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Syba newegg SYBA SD-EXP24010 ExpressCard 1x RJ45 Gigabit Ethernet Card, 34mm, Realtek Chipset
  (19)
  •  10/100/1000Mbps
  •  RJ-45
  • Type: ExpressCard Ethernet Adapter
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Max Data Rates: 10/100/1000Mbps
  • Ports: RJ-45
  • Model #: SD-EXP24010
  • Item #: N82E16839328041
  • Return Policy: Standard Return Policy

STARTECH newegg StarTech EC1000S ExpressCard Gigabit Ethernet Network Adapter Card
  (12)
  •  10/100/1000Mbps
  •  RJ-45
  • Type: ExpressCard Ethernet Adapter
  • Max Data Rates: 10/100/1000Mbps
  • Ports: RJ-45
  • Operating Systems Supported: Windows 2000 Windows XP (32/64bit) Windows Server 2003 (32/64bit) Windows Vista (32/64bit) Windows 7 (32/64bit) Windows Server 2008 R2 Linux Unix Mac OS 10.4.x Mac OS 10.5.x
  • Model #: EC1000S
  • Item #: N82E16839158038
  • Return Policy: 45/1 Return Policy

STARTECH newegg StarTech EC2000S Dual Port ExpressCard Gigabit Laptop Ethernet NIC Network Adapter Card
  (1)
  •  10/100/1000Mbps
  •  2 x RJ-45 Female
  • Type: ExpressCard Ethernet Adapter
  • Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x, IEEE 802.1Q
  • Max Data Rates: 10/100/1000Mbps
  • LEDs: 2 - Gigabit Link 2 - Link/Activity
  • Model #: EC2000S
  • Item #: N82E16839158043
  • Return Policy: 45/1 Return Policy

Linksys newegg LINKSYS WPC54G Wireless-G Notebook Adapter
  (71)
  •  54Mbps
  •  WEP, AES, TKIP, IEEE 802...
  • Type: 802.11g PCMCIA Wireless Adapter
  • Standards: IEEE802.11b/g
  • Max Data Rates: 54Mbps
  • LEDs: Power, Link
  • Model #: WPC54G
  • Return Policy: View Return Policy
  • from $26.49
  • Free Shipping

D-Link newegg D-Link DWA-642 RangeBooster N Notebook Adapter
  (42)
  •  Wired Equivalent Privacy...
  •  Wi-Fi Protected Access (...
  • Type: 802.11b/g/n CardBus Wireless Adapter
  • Standards: IEEE 802.11n (draft) IEEE 802.11g IEEE 802.11b
  • LEDs: Link, Activity
  • Interface: 32bit CardBus
  • Model #: DWA-642
  • Return Policy: View Return Policy
  • from $42.95
  • Free Shipping

TRENDnet newegg TRENDnet TEW-421PC 802.11g Wireless PC Card
  (221)
  •  Wi-Fi Compliant with IEE...
  •  Uses 2.4 GHz Frequency B...
  •  Supports Ad-Hoc (Peer-to...
  • Type: 802.11g PCMCIA Wireless Adapter
  • Standards: IEEE802.11b/g
  • Max Data Rates: 54Mbps
  • Interface: 32bit CardBus Type II
  • Model #: TEW-421PC
  • Item #: N82E16833156140
  • Return Policy: View Return Policy

"Ide to Sata or Sata to IDE Converter Adaptor ATA 100/133 Bi-directional Card with 40pin IDE 4pin Powet Port Serial ATA Port "
  • $15.00
  • $7.33
  • Save: 51%
  • Free Shipping

PCI 10M/100M card PCI cards for computers network card D-LINK DFE-530TX adaptive card of PCI
  •  PCI 10M/100M card PCI c...
  • Type: 802.11g PCMCIA Wireless Adapter
  • Standards: PCI 10M/100M card PCI cards for computers network card D-LINK DFE-530TX adaptive card of PCI
  • Max Data Rates: PCI 10M/100M card PCI cards for computers network card D-LINK DFE-530TX adaptive card of PCI
  • Features: PCI 10M/100M card PCI cards for computers network card D-LINK DFE-530TX adaptive card of PCI
  • Model #: PCI 10M/100M card
  • Item #: 9SIA6U42980339
  • Return Policy: View Return Policy
  • $16.99
  • $7.09
  • Save: 58%
  • Free Shipping

Linksys newegg LINKSYS WPC55AG Notebook Adapter
  (7)
  •  54Mbps
  •  WEP, LEAP, WPA
  •  WEP Key Bits:64, 128, 15...
  • Type: 802.11a/b/g CardBus Wireless Adapter
  • Standards: IEEE802.11a/b/g
  • Max Data Rates: 54Mbps
  • LEDs: Power, Link
  • Model #: WPC55AG
  • Return Policy: View Return Policy
  • from $52.95
  • Free Shipping

Netgear Inc. newegg NETGEAR WG511 Wireless PC Card
  (35)
  •  54Mbps
  •  40-bit (also called 64-b...
  • Type: 802.11b/g CardBus Wireless Adapter
  • Standards: IEEE802.11b/g
  • Max Data Rates: 54Mbps
  • Interface: 32bit CardBus
  • Model #: WG511NA
  • Item #: 9SIA3FA3249844
  • Return Policy: View Return Policy
  • $36.35
  • Free Shipping

2 Port RS232 9 Pin Ports Serial PCI Expansion Card
  • Type: 2 Port RS232 9 Pin Ports Serial PCI Expansion Card
  • Model #: 2 Port RS232
  • Item #: 9SIA6U42J44564
  • Return Policy: View Return Policy
  • $15.00
  • $12.00
  • Save: 20%
  • Free Shipping

Notebook Expresscard to USB 3.0 Dual Port Adapter (5 Gbps) For Laptop PC 34/54mm slot NEC UPD720202 Chipset
  • $14.99
  • $7.50
  • Save: 50%
  • Free Shipping


Laptop Wireless Cards

Wi-Fi connectivity makes a laptop even more useful to its owner. Most people use their computers as gateways to the internet, so it can be frustrating if they can't go online because they can't find an ethernet cable. Consumers can buy wireless cards for laptops so their devices can connect with a signal from anywhere.

These cards need to be installed to a computer's motherboard to use a wireless signal. Many of the available models come with tutorials and instruction guides, so even shoppers who aren't tech-savvy can easily install their new purchase.

Laptop wireless cards act as internal receivers, allowing a computer to connect to the internet over the air without an ethernet cord. Users who are on the go need this added convenience so their devices can be fully functional anywhere there's a wireless signal. For example, college students can install a card so their laptops work in class and in the library - not just in their dorm rooms or apartments.

A laptop must be within a certain proximity to a Wi-Fi router to receive the signal, as the card itself does not generate web connectivity. Fortunately, many establishments, ranging from coffee shops to public libraries, provide wireless web access, so everyone can find a place to go online.

For users who want to add an ethernet connection to their notebook, there are cards with jacks for cords. Manufacturers have begun producing slim laptops that remove ethernet ports to reduce the devices' overall weight. Much like a wireless card, these units are installed internally but have an external attachment intended for a wired connection.

You should make sure the wireless card you're thinking about purchasing matches your computer's hardware specifications. Access points must have driver support to function properly, so be sure to check what your system is capable of supporting.

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