i just using wireless and 3g broadband...
Features Specifications: Aircard 881U HSUPA&HSDPA USB wireless Modem
The AirCard? 880U & AirCard 881U are the latest in USB modems from Sierra Wireless. Designed to work on HSUPA networks, mobile users will experience significantly increased speeds - up to 7.2 Mbps downlink and 2.0 Mbps uplink.
These USB modems are a flexible solution, ideal for desktop or notebook computer use and are compatible with both Windows and Mac operating systems. The familiar USB connection and simple setup make getting a fast, reliable wireless connection easy.
KEY FEATURES
* Transfer wireless data at speeds of up to 7.2 Mbps on the downlink and 2.0 Mbps on the uplink, on the latest HSPA networks
* Familiar USB connection
* Fully compatible with HSDPA, UMTS, EDGE, GPRS, and GSM networks
* Supported OS: Windows? Vista, XP, 2000, and Mac OS X
* Internal battery that supplements the power from the USB port when extra power is required
KEY BENEFITS
* Portable solution for enterprise & home use
* High speed wireless connectivity in more places than Wi-Fi, offering greater mobility
* Global compatible - support for latest HSPA technology, but backward compatible where unavailable
* Reliable connection and speed, even in fringe network areas
