Monday, November 29, 2010

Ralink Launches Mobile Wi-Fi Chips

Ralink Technology announced its entry into the mobile Wi-Fi market with the introduction of the RT8180 for cellular phones and the RT3180 and RT3680 for portable consumer electronics products. The RT3180 and RT3680, which are highly integrated 2.4GHz and dual-band 802.11n WLAN chips for high performance portable consumer electronics, integrate a host of mobile specific functionality including high-performance power amplifiers, low noise amplifiers, and various other front-end components. The RT8180 is a low cost, single chip Wi-Fi solution architected specifically for mobile phone applications. This device contains a 150Mbps 802.11n media access controller (MAC) and baseband, a high-performance 19dBm 2.4GHz radio and power amplifier, a low noise amplifier, an integrated transmit/receive switch with support for 2-antenna diversity that improves range and reliability, a mobile-centric SDIO 2.0 interface, integrated RAM and ROM memory, and an embedded power management unit. It also features 100 percent host CPU offload capability, per-packet antenna diversity technology, power management optimizations, support for Wake on Wireless LAN, and other radio/baseband enhancements for Wi-Fi in mobile phones.

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