SignalMax Wireless 4 Port DSL/Cable Router One-Mile of open field distance when used with a SignalMax Wireless USB, or PC Card LAN Adapters Will improve any existing 802.11b, 802.11g, or 802.11 b/g compliant wireless network. Parental control and tracking and 128 WEP Encryption Security. Toll free U.S. based technical support. Includes one USB LAN adapter, CD-ROM, Quick Start Guide