C h a p t e r 1 P r o d u c t I n t r o d u c t i o n
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1.1.1
Network Design
1.1.2
Features
Support HSPA+/HSUPA/HSDPA/UMTS: 800/850/900/AWS1700/1900/2100 MHz
Support GSM/GPRS/EDGE: 850/900/1800/1900 MHz
Support CHAP / PAP authentication
Support APN access
Support automatic redial when connection is broken
WAN port access mode(static IP , DHCP client)
Dual SIM card slots, support auto-switching between the cellular operators
Provides dual serial ports (RS232 and RS485) and 4 LAN port to meet the needs of different devices connected
Support PPTP/L2TP/OPENVPN/IPSec/GRE VPN
Support LED status display
Provides reset function
Support NTP client, built-in independent RTC
Support DHCP server
Support Dynamic DNS