GST-industrial computer, embedded automation computers, , industrial pc,data acquisition daq,touch panel pcs, military connectors , ADAM modules, rack pc , single board computer, industrial sitches , managed switches , unmanaged switches , POE switches ,

-Universal quad-band GSM/GPRS 850/900/1800/1900 MHz
-Dual SIM for telecom redundancy
-Support SDHC SD Card for Data Buffering
-Connect Ethernet and Serial Devices over VPN
-Various operation modes: COM port redirector, RVCOM, TCP, UDP, SMS tunnel, and pair connection
-Any baud rate setting for easy configuration
-Built-in 15 KV ESD protection for all serial signals
-Multiple configuration methods: Windows utility, Telnet, and Web console
-Supports 32-bit/64-bit Windows 2000/XP/Vista/7, Windows Server 2003/2008, Windows CE 5.0, and Linux