Verizon Wireless 5750 PCMCIA EVDO 3G Air Card Modem Surf The Internet, Check Email, Access Corporate Networks - All Over Cellular Network! Data Download Speeds Burst to 3.1 Mbps! Data Upload Speeds Burst to 1.8 Mpbs! Windows 2000, XP, Windows 7 and Vista as well as Mac OS X 10.3.9 And Higher Supported Data Download Speed - EV-DO rev A (Up to 3.1 Mbps Down/1.8 Mbps Up), EV-DO rev 0 (2.4 Mbps Down/153 Kbps Up), 1xRTT Compatible Carrier - Verizon Wireless Network Compatibility - CDMA 850, 1900 3G Data Speeds - Yes