| System requirements | |
| Compatible operating systems | Windows XP/Vista/7 |
| Mac operating systems supported | ![]() |
| Ports & interfaces | |
| Interface | WLAN |
| Connectivity technology | Wireless |
| Host interface | USB |
| USB version | USB 2.0 |
| Weight & dimensions | |
| Height | 6.1 mm |
| Width | 14.3 mm |
| Depth | 18.6 mm |
| Energy management | |
| Output voltage | 5 V |
| USB powered | ![]() |
| Operational conditions | |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage temperature (T-T) | -20 - 65 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Networking | |
| Wi-Fi standards | 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
| Security algorithms | WPA-EAP, WPA-PSK, WPA2-EAP, WPA2-PSK |
| Maximum data transfer rate | 150 Mbit/s |
| Ethernet LAN | ![]() |
| Frequency band | 2.4 GHz |
| Networking standards | IEEE 802.11b, IEEE 802.11g, IEEE 802.11n |
| Bluetooth | ![]() |
| Wi-Fi | ![]() |
| WLAN data transfer rates supported | 150 Mbit/s |
| Frequency range | 2.4 - 2.4835 GHz |
| Wi-Fi band | Single-band (2.4 GHz) |
| Top Wi-Fi standard | Wi-Fi 4 (802.11n) |
| Packaging data | |
| Package weight | 40 g |
| Package depth | 138 mm |
| Package height | 20 mm |
| Package width | 138 mm |
| Other features | |
| Link/Act LED | ![]() |
| Status | End of Life |
| Design | |
| Internal | ![]() |
| Certification | FCC B, IC, WPS |
| Antenna type | Integrated |
| Product colour | Black |
| Component for | PC/notebook |
| Features | |
| Data transfer rate | 0.150 Gbit/s |
| Logistics data | |
| Pallet gross width | 120 cm |
| Pallet gross length | 110 cm |
| Shipping (inner) case width | 29.5 cm |
| Shipping (inner) case length | 43.5 cm |
| Shipping (inner) case height | 29.5 cm |
| Shipping (inner) case gross weight | 4.78 kg |
| Products per shipping (inner) case | 80 pc(s) |
| Harmonized System (HS) code | 85176990 |
| Shipping (inner) case net weight | 4.08 kg |
| Pallet gross weight (air) | 254.4 kg |
| Master (outer) cases per pallet (air) | 48 pc(s) |
| Products per pallet (air) | 3840 pc(s) |
| Pallet height (air) | 199.5 cm |
| Pallet gross weight (sea) | 254.4 kg |
| Master (outer) cases per pallet (sea) | 48 pc(s) |
| Products per pallet (sea) | 3840 pc(s) |
| Pallet height (sea) | 199.5 cm |
| EAN | 0790069347481 |
| Warranty | 2 years |
The D-Link DWA-121 Wireless N 150 Pico USB Adapter provides wireless connectivity for PCs and notebooks. It connects to a standard USB 2.0 port to access local networks using the Wi-Fi 4 (802.11n) standard. The device supports data transfer speeds of up to 150 Mbit/s. As the adapter is dedicated to Wi-Fi, it does not provide wired Ethernet or Bluetooth connectivity.
The adapter features a "pico" form factor to minimize its profile when connected. The black casing measures 18.6 mm by 14.3 mm, allowing it to remain plugged in during transit. It is bus-powered (5 V), removing the need for an external power supply. A built-in LED indicates active network connections and data activity, while the slim design ensures adjacent USB ports remain accessible.
Key Features:- Operates in the 2.4 GHz frequency band (2.4–2.4835 GHz)
- Backward compatible with IEEE 802.11b and 802.11g wireless networks
- Compatible with Windows 7, Windows Vista, and Windows XP
- Supports WPA-EAP, WPA-PSK, WPA2-EAP, and WPA2-PSK encryption
- Integrated antenna design with a height of only 6.1 mm
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- leaflet (English)
- Image of packaging (English)
- manual pdf (English)


