TRENDnet Wireless Internet Surveillance Camera Server with Audio TVIP201W Wi-Fi Compliant with IEEE 802.11b/g Devices on 2.4 GHz ISM Frequency Band Built-in RS-485 connectors for Pan &amp; Tilt control device (additional Pan &amp; Tilt control device required) Allows for Remote Access from Web Browser for Live Image Viewing and listening Built-in I/O Ports to Trigger Alarm and Email Notification Broad Range of Applications for Monitoring Homes, Offices, Banks, Hospitals, and a Variety of Private and Public Monitoring