mac/bbp integrated chip ? 3 0 0 mbps phy r ate support ? 2t2r/2t3r modes ? l egac y , mi x ed and green field modes ? 20mhz/40mhz b andwidth support ? rev erse direction da t a fl o w and f rame a ggregation ? 802. 1 1i - wep 64/ 1 28, w p a, w p a2 ? 802. 1 1e - wmm, wmm-p s , ? w a k e on w ireless lan ? multiple bssid support ? international r egulato r y compliant - 802. 1 1d ? cisco ccx compliant ? bluetooth co- e xistence ? lo w p ow er with ad v anced p ow er management ? operating s y stems support: w ind o ws v is t a, w ind o ws 2 00 0, w ind o ws x p , linux and m a c os x ? r t2860, r t2870: 1 6mm x 1 6mm tqfp - 1 44 ? r t2890: 1 4mm x 1 4mm tqfp - 1 28 2.4 and 5 ghz transceiver chip ? single chip with direct co n v ersion t ranscei v ers ? t hree recei v er paths and t w o transmit paths ? lo w noise figure ? high lineari t y ? integrated channel-selection filters ? integrated r econst r uction filters ? integrated lo w dropout r egulators ? single supply 3.0 to 3.6 v operation ? r t2820 f or 2.4 ghz b and ? r t2850 f or 2.4/5 ghz b ands ? qfn- 7 6 9mm*9mm ? blazing speed at 3 0 0mbps phy ? robust connection at ex t ended ran g e ? miti g ating dead spots overview t he r alink 802. 1 1n chipset f amily pr o vides solutions f or pci, pcie and usb inter f aces with both 2.4 and 2.4/5ghz suppport. ea c h c hipset consists of t w o highly integrated ics (rfic and bb/m a c ic) that fully comply with cu r rent dra f t ieee 802. 1 1n and ieee 802. 1 1a/b/g s t andards. r alink f ea t ure-ri c h c hipsets embody 2 transmi t ter 3 recei v er (2t3r) a c hitec t ure to ensure reliable, cost-e f f ecti v e wireless connectivi t y at high throughput ov er an e xtended range. optimi z ed rf ar c hitec t ure and baseband algorithms pr o vide superb per f ormance with l o w -p ow er consumption. intelli- gent m a c design depl oy s a highly e f ?cient dma engine and hard w are da t a processing accelerators without ov erloading the host proceso r . all c hipsets support s t andards-based securi t y , quali t y of se r vice and international regulato r y , giving end users the greatest per f ormance a n ytime, a n ywhere. RT2800 40mhz c r y s t al t r anscei v er ic rx1 tx1 rx2 rx0 tx0 v co/pll adc1 da c1 adc2 adc0 da c0 m a c qos securi t y engine mimo b aseband inter f ace controller eep r om pci minipci cardbus usb2.0 pcie bb/m a c ic mimo wi r eless chipset family 802.11n solution featuring mimobility? t echnology RT2800.qxd 5/25/07 3:31 pm page 1 RT2800 architecture d r a f t
features speci?cation standard certi?cation wlan features software 802.11n wireless solution chipset family speci?cations RT2800.qxd 9/12/07 3:31 pm page 2 c h i p s e t b b / m a c r f i c i n t e r f a c e f r e q b a n d rt2860 rt2860 rt2870 rt2870 rt2890 rt2890 rt2820 rt2850 rt2820 rt2850 rt2820 rt2850 pci/mpci/cb pci/mpci/cb usb 2.0 usb 2.0 pcie pcie 2.4 ghz 2.4/5 ghz 2.4 ghz 2.4/5 ghz 2.4 ghz 2.4/5 ghz RT2800p RT2800pd RT2800u RT2800ud RT2800e RT2800ed 802.11n current draft 802.11a/b/g 802.11i 802.11e 802.11d 802.11h 802.11j whql cisco ccx wi-fi certi?cation: 802.11a/b/g, 802.11n, wpa, wpa2, wmm, wmm-ps 11b: 1, 2, 5.5, 11mbps 11g: 6, 9 , 1 2, 2 4 , 36, 48, 54mbps 11n (20mhz): mcs0-15, 32 with short guard interval support (up to 144mbps) 11n (40mhz): mcs0-15, 32 with short guard interval support (up to 300mbps) rts / cts msdu / psdu aggregation block ack reverse direction data flow link adaptation hardware we p, tki p, aes engines eap - tls, ttls, lea p, peap wpa1/2 - psk (wpa home) wpa1/2 - 802.1x (wpa enterprise) roaming windows vista, windows 2000, windows xp/xp-64, windows ce mac os x linux kernels 2.4, 2.6 simple con?guration wps ? 2006, ralink technology corporation. ralink, ralink technology, mimobility?, mimoxr? and range-overdrive? are trademarks of ralink technology corporation. all other trademarks are trademarks of their respective holders. ralink technology corp. u?ju?7v?? y ? ?z fi? r - 5f, no.36, tai-yuen street, chupei city hsinchu hsien 302, taiwan tel: 886.3.560.0868 | fax: 886.3.560.0818 u.s. o f?c e www.ralinktech.com 20833 stevens creek blvd., suite 200 cupertino, ca 95014 tel: 408.725.8070 | fax: 408.725.8069
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