usb无线网卡厂家标配openbox skyboxdmbox（有内置驱动的机顶盒）等无线上网，还有在电脑上两种用途：1，插入电脑接受无线路由wifi信号。2，插入已经有线宽带上网或者有线路由上网的电脑，做软ap发射wifi信号给手机平板来上网。（这个模式我们有更专业的设备&id=）。
usb wifi adaptor:
support openbox x3, skybox f3 and skybox m3 skybox f5receivers.
main features:
802.11b:1,2,5.5,11mbps;802.11g;6,9,12,18,24,36,48,54mbps;
802.11n:(20mhz)mcso-7,support up to 72mbps , (40mhz)mcso-7,supportup to 150mbps
ofdm,peak rate 150mbps,peak throughput 90mbps.
power management
wi-fi certification:802.11 b/g/n,wpa,wpa2,wmm,wmm-ps
whql,cisco ccx
hardware
main chipset
ralink rt5370
host interface
usb 2.0/1.1 type a
led
link/ activity
rf performance
standards
ieee802.11b/g & 802.11n (1t1r mode, 150mbps)
antenna
2dbi undetachable antenna
operation frequency
2412~2483.5 mhz (varies according to different regions).
typical tx power (e.r.i.p)
802.11b (cck)11mbps: 19+/-1dbm; 802.11g (ofdm) 54mbps:16+/-1dbm
802.11n (ht20@mcs7), 15+/-1dbm; 802.11n(ht40@mcs7),15+/-1dbm
receive sensitivity
802.11b: -86+/-1dbm; 802.11g: -74+/-1dbm
802.11n (ht20), -70+/-1dbm; 802.11n (ht40), -70+/-1dbm
software support
operation system
windowsce/2000/xp/vista/7; linux 2.6.x; mac os x
security
wep 64/128bit , wpa, wpa2, 802.1x, and 802.11i,cisco ccscompliant
operation conditions
voltage range/current
dc 5.0v ± 5% / <160ma
temperature
operation: -10°c - 60°c; storage:-20°c - 70°c
humidity(non-condensing)
operation: rh 95%; storage : rh 95%
physical specification
dimensions
(main body)16.4x14.7x58mm, details refer to the figures.

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