D-Link DWA-121 Wireless N 150 Pico USB Adapter (150 Mbps) 2.4 GHz
SKU: DWA-121Networking › Routers & Access Points
Please enquire before ordering
The distributor has not yet confirmed the latest price and availability (last checked Aug 27, 2026)
092-251-4017Awaiting stock confirmationManufacturer's warranty
GenuineFree delivery from ฿5,000Tax invoice
Compact portable Wi-Fi adapter for notebooks or desktops, supporting Wireless N standard with maximum speed of 150 Mbps at 2.4 GHz, simply plug into a USB port for easy setup
Key features
- Supports Wi-Fi 802.11n with maximum speed of 150 Mbps
- Uses USB 2.0 port for connectivity
- Compact and portable design
- Supports Windows, Mac, and Linux operating systems
- Connects to networks immediately without requiring additional driver installation in many cases
Product description
The D-Link DWA-121 is a compact portable Wi-Fi adapter that enables any computer to connect to wireless networks quickly and reliably. It supports the Wireless N standard with a maximum speed of 150 Mbps at the 2.4 GHz frequency band, offering improved speed and range compared to older 802.11g/b standards. Compatible with Windows, Mac, and Linux operating systems, it often works without requiring additional driver installation. Its compact design fits snugly into a USB port without interfering with other devices.
Pros and limitations
Pros
- Compact size, plugs in without obstructing other ports
- Supports Wireless N standard with faster speeds than 802.11g/b
- Connects immediately to multiple major operating systems
- Easy to use, no complex driver installation required
- Affordable price for basic Wi-Fi expansion
Limitations
- Supports only 2.4 GHz frequency band, no dual-band mode
- Maximum speed limited to 150 Mbps
- Product has reached end of life (End of Life)
Who it is for
Ideal for general users who want to add Wi-Fi capability to desktop computers or notebooks that lack a wireless port, especially in environments requiring basic speed for web browsing, chatting, and streaming light content.
Specifications (19)
- Weight
- 7 g
- Antenna
- Built-in
- Revision
- B
- Standard
- IEEE 802.11n, IEEE 802.11g, IEEE 802.11b
- Interface
- USB 2.0
- Dimensions
- 50 x 16.5 x 8 mm
- Encryption
- 64/128-bit WEP
- Form Factor
- Pico USB
- Connectivity
- Wireless N
- Manufacturer
- D-Link Corporation
- Compatibility
- Windows, Mac, Linux
- LED Indicator
- Status LED
- Frequency Band
- 2.4 GHz
- Product Status
- End of Life
- Type of device
- USB Wi-Fi adapter
- Wireless speed
- 150 Mbps 2.4 GHz
- Package Contents
- DWA-121 USB Adapter, Quick Setup Guide
- Power Consumption
- Low power consumption
- Operating System Support
- Windows 10, Windows 8.1, Windows 7, macOS 10.12 or later, Linux kernel 2.6+
Datasheets and manuals straight from the manufacturer — select a document to open or download it.
13 questions
Frequently asked questions about this product
Compiled from manufacturer information
Can DWA-121 be used with Windows 11?
Yes, the DWA-121 supports Windows 10, 8.1, and 7. It can also work on Windows 11 using the built-in drivers or by downloading drivers from the D-Link website. If it does not work, verify that the driver is correctly installed.
Can it be used with Mac?
Yes, the DWA-121 supports macOS 10.12 or later. In many cases, no additional driver installation is required, as Mac operating systems include standard drivers for common Wi-Fi devices.
Does it support Wi-Fi 6?
No, it does not support Wi-Fi 6. The DWA-121 is a Wireless N adapter that only supports 802.11n/g/b standards, which are from the era before Wi-Fi 6 (802.11ax).
Can it be used with Linux?
Yes, the DWA-121 supports Linux kernel 2.6 and later. Drivers are available for multiple Linux distributions. Check the D-Link website or use Linux's automatic driver support.
Do I need additional drivers?
In many cases, no additional driver is needed, as major operating systems like Windows, Mac, and Linux include standard drivers for common USB Wi-Fi devices. However, if it fails to connect, download the driver from the D-Link website.
Can it be used with a Wi-Fi 5 router?
Yes, the DWA-121 supports 802.11n/g/b standards, including backward compatibility with Wi-Fi 5 (802.11ac) routers, and can connect in 2.4 GHz mode.
Does it have an LED indicator?
Yes, the DWA-121 has an LED indicator that blinks when data is being sent or received, clearly showing connection status.
Can it be used with a 5 GHz router?
No, it cannot be used because the DWA-121 only supports the 2.4 GHz frequency band and cannot connect to 5 GHz or dual-band Wi-Fi networks.
Is it in stock?
We are confirming the latest stock and price of the D-Link DWA-121 Wireless N 150 Pico USB Adapter (150 Mbps) 2.4 GHz with the distributor. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How much does it cost?
The distributor has not yet confirmed the latest price and availability. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How long is the warranty?
The warranty follows the manufacturer's terms for each model; ask our sales team for the warranty period of this model. To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.
How long does delivery take?
Orders placed before 12:00 on a business day are delivered within 1–3 business days (Bangkok and vicinity) or 2–5 business days (other provinces). Free delivery on orders of ฿5,000 or more (a ฿150 delivery fee applies below this amount).
Is it genuine?
Genuine products sourced from distributors in Thailand, covered by the manufacturer's warranty. Full tax invoices are available.
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Genuine products
Sourced from distributors in Thailand and covered by the manufacturer's warranty
Warranty period
According to the manufacturer's terms for each model
Covered by the manufacturer's warranty; you can make claims through GIST
Claims through GIST
Ship the product to our head office or bring it in person
Warranty conditions
- A receipt or other proof of purchase is required
- The product must not have been modified or altered
- Damage caused by misuse is not covered by the warranty
- To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.Head office: 554 Sky Nine Center, Floor 12A, Room 554/62, Asok-Din Daeng Road, Din Daeng Subdistrict, Din Daeng District, Bangkok 10400
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