Product Details  Supports 3.6Mbps HSDPA  PCMCIA II form factor with 2 internal antennas for receive diversity and an antenna port to con  Main features: Supports 3.6Mbps HSDPA  PCMCIA II form factor with 2 internal antennas for receive diversity and an antenna port to connect to an external antenna (not supplied) for better coverage and increased signal strength. Comes complete with personal headphones and microphone for voice call support. Suitable for Windows 2000 SP4 and Windows XP SP2 only. Technical Specifications: Device Specifications   Environmental Operating Temperature: 0 - 55°C System Requirements (minimum requirements) Processor Server (a computer working in a server capacity): Min. 133-MHz Intel Pentium class processor Operating System Windows 2000 SP4  Memory Server: 128 MB of RAM, 256 MB recommended Hard Disk Min. 50MB for installation of software & drivers Display 800 x 600 or higher resolution display with 256 colours