Infinite iLOGPlus-GSM Data Logger is internet enabled devices, especially suited for remote data acquisition, distributed telemetry, and remote control. The units act as master devices and send alerts and data files on their own via FTP, email, and SMS. All types carry a built-in TCP/IP webserver with live webpages that can be accessed by any Internet browser application. They accept and serve TCP and SMS commands for interactive operation in a SCADA system. Analog inputs and digital I/O are expandable by means of I/O expansion modules, plugging on a serial I/O expansion bus. The device carries a built-in GSM/GPRS modem and can automatically connect via a mobile telephony network to an ISP provider, to transmit its data via email or FTP and alerts via email or SMS. The unit controls the internal modem power supply for power saving purposes in applications with battery operation. Infinite iLOGPlus-GSM 4 Analog inputs 4 Digital inputs 2 Relay outputs Storage for 40,000 measurements Built-in GSM/GPRS modem Internal web server Keypad and display Expandable