Ralink
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| Industry | Semiconductor |
|---|---|
| Founded | January 2001 |
| Headquarters | Hsin-chu, Taiwan; Cupertino, CA |
| Products | Wi-Fi chipset |
| Website | www.ralinktech.com |
Ralink Technology, Corp. is a Wi-Fi chipset manufacturer which is mainly known for their WLAN chipsets. Now headquartered in Hsinchu, Taiwan, Ralink was founded in 2001 in Cupertino, California and it was bought by the Taiwanese company MediaTek on 5 May 2011[1].
Some of Ralink's 802.11n RT2800 chipsets have been accepted into the Wi-Fi Alliance 802.11n draft 2.0 core technology testbed. They have also been previously selected in the Wi-Fi Protected Set Up (WPS) and Wireless Multimedia Extensions Power Save (WMM-PS) testbeds. Ralink is a participant in the Wi-Fi Alliance and the IEEE 802.11 standards committees.[2]
Ralink chipsets are used in various consumer-grade routers made by Gigabyte Technology, Linksys, D-Link, Asus and Belkin, as well as Wi-Fi adaptors for USB, PCI, ExpressCard, PC Cards and PCI Express interfaces. An example of an adapter is the Nintendo Wi-Fi USB Connector which uses the Ralink's RT2570 chipset to allow Nintendo DSs and Wiis to connect to the Internet via a home computer. Newer products are the RT2501 and RT2600.
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[edit] Operating systems support
Ralink provides documentation without a non-disclosure agreement.[3]
[edit] Linux
Ralink provides GPL drivers for Linux. While Linux drivers for the older RT2500 chipsets are no longer updated by Ralink, these are now being maintained by Serialmonkey's rt2x00 project.
Current Ralink chipsets require firmware. Ralink allows the use and redistribution of the firmwares, but does not allow their modification.
Linux includes partially working (no AP or Ad-hoc mode) drivers for Ralink cards starting from version 2.6.24.[citation needed] However, these drivers require firmware to function. Completely free software GNU/Linux distributions such as gNewSense are expected to be unable to support current Ralink chipsets unless the firmware's license is changed. Old chipsets such as RT2400 (802.11b) and RT2500 (802.11g) should be supported. Ralink rt3070 Injection/monitor support for Linux is now found in Beini linux distribution.
[edit] Free/Net/OpenBSD
Due to Ralink's practice of providing documentation without a non-disclosure agreement, virtually all Ralink wireless chipsets are supported on all three of the major BSD systems. Indeed, the OpenBSD development team recommends the use of Ralink chipsets for this reason.[4]
[edit] References
[edit] External links
- Ralink website
- List of Wi-Fi products using the Ralink RT2500 chipset
- rt2x00 project: Linux drivers.
- ral, ural manual page for OpenBSD
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