好的钢化膜一般多少钱:谁能帮我在网上找一种车载电脑系统用的无线上网网卡

1.要能联系到代理商或厂家的
2.参数
图片:
http://www.2000wb2.com/123/qq/wk.bmp

Name: Buslink USB Wireless GPRS/WLAN Adapter
Brand: Buslink
SKU: UM-884GW
UPC: 677891161822
Availability: In Stock
3.说明
Buslink USB Wireless GPRS/WLAN Adapter
GPRS/LAN adapter permits use of your accessible cellular Sim cardin our Notebook adapter providing Internet accessusing cell phone minutes versus an Air card and subscribing to an additional Data card phone. It also functions as a Wireless 802.11B Wi Fi card.
Quick & Easy to connect: Simply plug into any PCs with USB port for Wireless LAN connection or slide in your cell phone's removable SIM card.
Features:
* Wireless Network connection, allowing networking where other 802.11b devices may be present
* For use on your wireless cellular carrier'snetwork
* Provides users with seamless wireless Internet connection
Specifications:
Wireless Technology IEEE 802.11b; GPRS
Frequency Band/Bandwidth 2.4 GHz
Frequency Band/Bandwidth Details:
2.400 GHz to 2.4835 GHz IEEE 802.11b ISM Band
900 MHz or 1800 MHz GSM Dual Band
850 MHzor 1900 MHz GSM Dual Band
Antenna 1 x Internal
Antenna Range 98 ft to 328 ft Indoors; 328 ft to 1312 ft Outdoors
Transmission Speed 11Mbps Auto-fallback IEEE 802.11b
5.5Mbps Auto-fallback IEEE 802.11b
2Mbps Auto-fallback IEEE 802.11b
1Mbps IEEE 802.11b
64Kbps GPRS
Wireless Security64/128-bit WEP encryption
Modulation Direct Sequence Spread Spectrum (DSSS)
Interfaces/Ports:Host Interface USB 1.1
Dimensions 2.95" x 1.45" x 0.57" - without Antenna; Weight 1.16 oz
System Requirements:
Pentium III 400 MHz or higher
Over 30MB free hard disk space
Standard USB port
A Valid SIM Card (GPRS service is activated)
Compatibility SIM card Support: 3V/1.8V
Supported Operating Systems:
Windows 98; Windows 98SE; Windows ME; Windows 2000; XP
Box Contents:
USB Wireless GPRS/WLAN Adapter
USB adjustable rigid cable
CD software
User's Manual