bandwidth 4K video or large file transfers.

## Specifications

| Feature | Value |
|---|---|
| Wi-Fi standards | 802.11b, Wi-Fi 4 (802.11n), 802.11g |
| Harmonized System (HS) code | 85176990 |
| Sustainability certificates | CE, RoHS |
| Antenna design | Internal |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| Interface | USB |
| Host interface | USB |
| Internal | No |

### Bandwidth

| Feature | Value |
|---|---|
| Maximum data transfer rate | 300 Mbit/s |

### Network

| Feature | Value |
|---|---|
| Networking standards | IEEE 802.11b, IEEE 802.11g, IEEE 802.11n |

### Wireless LAN features

| Feature | Value |
|---|---|
| Wi-Fi | Yes |
| Wi-Fi band | Single-band (2.4 GHz) |
| Top Wi-Fi standard | Wi-Fi 4 (802.11n) |

### Antenna

| Feature | Value |
|---|---|
| Transmit power range | 0 - 20 |
| Antenna | Yes |
| Frequency range | 2.4 - 2.4835 |

### Performance

| Feature | Value |
|---|---|
| Security algorithms | WEP, WPA, WPA-PSK, WPA2, WPA2-PSK |
| Windows operating systems supported | Windows 7 Home Basic, Windows 7 Professional x64, Windows 7 Professional, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64, Windows 7 Home Premium, Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic x64, Windows 7 Home Premium x64, Windows 10 Enterprise x64 |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Package weight | 50 g |
| Height | 8.5 mm |
| Width | 42.9 mm |
| Depth | 17.2 mm |
| Package depth | 100 mm |
| Package height | 28 mm |
| Package width | 150 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 90 |
| Storage temperature (T-T) | -40 - 70 |
| Operating temperature (T-T) | 0 - 40 |
| Storage relative humidity (H-H) | 5 - 90 |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, ROHS |

### Packaging content

| Feature | Value |
|---|---|
| Manual | Yes |
| Quick start guide | Yes |
| Package type | Box |

## FAQ

### How much does the Wireless USB Adapter Mercusys MW300UM cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 106 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 26.06.2026 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 MERCUSYS 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 MERCUSYS 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: connectivity technology, interface, host interface, maximum data transfer rate, networking standards, 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.

### Where can I download the instructions for Wireless USB Adapter Mercusys MW300UM?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/344474/54723193_large.webp