Wireless Wifi Pcmcia
2010
Wireless Wifi Pcmcia
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US $14.99
Network Interface Cards (NIC)
A NIC (network interface card) is designed to speak over a computer network. It allows users to attach to every different either by using cables or wirelessly if the NIC could be a wireless NIC (WiFi/WNIC). Each entity on a network, a PC, printer, router, etc., that desires to communicate with other devices should have a NIC if it is to speak over the network. On older computers, the NIC is most likely an growth card, typically PCI or PCI express. High performance cards will value less that $30. NIC functionality is now usually integrated into the motherboard chipset or implemented with an infatuated Ethernet chip on the motherboard.
An analogous scenario is true for laptop computers. At just the once, a PCMCIA network card would be employed in a laptop pc for the NIC just because the PCI card was utilized in desktop pc, however currently, NIC functionality is usually integrated with the motherboard.
Ethernet is that the dominant normal for cable connections for wired computer networks. An Ethernet connector looks almost like a telephone connector, solely larger. This connector is termed "RJ45". Ethernet cables are either a shielded or unshielded cable of four twisted pairs of twenty four AWG connectors, specified at a hundred ohm impedance. Maximum cable length for CATX cables is a hundred meters.
Early versions of Ethernet cables were CAT3 or CAT4 (CAT being short for category). These versions weren't long lived. CAT5 and CAT5e are currently the most commonly used cables (bandwidth of a hundred MHz, a hundred Mbps), with CAT6 (bandwidth of 250 MHz, 1 Gbps) out there and the configuration of the near-future. A CAT7 cable (bandwidth of 600 MHz) specification is in development, and ought to be obtainable in an exceedingly few years.
Every Ethernet NIC has a distinctive serial range called a "media access code" (MAC address) that's used to spot the NIC and associated laptop on the network. No two NIC will have the same address, as a result of the NIC makers should purchase blocks of addresses from the Institute of Electrical and Electronics Engineers (IEEE).
NIC cards are capable of various speeds. Speeds of up to one gigabit per second (Gbps) are now available. 2 NIC will communicate if they differ in speed ratings, but they can communicate at the rate of the slower NIC.
On a very simple network, NIC will be used to link personal computers (PC). If the computers are connected directly to at least one another, the network is a "peer-to-peer" (P2P, additionally referred to as an "circumstantial") network. If computers are connected directly to 1 another, a "cross-over" Ethernet cable is required (additionally referred to as a "Null-Modem cable"). This cable is not "straight-through" like customary Ethernet, however crosses the send and receive connectors, so that send line from pc A connects to the receive line of laptop B.
For networks of a few computers, a "hub" will be used, with all of the computers connected to the hub. Any message sent from any PC will be seen by all of the computers, however solely the computer with the correct MAC address will receive the message. P2P networks are helpful for many purposes. File and printer sharing are the foremost common applications.
Networks with more than four active computers at a time can benefit from employing a "network switch" rather than a hub. A network switch can direct the message to the acceptable destination, instead of each message packet being broadcast across the network. Laptop A will send a message to pc B, whereas simultaneously, pc C sends a message to pc D. This increases the efficiency of the network. This is a easy kind of a server network. An example of a client-server style is a computer server where the purchasers initiate a download or upload of files and therefore the server reacts. The server would also typically be accountable for interacting with printers and different servers on different networks, including satellite networks (SATCOM) or the Internet.
"Latency" is that the delay caused by a network to communicate data. Latency causes not solely slow service, however will result in information loss as well. Latency is typically tested by sending a message packet that is immediately returned to the sending computer. The round-trip time is defined as the latency.
Networking performance will be optimized for either latency or throughput. Networks will use a way known as "interrupt moderation" to increase throughput and lower CPU utilization by queuing message packets and issuing fewer interrupts to the CPU. A network optimized this method would favor large transfers, reducing transfer overhead. CPU and network throughput benefit, however network latency would increase. The alternative is to fragment every message and pipeline the fragments through the network. Multiple methods from supply to destination will permit overlapping. Latency will also be addressed with techniques like prefetching (anticipating the requirement for knowledge requests) and/or using multiple execution threads (multithreading).
There are two indicator LEDs on a typical NIC. One lit inexperienced LED indicates the pc is connected to the network. This can be called the "link" light. The second LED is amber in color. A flashing amber LED indicates message packet collisions are occurring. Occasional collisions are traditional on a busy network, but a frequently lit amber LED is a sign of problems. A quickly flashing link LED (green) could be a network activity indicator, that means that communication is occurring. If the inexperienced link lightweight is off, and also the amber LED is blinking, then the NIC is in "power save" mode.
A wireless network interface controller (WNIC) could be a NIC for connecting to a wireless network (WiFi). The quality for WiFi is IEEE 802.11. A WNIC uses an antenna to speak with an Rf signal, most typically at 2.4 GHz. Wireless connectivity development in recent years has closely paralleled wired connectivity. Like its wired cousin, a wireless card was once integrated with a PCI or PCMCIA add-on card. Now, integrated WNIC's are changing into common, especially for laptop computers.
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Free shopping 54Mbps Wireless PCMCIA WiFi 802.11G 2.4G LAN Card #9809 $10.66 54Mbps Wireless PCMCIA WiFi 802.11G 2.4G LAN Card |
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NEW HOT Sale 54Mbps WiFi 802.11G 2.4G Wireless PCMCIA LAN Card $11.58 1. 100% Brand New PCMCIA Card 2.54Mbps Wireless PCMCIA LAN Card 3.Complies with IEEE802.11g, IEEE802.11b |
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802.11b Wireless 2.4G WiFi Wi-Fi PCMCIA LAN Card $11.6 DESCRIPTION * 802.11b Wireless LAN PCMCIA Card * PCMCIA interface * Integrated antennas inside the card for faster throughput * Extremely low power consumption provides longer battery life * 2.4GHz frequency * Range in more than 280' indoors and nearly 800' outdoors! (depends on the Environment Factor) * Support WEP encryption * Radio Technology: Direct Sequence Spread Spectrum * Link/Activity LED * Automatically adjusts the data rates to optimum signal quality at 11Mbps, 5.5 Mbps, 2 Mbps, 1 Mbps * Plug and Play * 100% Brand New * Front Label may be varyOS Support: * Windows XPPackage Content: * PCMCIA Wi-Fi Wireless LAN Card * Driver |
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Xircom CWE1120NA Wireless B Ethernet PCmcia Wifi Card $26.65 Wireless B Ethernet Pcmcia Wifi Card. Warning: Computers and computer circuit boards as well as other electronic equipment contain lead which is a chemical known to the State of California to cause cancer or cause birth defects and other reproductive harm. Please wash hands after handling circuit boards and other internal components of computers and electronic equipment and avoid inhalation of fumes if heating the solder on the internal components or circuit boards. |
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copie à PCMCIA 802.11b / g 54Mbps Wireless WiFi carte d'extension pour les ordinateurs portables $4.63 Vue d'ensemble: 802.11b / g 54Mbps 2,4 - 2,4835 GHz WiFi / WLAN bande ISM cardbus pcmcia interface la ligne de mire range: 100m (indoor): 300 m (extérieur) - Le fabricant noté) Spécifications: Dimensions: 4,65 po x 2,13 po x 0,2 po Poids: 2.96 oz |
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AZiO (AWN254) 802.11G 54mb Wireless PCMCIA Adapter $18.49 AZiO (AWN254) 802.11G 54mb Wireless PCMCIA Adapter |
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ASANTE Wireless PCMCIA adapter with Xwing antennas AL1511 $11.56 ASANTE Wireless PCMCIA adapter with Xwing antennas AL1511 |
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Aluratek WMQ137AM 3G Wireless USB / PCMCIA Cellular Router $74.95 "Aluratek WMQ137AM Brand New Includes One Year Warranty, The Aluratek WMQ137AM 3G wireless USB / PCMCIA cellular router is a new 3G / 4G wireless routers that allow to get access of of Hi-speed internet connection anywhere you get a cellular signal. You can insert your USB cellular 3G / 4G modem into the router s USB port and you are all set. The 3G wireless USB is perfect solutions for setting up mobile work stations, providing internet access for conventions, tradeshows, and hotel rooms. It helps in instant HotSpot to allow multiple users to share internet access on cross country trips in a car, van or RV and is ideal for emergency services and first responders and many others. WMQ137AM Features: 3G Wireless USB / PCMCIA Cellular Router, Instant WiFi Hotspots at Any Location Where You Have 3G Connection, Web Based GUI for Router Management, Supports 3G USB Cellular Modems & PCMCIA Modem Cards, Supports NAT, Routing, Firewall, VPN Pass-Through & DHCP Server, Supports EV-DO, HSDPA & HSUPA, Supports 64/128 bit WEP & WPA/WPA2 Encryption, Compatible w/ 802.11b/g/n Devices, Work w/ Existing DSL or Cable Modem, Connection Wizard For Easy Setup, Requirements: -3G USB Modem, DSL Modem or Cable Modem -802.11b/g/n Enabled Device For Wireless Connection or RJ-45 Port For Wired Connection, For 802.11n, It Supports 1TIR Includes: 3G Desktop Router, Router stand, RJ-45 Cable, Antenna, Power adapter, Instructional Manual / CD, Warranty / Registration Card" |
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2.4GHz 9dBi Wireless WIFI Booster Ranger Extender Router Antenna WLAN $20.49 Description:2.4GHz Wireless WIFI Router Antenna for wireless LAN Card.Boost your wireless coverage with this 9dBi omni-directional Wi-Fi flexible antenna.Work with any wireless IEEE 802.11b/ g router/ AP/ PCI/ PCMCIA adapter with reverse SMA connector, improve signal strength and signal quality.Add more power and distance for your wireless network, help to clear up dead spots in your network.Operate with AP/Router with RP SMA connectorThe 2.4GHz WIFI Router Antenna is compliant with IEEE 802.11b and 802.11g wireless LANs.Increase wireless coverage.With round base.Operate with AP/Router with RP SMA connector.Type of the 9dBi WIFI Router Antenna: omni-directionalSpecification:Frequency Range: 2.4GHz.Gain: 9 dBiImpedance: 50 OhmV.S.W.R: < 1.5:1Connector: SMAPolarization: verticalSize: 31.3cm long. The base: 6.7cm in diameter. Approx.Cable length: 2.07m.Approx.Color: Black.Weight: 156g. |
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2.4G 9dBi Wireless WIFI Booster Ranger Router Antenna $11.49 Description:2.4G 9dBi Wireless WIFI Booster Ranger Router Antenna WLAN.Boost your wireless coverage with this 9dBi omni-directional Wi-Fi antenna.WIFI Router Antenna Work with any wireless IEEE 802.11b/ g router/ AP/ PCI/ PCMCIA adapter with reverse SMA connector, improve signal strength and signal quality.Add more power and distance for your wireless network, help to clear up dead spots in your network.Operate with AP/Router with RP SMA connectorThe 2.4G Wireless Antenna is compliant with IEEE 802.11b and 802.11g wireless LANs.Increase wireless coverage.Operate with AP/Router with RP SMA connector.Type of the Booster Ranger Antenna: omni-directional. Specification:Frequency Range: 2.4GHz.Gain: 9dB90 degree adjustable.Material: Plastic body with metal connectorAntenna Length (Max.): ~37.7cmAntenna Diameter (Max.): ~1.4cmTotal Weight: 61gImpedance: 50 OhmV.S.W.R: < 1.5:1Connector: SMAPackage:1 x 9dBi Wireless Antenna |
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2.4GHz 13dBi WiFi Router Wireless SMA Booster Extender Antenna $24.49 Description:Boost your wireless coverage with this 13dBi Router Antenna.Work with any wireless IEEE 802.11b/ g router/ AP/ PCI/ PCMCIA adapter with reverse SMA connector, improve signal strength and signal quality.The 2.4GHz WiFi Antenna adds more power and distance for your wireless network, help to clear up dead spots in your network.Operate with AP/Router with RP SMA connectorThe SMA Booster Antenna is compliant with IEEE 802.11b and 802.11g wireless LANs.Increase wireless coverageWith round baseOperate with AP/Router with RP SMA connectorSpecification:Frequency Range: 2.4GHzGain: 13dBiImpedance: 50 OhmV.S.W.R: < 1.8:1Connector: SMAPolarization: omni-directionalAntenna length: ~39.5cm, 15.5"Base diameter: ~6.6cm, 2.6"Cable length: ~290cm, 114"Color: as photo shownWeight: 178gPackage contains:1 x Wireless SMA Antenna |
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9dBi Wireless WiFi Booster Network WLAN Signal Antenna $18.49 Description:Boost your wireless coverage with this 9dBi Signal Antenna.Work with any wireless IEEE 802.11b/ g router/ AP/ PCI/ PCMCIA adapter with reverse SMA connector, improve signal strength and signal quality.The WLAN Booster Antenna adds more power and distance for your wireless network, help to clear up dead spots in your network.Operate with AP/Router with RP SMA connectorThe WiFi WLAN Antenna is compliant with IEEE 802.11b and 802.11g wireless LANs.Increase wireless coverageWith round baseSpecification:Frequency Range: 2400-2500MHzGain: 9dBiPolarization: verticalImpedance: 50OmegaMax input power: 10WVSWR: <=2.0Connector: RP SMA plug/TNCAntenna length: ~39cm, 15.3"Base length/width: ~6.4cm, 2.5"Cable length: ~295cm, 116"Color: as photo shownWeight: 200gPackage contains:1 x Wireless WLAN Antenna |
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Wireless Wifi IP Camera/ Wifi internet IP Camera/ Wireless Wifi IP Camera+Freeshipping Chinapost $55.8 Wireless Wifi IP Camera/ Wifi internet IP Camera/ Wireless Wifi IP Camera+Freeshipping Chinapost |
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Addonics PCI CardBus/PCMCIA Controller $47.99 1 Year 2 2 x CardBus The PCI CardBus/PCMCIA controller makes adding CardBus or PCMCIA slot to any Desktop, Server or computing equipment as easy as counting 1, 2, 3! Simply insert the controller into a PCI slot and reboot the computer. There is no driver to install, any dip switch or jumpers to set. Instantly, your computer is equipped with two CardBus/PCMCIA slots with identical functions as that in any Notebook computer. You can now conveniently add any CardBus or PCMCIA adapters - wireless LAN card, modem card, USB 2.0 card, ATA Flash card or PCMCIA hard drives, to the computer without shutting down and restarting. ADPCICB2 Addonics Addonics Technologies CardBus PCI PCI CardBus/PCMCIA Controller Plug-in Card Riser Card www.addonics.com |
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Bountiful WiFi / Bountiful WiFi - BRWG500 Wireless Router / BRWG500 $164.15 Bountiful WiFi - Bountiful WiFi - BRWG500 Wireless Router - BRWG500 |
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Black 2.4GHz 10dBi Wireless WIFI Booster Ranger Extender Router Antenna WLAN $9.49 Description:Boost your wireless coverage with this 2.4GHz 10 dBi omni-directional Wi-Fi Wireless Router Antenna for Wireless LAN Card.Work with any wireless IEEE 802.11b/ g router/ AP/ PCI/ PCMCIA adapter with reverse SMA connector, improve signal strength and signal qualityAdd more power and distance for your wireless network, help to clear up dead spots in your networkCompliant with IEEE 802.11b and 802.11g wireless LANs2.4GHz Router Antenna wireless coverage range: 980 -1148 ft (300 - 500 M)Operate with AP/Router with RP SMA connectorWLAN Router Antenna type: omni-directionalWeighted Magnetic mountingIncrease wireless coverageAntenna directions adjustment in baseSpecification:Frequency: 2400-2483 MHzGain: 10 dBiImpedance: 50 OhmVSWR: < 1.5Finish: matte blackConnector: RPSMA (female)Polarization: verticalSize: L34.5 x 1.3cmWeight: 55.1gPackage contents:1 x WIFI Router Antenna |
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CenDyne / Cendyne 54Mbps 802.11g Wireless LAN Cardbus PCMCIA Adapter / CDN-WLCB-BULK $18 CenDyne - Cendyne 54Mbps 802.11g Wireless LAN Cardbus PCMCIA Adapter - CDN-WLCB-BULK |
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ZONET / Zonet ZEW1542 150Mbps Wireless-N MIMO Cardbus PCMCIA Adapter / ZEW1542-BULK $15.25 ZONET - Zonet ZEW1542 150Mbps Wireless-N MIMO Cardbus PCMCIA Adapter - ZEW1542-BULK |
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TrendNet / TRENDnet Network Card TEW-421PC 54Mbps 802.11g Wireless PC Card PCMCIA / TEW-421PC $32.01 TrendNet - TRENDnet Network Card TEW-421PC 54Mbps 802.11g Wireless PC Card PCMCIA - TEW-421PC |
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Startech EC2CBU PCMCIA to ExpressCard Adapter $53.85 This PCMCIA to Expresscard Adaptor quickly and easily adapts USB based ExpressCard/34 devices to work through your laptop CardBus slot. With support for hotplug installation you can connect and remove the PCMCIA to ExpressCard Adaptor without even having to shut down the computer making it the ideal solution for connecting commonly used devices such as broadband wireless modems flash card Adaptors and other legacy IO devices. (Note: Only works with USBbased Expresscard/34 devices). |
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Intel WiFi Link 1000 Wireless Adapter 112BNHMWWB $24.1 Intel WiFi Link 1000 Wireless Adapter 112BNHMWWB |
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Toshiba Tecra S1 Wireless Antennas WiFi V000020360 $34.4 Toshiba Tecra S1 Wireless Antennas WiFi V000020360 |
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Cables Unlimited PCI to PCMCIA Adapter Card $40.99 1 1 Year 1 x CardBus 32-bit Ideal for data transfer or backup between desktop PC and mobile computer One rear PC Card Slot Perfect for Wireless LAN, Bluetooth, GPS, GSM, GPRS cards etc Supports both 16-bit(PCMCIA 2.1/JEIDA 4.1) and 32-bit (CardBus) PC Cards Supports Hot Swapping Our PCI to PCMCIA adapter provides desktop users with the flexibility and convenience to use standard PCMCIA cards.This adapter plugs directly into your desktop's PCI bus slot, allowing it to accept almost any 16/32-bit PCMCIA Card including; Wireless network cards, ATA Flash Cards, Bluetooth, USB and Firewire PCMCIA cards. Cables Unlimited CardBus IOC-9000 PC PCI PCI to PCMCIA Adapter Card Plug-in Card Riser Card www.cablesunlimited.com |
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Quatech PCD-X/XC34 ExpressCard to PCMCIA Card $116.99 Features: Quatech PCMCIA Card Drive provides a PCMCIA slot via an Expresscard interface. Access 3G Wireless Internet Modem cards via Expresscard Media Support: PC Card Type I/II CardBus Type II Slot Required: ExpressCard/34 Parts: 1 year limited Labor: 1 year limited |
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StarTech.com USB Based PCMCIA to ExpressCard Adapter Card $38.99 0.31" Height x 2.13" Width x 3.74" Length 0.88 oz 1 Pentium or equivalent notebook with an available Type II PC Card slot Windows 2000 SP4/XP SP1/Server 2003/Vista StarTech.com's PCMCIA to Expresscard Adapter quickly and easily adapts USB based ExpressCard/34 devices to work through your notebook CardBus slot. With support for hot-plug installation, you can connect and remove the PCMCIA to ExpressCard adapter without even having to shut down the computer, making it the ideal solution for connecting commonly used devices such as broadband wireless modems, flash card adapters and other legacy IO devices. (Note: Only works with USB-based Expresscard/34 devices) CardBus CardBus Adapter EC2CBU ExpressCard/34 Retail StarTech.com USB Based PCMCIA to ExpressCard Adapter Card www.startech.com |
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6dBi DVB-T WiFi External Digital HDTV Booster Antenna $21.49 Description: Boost your wireless coverage with this 6dBi External Antenna. Work with any wireless IEEE 802.11b/ g router/ AP/ PCI/ PCMCIA adapter with reverse SMA connector, improve signal strength and signal quality. The WiFi Booster Antenna adds more power and distance for your wireless network, help to clear up dead spots in your network. Operate with AP/Router with RP SMA connector The DVB-T WiFi Antenna is compliant with IEEE 802.11b and 802.11g wireless LANs. Increase wireless coverage With round base Operate with AP/Router with RP SMA connector Specification: Frequency Range: 2.4GHz Gain: 6dBi Impedance: 75 Ohm Frequency ranges: VHF band III: 174-230 MHz, UHF: 470-862MHz Polarization: vertical Antenna length: ~35cm, 13.8" Base diameter: ~6.6cm, 2.6" Cable length: ~144cm, 56.7" Color: as photo shown Weight: 228g Package contains: 1 x Digital HDTV Antenna |
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