MOD QUADBAND RS485 JAVA TERMINAL; No. of Channels:4Channels; Protocol:TCP / IP; Supply Voltage Max:30V; Frequency RF:1.9GHz; Module Interface:RS485; Kit Features:GPRS upto 86kbps Data CSD upto 14.4kbps Secure Data Transmission with HTTPS and PKI SMS FAX; Product Range:-; Supply Voltage Min:8V; Supply Voltage Range:8V to 30V