USB modem offering connectivity for your PC to AT&T's 3G BroadbandConnect and EDGE networks</br>Tri-band HSPA - 850/1900/2100 MHz  Quad-band GSM/GPRS/EDGE - 850/900/1800/1900 MHz</br>Speeds - up to 7.2 Mbps downlink and 2.0 Mbps uplink.</br>Works with PCs running Windows (Vista XP 2000) and Mac (OS X 10.4 and later) operating systems</br>Sim card is not included</br></br>Product Description</br></br>The AirCard 881U for AT&T is 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.This previously used AirCard is in good cosmetic and working condition. It may have some scuffs and scratches from regular previous use. The card has been fully tested and works great. Just slip in your sim card and your are ready to use it.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 networksFamiliar USB connectionFully compatible with HSDPA UMTS EDGE GPRS?? and GSM networksSupported OS: Windows Vista?? XP?? 2000?? and Mac OS XInternal battery that supplements the power from the USB port when extra power is requiredAuction for Aircard only! SIM card &Data service NOT INCLUDED!Key BenefitsPortable solution for enterprise & home useHigh speed