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Dell D4V21 DW1820 Bluetooth 4.1 Mini WLAN Wireless WiFi Card
- Integrated WLAN (Wi-Fi) and Bluetooth 4.1
- Model: DW1820
- Mini PCIe form factor
- Suitable for laptops and SFF PCs
- Provides wireless internet access
- Enables Bluetooth device connectivity
- Dual-band Wi-Fi support (often)
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Product Overview
The Dell D4V21 is a DW1820 wireless card that combines Bluetooth 4.1 and WLAN (Wi-Fi) capabilities. It is a Mini PCIe card, typically used in laptops and small form factor devices, offering integrated wireless and Bluetooth connectivity.
Technical Information
| Bluetooth Version | 4.1 |
| Form Factor | Mini PCIe |
Additional Specifications
| Chipset | DW1820 |
Product Description
The Dell D4V21, identified by its DW1820 chipset, is a versatile wireless communication module designed to provide both Wi-Fi and Bluetooth connectivity in a single, compact unit. This card is typically found in laptops and other portable devices where space is at a premium, offering users the convenience of integrated wireless networking and peripheral connectivity. The inclusion of Bluetooth 4.1 ensures compatibility with a wide range of modern Bluetooth devices, such as headphones, speakers, keyboards, and mice. As a Mini PCIe card, the D4V21 is designed to slot into a compatible Mini PCIe slot on a motherboard. This form factor is common in many laptops manufactured over the past decade. The card supports standard Wi-Fi protocols, often including dual-band (2.4GHz and 5GHz) operation, which allows for faster speeds and less interference when connecting to compatible wireless routers. This dual functionality simplifies the internal hardware of a device and reduces the need for separate cards. By integrating both Wi-Fi and Bluetooth, the Dell D4V21 streamlines device connectivity, allowing users to access the internet wirelessly and connect to Bluetooth accessories simultaneously. This makes it an essential component for mobile computing, providing a comprehensive wireless solution for everyday tasks, from browsing the web to connecting peripherals.
