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HP 411940-291 Mini PCI-E 802.11a/b/g Wireless LAN Network Card
- Product Type: Wireless Network Card
- Form Factor: Mini PCI-E
- Standards: 802.11a, 802.11b, 802.11g
- Frequency Bands: 2.4GHz (b/g), 5GHz (a)
- Interface: Mini PCI Express
- Manufacturer: HP
- Antenna Connectors: Typically 2 (for diversity)
- Data Rate: Up to 54 Mbps (802.11g)
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Product Overview
HP 411940-291 is a Mini PCI-E wireless network card supporting the 802.11a/b/g standards. It provides wireless connectivity for laptops and other devices equipped with a compatible Mini PCI-E slot.
Technical Information
| Product Type | Wireless Network Card |
| Part Number | 411940-291 |
| Manufacturer | HP |
| Form Factor | Mini PCI-E |
Additional Specifications
| Wireless Standards | 802.11a/b/g |
| Frequency Bands | 2.4 GHz, 5 GHz |
| Interface | Mini PCI Express |
Product Description
The HP 411940-291 is a Mini PCI-E wireless network adapter that enables wireless connectivity for compatible HP laptops and other devices. This card adheres to the older but widely supported 802.11a, 802.11b, and 802.11g wireless standards. The 802.11b/g standards operate in the 2.4GHz frequency band, offering maximum theoretical data rates of 11Mbps and 54Mbps respectively. The 802.11a standard operates in the less congested 5GHz band, also providing a maximum theoretical data rate of 54Mbps. This card utilizes the Mini PCI Express (Mini PCI-E) form factor, which was a common interface for internal wireless cards in laptops manufactured during the mid-2000s to early 2010s. It typically requires two antenna connectors for optimal signal reception and transmission, often utilizing diversity techniques to improve connection stability. The card would have been integrated into HP business notebooks or workstations that featured a Mini PCI-E slot for expansion. While newer Wi-Fi standards like 802.11n, 802.11ac, and Wi-Fi 6 offer significantly higher speeds and better performance, the 802.11a/b/g standard remains functional for basic internet browsing, email, and accessing older wireless networks. The HP 411940-291 serves as a replacement part or an upgrade option for systems that originally shipped with or support this specific type of wireless card.
