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117.14 USD
117.14 USD
D-Link DWA-121 Wireless N 150 Micro USB Adapter, WPS, WPA2, 150 Mbps, Compatible with Windows, Mac and Linux, Ultra Portable
D-Link (0763615849388 / DWA-121) - Integrated - Wireless - USB - WLAN - Certification: FCC B, IC, WPS - Networking standards: IEEE 802.11b,IEEE 802.11g,IEEE 802
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Product Overview
The D-Link DWA-121 Wireless N 150 Micro USB Adapter is a compact, high‑performance Wi‑Fi solution designed for laptops, desktops, and other USB‑enabled devices. With its Wi‑Fi 4 (802.11n) capability, the adapter delivers up to 150 Mbps, ensuring smooth streaming, gaming, and file transfers on a single 2.4 GHz band.
Key Features
- Ultra‑Portable Design: Only 6.1 mm thick and 18.6 mm long, it fits comfortably in any laptop’s USB port without adding bulk.
- Integrated Antenna: Built‑in antenna provides reliable signal reception while keeping the form factor sleek.
- WPS & WPA2 Support: Quick pairing via WPS and secure encryption with WPA-EAP, WPA-PSK, WPA2-EAP, WPA2-PSK.
- Cross‑Platform Compatibility: Works seamlessly on Windows XP/Vista/7, Mac OS X, and most Linux distributions.
- USB 2.0 Powered: Draws power directly from the USB port, eliminating the need for external adapters.
- Single‑Band (2.4 GHz): Focused on the widely supported 2.4 GHz spectrum, ideal for environments where dual‑band routers are unavailable.
Technical Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 2.4 – 2.4835 GHz |
| Maximum Data Rate | 150 Mbps |
| Wireless Standards | IEEE 802.11b/g/n (Wi‑Fi 4) |
| Security Algorithms | WPA-EAP, WPA-PSK, WPA2-EAP, WPA2-PSK |
| USB Interface | USB 2.0 |
| Dimensions (mm) | Height 6.1 × Width 14.3 × Depth 18.6 |
| Weight | 5 g |
| Operating Temperature | 0 – 40 °C |
| Storage Temperature | -20 – 65 °C |
| Humidity Range | 10 – 90 % |
| Certification | FCC B, IC, WPS |
| Color | Black (Nero) |
Installation & Setup
Plug the adapter into an available USB port. The device is plug‑and‑play; drivers are automatically detected on supported operating systems. For Windows, a brief driver installation may be required; for Mac and Linux, the built‑in kernel modules handle the connection.
Use Cases
- Laptop Users: Adds Wi‑Fi capability to older laptops lacking built‑in wireless adapters.
- Desktop Enthusiasts: Provides a lightweight alternative to bulky PCIe cards.
- Travel Professionals: Its slim profile makes it ideal for business travelers needing reliable connectivity on the go.
- Home Networking: Enhances coverage in rooms where router signals are weak, acting as an additional access point when paired with a compatible router.
Performance Highlights
In real‑world testing, the DWA-121 consistently delivers stable connections up to 150 Mbps on a single 2.4 GHz band. The integrated antenna ensures minimal signal loss, while WPS simplifies network onboarding for users who prefer quick setup over manual key entry.
Environmental & Compliance
The adapter meets stringent regulatory standards: FCC B, IC, and WPS. Its robust construction allows operation across a wide temperature range, making it suitable for both office environments and field use.
Conclusion
The D-Link DWA-121 Wireless N 150 Micro USB Adapter combines portability, compatibility, and solid performance in a single, affordable package. Whether you’re upgrading an older laptop, expanding desktop connectivity, or need a reliable travel companion, this adapter delivers dependable Wi‑Fi on the widely supported 2.4 GHz band.
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| Tags | Adapter Micro usb adapter Mac adapter Windows adapter Usb adapter External adapter Adapter external Adapter mac Adapter windows Wireless n adapter Adapter wifi Wi-Fi adapter WPS adapter USB adapter wps Adapter usb 2.0 USB Adapter Mac Linux adapter USB adapter micro usb USB adapter wpa2 USB adapter 150 Mbps USB adapter windows USB adapter linux USB adapter ultra portable USB adapter 54Mbps USB adapter ieee 802.11n USB adapter usb 2.0 Adapter micro usb Adapter wireless n Adapter 150 Mbps Adapter wpa2 Adapter linux Adapter ultra portable Adapter 54Mbps Adapter ieee 802.11n 150 Mbps adapter WPA2 adapter Ultra Portable adapter IEEE 802.11n adapter |
| Identifiers | |
| Brand |  D-Link is a Taiwanese networking equipment manufacturer that produces a wide range of products for the consumer, small business, and enterprise markets. Some of their most popular products include wireless routers, switches, and network attached storage devices. D-Link has a strong reputation for quality and reliability, and their products are often praised for their feature-richness and ease of use. |
| Model | D-Link DWA-121 |
| MPN | D-Link DWA-121 |
| ID | 3152528 |
| Dimensions / Weight | |
| Key Features | |
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Antenna type The classification of an antenna used in a device, indicating its physical configuration or mounting style such as external, internal, integrated, directional, omnidirectional, or multi‑antenna setups (e.g., "2x2", "4 x External"). It helps buyers understand how the antenna is attached and what signal coverage it may provide.
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Integrated |
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Certification A list of official certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.
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FCC B, IC, WPS |
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Compatible operating systems List of operating systems that the product can run or support, including specific versions and architectures when relevant. Each value represents a distinct OS that is compatible with the hardware or software.
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Windows XP/Vista/7 |
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Connectivity technology The network and data interface technologies supported by the product, such as Wired, Wireless, USB, Bluetooth, or combinations thereof. Each value represents a distinct technology that can be used for communication or power delivery.
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Wireless |
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Depth The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.
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18.6 mm |
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Ethernet LAN Indicates whether the product includes an Ethernet LAN interface for wired network connectivity, allowing data transmission over RJ‑45 or compatible cables.
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No |
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Frequency Range The span of frequencies, expressed in hertz (Hz), that a device can operate within or respond to. It may be given as a single value, a numeric range (e.g., "20 000‑50 000 Hz"), or an open‑ended interval such as "2.4 GHz+" indicating the lower bound only.
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2.4 - 2.4835 GHz |
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Height The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.
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6.1 mm |
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Host interface List of physical or logical interfaces that allow communication between a host device and other components, such as USB, PCI Express, SATA, M.2, Ethernet, Thunderbolt, or similar standards.
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USB |
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Interface List of physical or logical interfaces that allow communication between a hard drive and other devices, such as SATA, M.2 PCIe, U.2, SAS, NVMe, or other standard connections.
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WLAN |
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Internal Indicates whether the product is designed to be installed inside a computer system, such as an internal hard drive, SSD, or network card. A value of "Yes" means it can be mounted within the chassis; "No" indicates it is intended for external use.
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No |
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Mac operating systems supported A list of macOS operating system versions that the product supports or is compatible with, such as "macOS 10.15 Catalina", "macOS 11 Big Sur" or newer releases. Each entry represents a distinct OS version that can run on or be supported by the device.
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Yes |
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Maximum data transfer rate The highest theoretical speed at which a device can send or receive data, expressed in bits per second (bps) or its multiples such as kbps, mbps, gbps, etc. This value represents the upper bound of throughput under optimal conditions and is useful for comparing performance across devices and interfaces.
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150 Mbit/s |
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Networking standards A list of the networking protocols and standards that a device can support or comply with, such as IEEE 802.11 variants for wireless, IEEE 802.3 for Ethernet, or other relevant networking specifications. The values are typically separated by commas and may include both technical identifiers and consumer‑friendly labels.
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IEEE 802.11b,IEEE 802.11g,IEEE 802.11n |
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Output voltage The electrical potential difference that a device delivers to its load, expressed in volts (V). It indicates the nominal voltage supplied by the product’s power output and is useful for matching it with compatible accessories or systems.
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5 V |
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Package depth The linear measurement from front to back or top to bottom of a product’s packaging, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the packaged item is and can be used for fitting, compatibility, or spatial planning.
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138 mm |
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Package Height The vertical dimension of a product’s packaging measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and helps customers assess how tall the package will be when stored or shipped.
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20 mm |
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Pallet length The linear dimension of a pallet measured in a standard unit such as meters, centimeters or inches. It represents the overall length from one end to the other and is used to compare the size of pallets across different products and logistics contexts.
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110 cm |
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Pallet width The horizontal measurement of a pallet, expressed in a linear unit such as millimetres or inches. It indicates how wide the pallet is from one side to the other and helps customers assess fit for storage, shipping, or display.
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120 cm |
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Security algorithms Una lista de los algoritmos criptográficos y protocolos de seguridad que el producto soporta, como cifrado (AES, WEP), autenticación (WPA2-PSK, EAP-TLS) o protocolos de red (HTTPS, SSH). Cada elemento describe un algoritmo individual; la lista puede contener varios valores separados por comas.
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WPA-EAP,WPA-PSK,WPA2-EAP,WPA2-PSK |
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Top Wi-Fi standard A list of the wireless networking protocols and frequency bands that a device can connect to, such as IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, Wi‑Fi 4 (802.11n), Wi‑Fi 5 (802.11ac) or Wi‑Fi 6 (802.11ax). The values are typically separated by commas and may include both the technical name and a consumer‑friendly label.
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Wi-Fi 4 (802.11n) |
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USB powered Indicates whether the device receives its power supply through a USB connection. A value of "Yes" means the product can be powered directly from a USB port, while "No" indicates it requires an external power source.
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Yes |
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Wi-Fi Indicates whether the product has built‑in Wi‑Fi capability, allowing it to connect to wireless networks without requiring external adapters or dongles.
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Yes |
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Wi-Fi band A textual description of the Wi‑Fi frequency bands supported by a device, such as "Dual-band (2.4 GHz / 5 GHz)" or "Tri‑band (2.4 GHz / 5 GHz / 5 GHz)". The value indicates which radio frequencies are available for wireless communication and helps users understand the device’s connectivity capabilities.
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Single-band (2.4 GHz) |
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Wi-Fi standards A list of the wireless networking protocols and frequency bands that a device can connect to, such as 802.11a, 802.11b, 802.11g, Wi‑Fi 4 (802.11n), Wi‑Fi 5 (802.11ac) or Wi‑Fi 6 (802.11ax). The values are typically separated by commas and may include both the technical name and a consumer‑friendly label.
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802.11b,802.11g,Wi-Fi 4 (802.11n) |
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Width The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.
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14.3 mm |
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