# Wireless USB Network Adapter D-Link DWA-121 — 150 Mbit/s, 2.4 GHz, Wi‑Fi 4 (802.11n), Integrated Antenna, Black

**URL:** https://aio.lv/en/product--d-link-dwa-121--3999802
**Data updated:** 2026-03-11 11:44 (EET)
**Category:** Network Cards
**Manufacturer:** D-Link
**Manufacturer code:** DWA-121
**EAN:** 0790069347481
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 11.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--d-link-dwa-121--3999802

## 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 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

D-Link DWA-121 is a compact wireless USB network adapter providing up to 150 Mbit/s on the 2.4 GHz single band using Wi‑Fi 4 (802.11n). It connects via USB and features an integrated antenna, backward compatibility with 802.11b/g, and USB‑powered operation. Suited for adding WLAN connectivity to desktops or laptops for web browsing, streaming and basic file transfer.

## Long description

The D-Link Wireless USB Network Adapter DWA-121 is a compact USB dongle that adds wireless LAN connectivity to desktops and laptops. Supporting Wi‑Fi 4 (802.11n) on the 2.4 GHz single band, the adapter delivers up to 150 Mbit/s and is backward compatible with 802.11b/g. Its integrated antenna and USB-powered operation make it a space-saving option for web browsing, streaming and basic file transfers without the need for an internal WLAN card.
Advantages
The adapter provides a straightforward way to enable wireless networking via a USB port and supports data rates up to 150 Mbit/s on the 2.4 GHz band. Compact dimensions and an integrated antenna reduce clutter and allow permanent connection without external aerials. Backward compatibility with older 802.11b/g devices ensures interoperability with existing routers and access points, while WPA/WPA2 support offers standard wireless encryption for secure network access.
Suitable for
 Adding Wi‑Fi to desktop PCs without built‑in wireless
 Upgrading older laptops to Wi‑Fi 4 (802.11n) performance
 Basic web browsing and streaming in single‑band 2.4 GHz environments
 Light file transfers and everyday network tasks
Key specifications
 Wireless standard: IEEE 802.11n (Wi‑Fi 4), backward compatible with 802.11g and 802.11b
 Frequency band: 2.4 GHz single band
 Maximum data rate: up to 150 Mbit/s
 Host interface: USB (USB‑powered)
 Antenna: integrated
 Colour: black
 Security: WPA and WPA2 encryption support
How to use
Insert the DWA-121 into an available USB port on your desktop or laptop. Install any required drivers or utilities provided by the operating system or D-Link, then use the system’s wireless network manager to scan for available networks. Select your access point or router, enter the network passphrase if the network is secured, and connect. The adapter is USB‑powered and requires no external power supply.
Usage recommendations
Place the adapter in a USB port with a clear line of sight to the wireless router where possible and avoid locating it near large metal objects or sources of electromagnetic interference. Use WPA2 encryption for best security and maintain updated drivers to ensure compatibility and performance.

## Specifications

| Feature | Value |
|---|---|
| Wi-Fi standards | Wi-Fi 4 (802.11n), 802.11b, 802.11g |
| Pallet gross width | 1200 mm |
| Pallet gross length | 1100 mm |
| Shipping (inner) case width | 295 mm |
| Shipping (inner) case length | 435 mm |
| Shipping (inner) case height | 295 mm |
| Shipping (inner) case gross weight | 4780 g |
| Products per shipping (inner) case | 80 pc(s) |
| Harmonized System (HS) code | 85176990 |
| Shipping (inner) case net weight | 4080 g |
| Pallet gross weight (air) | 254440 g |
| Master (outer) cases per pallet (air) | 48 pc(s) |
| Products per pallet (air) | 3840 pc(s) |
| Pallet height (air) | 1995 mm |
| Pallet gross weight (sea) | 254440 g |
| Master (outer) cases per pallet (sea) | 48 pc(s) |
| Products per pallet (sea) | 3840 pc(s) |
| Pallet height (sea) | 1995 mm |

### Ports & interfaces

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

### Bandwidth

| Feature | Value |
|---|---|
| Maximum data transfer rate | 150 Mbit/s |

### Network

| Feature | Value |
|---|---|
| Networking standards | IEEE 802.11b, IEEE 802.11g, IEEE 802.11n |
| Ethernet LAN | No |

### 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 |
|---|---|
| Antenna type | Integrated |
| Frequency range | 2.4 - 2.4835 |

### Performance

| Feature | Value |
|---|---|
| Security algorithms | WPA2-PSK, WPA-EAP, WPA-PSK, WPA2-EAP |
| Mac operating systems supported | Y |

### Design

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Package weight | 5 g |
| Height | 6.1 mm |
| Width | 14.3 mm |
| Depth | 18.6 mm |
| Package depth | 138 mm |
| Package height | 20 mm |
| Package width | 138 mm |

### Power

| Feature | Value |
|---|---|
| Output voltage | 5 |
| USB powered | Yes |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 90 |
| Storage temperature (T-T) | -20 - 65 |
| Operating temperature (T-T) | 0 - 40 |

### Certificates

| Feature | Value |
|---|---|
| Certification | FCC B, IC, WPS |

### Other features

| Feature | Value |
|---|---|
| Compatible operating systems | Windows XP/Vista/7 |
| Link/Act LED | Yes |

## FAQ

### How much does the D-Link DWA-121 network card DWA-121 cost, and is it available for purchase?

The price is 13.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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, 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 D-Link 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 D-Link 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.

## Image

https://aio.lv/img/cache/product/3999802/58666057_large.webp