Re: Imation Link Wireless Av Extender Driver Download
Mina Delahoussaye
The Imation Link Wireless Audio/Video Extender projects audio and high-definition video content - Internet TV, movies, photos, online games, web video conferencing and even business presentations - to a television or projector. Turn any computer into a digital entertainment server with up to 720p video quality, 1080p quality for still images, full audio support, PCand Mac compatibility. The Imation Link Wireless A/V Extender uses wireless USB technology providing you with a reliable connection and faster data transfer speeds than Wi-Fi.
Imations has introduced the Link Wireless Audio/Video Extender which utilizes the Alereons NoWire technology. The Ultra Wideband (UWB) wireless USB technology avoids Wi-Fi channels to provide high performance wireless HD connections between laptops and HDTV displays.
No wireless drivers or user interface need be installed, allowing users to just plug in and immediately be up and running. The wireless link between the PC and HDTV operates at speeds up to 220 Mbps, leaving the Wi-Fi radio in the PC free to connect to the internet at full speed to stream video files from web sites such as Hulu, Netflix and YouTube.
With Imations Link Wireless A/V Extender, you can now enjoy the freedom of wirelessly streaming content from your notebook and/or desktop PC/Mac to your television, projector or monitor. It also allows you to increase the size of your PC desktop by expanding it to a TV or projector. Imations Link A/V Extender utilizes wireless USB technology, resulting in crisp, clean video displays. It supports both high-resolution video and audio. With faster data transfer rates than Wi-Fi, youre ensured strong and reliable wireless signals, lower power consumption and no Wi-Fi interferences
Wirelessly transmit HD video (720p) and audio from your notebook and/or desktop PC/Mac to your television or projector. With an advanced chip set for 1080p for photos, you can also display still images and photos while enjoying them on a larger screen for viewing.
The Link features a directional antenna for improved performance, enabling up to 30-feet of wireless line-of-site range. Because it uses wireless USBone-to-one connectivity, you will never experience Wi-Fi interference.
Enhance your viewing experience through our extended desktop mode feature. Either duplicate the image on yourcomputer in mirror mode on your TV, or dragcontent from yourcomputer to the TV creatingan extension of yourdesktop.
The fin-shaped receiver in glossy black connects to your TV or conference room projector using HDMI or VGA input. The wireless transmitter connects to a standard USB port on your laptop or desktop computer. With all the PC necessary drivers included on the USB transmitter, there is no complicated network setup, and no downloading required. A Mac driver is enclosed on a CD for installation.
Wireless USB (Universal Serial Bus) is a short-range, high-bandwidth wireless radio communication protocol created by the Wireless USB Promoter Group, which is intended to increase the availability of general USB-based technologies. It is unrelated to Wi-Fi and different from the Cypress Wireless USB offerings. It was maintained by the WiMedia Alliance which ceased operations in 2009. Wireless USB is sometimes abbreviated as WUSB, although the USB Implementers Forum discouraged this practice and instead prefers to call the technology Certified Wireless USB to distinguish it from the competing UWB standard.
Wireless USB was based on the WiMedia Alliance's Ultra-WideBand (UWB) common radio platform, which is capable of sending 480 Mbit/s at distances up to 3 metres (9.8 ft) and 110 Mbit/s at distances up to 10 metres (33 ft). It was designed to operate in the 3.1 to 10.6 GHz frequency range, although local regulatory policies may restrict the legal operating range in some countries.
The rationale for this specification was the overwhelming success of USB as a base for peripherals everywhere; cited reasons include extreme ease of use and low cost, which allow the existence of a ubiquitous bidirectional, fast port architecture. The definition of Ultra-WideBand (UWB) matches the capabilities and transfer rates of USB very closely (from 1.5 and 12 Mbit/s up to 480 Mbit/s for USB 2.0) and makes for a natural wireless extension of USB in the short range (3 meters, up to 10 at a reduced rate of 110 Mbit/s). Still, there was no physical bus to power the peripherals any more, and the absence of wires means that some properties that are usually taken for granted in USB systems need to be achieved by other means.
The goal of the specification was to preserve the functional model of USB, based on intelligent hosts and behaviorally simple devices, while allowing it to operate in a wireless environment and keeping security on a par with the levels offered by traditional wired systems. It also seeks to be comparably power-efficient. To accomplish this, it uses an existing standard that defines a suitable physical layer and medium access control, through which the desired performance can be met, and it adds to it a convergence layer to merge both architectural efforts.
W-USB was defined as a bus, albeit logical and not physical, which can simultaneously connect a host with a number of peripherals. The host divides the available bandwidth through a time-division multiple access (TDMA) strategy. It maintains the ability of USB to safely manage devices on the fly. Hosts can communicate with devices up to 10 meters away.
Wireless USB was used in game controllers, printers, scanners, digital cameras, portable media players, hard disk drives and USB flash drives.[citation needed] It was also suitable for transferring parallel video streams, using USB over ultra-wideband protocols.
The Wireless USB Promoter Group was formed in February 2004 to define the Wireless USB protocol. The group consisted of Agere Systems (now merged with LSI Corporation[5]), Hewlett-Packard, Intel, Microsoft, NEC Corporation, Philips Semiconductors, and Samsung.[6]
In June 2006, five companies showed the first multi-vendor interoperability demonstration of wireless USB. A laptop with an Intel host adapter using an Alereon PHY was used to transfer high-definition video from a Philips wireless semiconductor with a Staccato Communications PHY, all using Microsoft Windows XP drivers developed for Wireless USB.
In October 2006, the U.S. Federal Communications Commission (FCC) approved Host Wire Adapter (HWA) and Device Wire Adapter (DWA) wireless USB products from WiQuest Communications for both outdoor and indoor use. The first retail product was shipped by IOGEAR using Alereon, Intel, and NEC silicon in mid-2007. Around the same time, Belkin, Dell, Lenovo, and D-Link began shipping products that incorporated WiQuest technology. These products included embedded cards in notebook PCs or adapters for those PCs that do not currently include wireless USB. In 2008, a new wireless USB docking station from Kensington was made available through Dell. This product was unique as it was the first product on the market to support video and graphics over a USB connection by using DisplayLink USB graphics technology. Kensington released a Wireless USB Universal Docking Station in August 2008 for wireless connectivity between a notebook PC and an external monitor, speakers, and existing wired USB peripherals. Imation announced the Q4 2008 availability of a new external Wireless HDD.[8]
On March 16, 2009, the WiMedia Alliance announced transfer agreements for the WiMedia ultra-wideband (UWB) specifications. WiMedia transferred specifications to the Bluetooth Special Interest Group (SIG), the Wireless USB Promoter Group, and the USB Implementers Forum. After the technology transfer, the WiMedia Alliance ceased operations.[9][10][11] In October 2009, the Bluetooth Special Interest Group dropped the development of UWB as part of the alternative MAC/PHY, Bluetooth 3.0/High Speed technology. A small, but significant, number of former WiMedia members had not and would not sign up to the necessary agreements for the intellectual property transfer. The Bluetooth group then turned its attention from UWB to 60 GHz.[12][13][14]
On September 29, 2010, version 1.1 of the Wireless USB specification was announced.[15] It delivered several backwards-compatible improvements: UWB upper band support for frequencies 6 GHz and above, improved power management and consumption, and support for NFC and proximity based association.
The replacement of copper wires in the bus layer introduces ambiguity in the actual state of host-device connections and, even more importantly, potentially exposes communications fully to any other device within the propagation range, whereas they were reasonably secure over the wire. Hence, an explicit secure relationship must be established. For this, the bus and device layers incorporate the necessary resources for use by the function layer. Every W-USB transmission is encrypted by the bus layer without impairing layer-to-layer horizontal communication.
The bus follows a TDMA-based polling approach supervised by the host. A transfer is formed by three parts: a token, data, and a handshake. For efficiency reasons, several tokens containing timing information for the devices can be grouped into one, thus forming transaction groups. Flow control and packet sizes are adjusted for power efficiency, while respecting the high-level pipe model of communication between source and destination.
UWB defines both PHY and MAC layers, which need to be integrated in the W-USB model. In particular, MAC is joined with the logical link control (LLC) sublayer to form the link layer, responsible for encryption/decryption, PHY error management and synchronization, while PHY itself covers the correctness of headers, not payloads.
The MAC layer is particularly relevant to W-USB. It uses superframes divided in 256 time slots, the first of which are dedicated to the transfer of beaconing information. Slots can further be allocated to meet the necessities of clusters of devices, also identified by MMC's (see below). A host maintains one or more W-USB communication channels and is fully aware of the MAC layer, whereas a device only needs to use the defined W-USB interface to communicate through existing channels.
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