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By certification 
H8922S 3G/4G router is an industrial grade router for wireless M2M applications. It features dual SIM backup, 4 LAN ports, 1 WAN port (for WAN and cellular network backup), VPN (GRE, PPTP, L2TP, IPSec, OpenVPN), Terminal Row for GPIO and serial data transmission, mimo Wi-Fi and GPS optional. It is an advanced choice for wireless M2M applications with extremely reliable for data transmission.
High Performance, Fully Open, Excellent Scalability
Support OpenWrt
Support feature customize with API
CPU: 580MHz
SDRAM: DDR2 256MB
Flash: 128Mb
Multiple Links Connection Insurance
Dual SIM single module for cold backup
Dual SIM dual module for hot backup or for load balance
SIM/WAN backup, dual SIM backup
WAN/SIM1/SIM2, 3 links backup
Ultra Secure Data Transmission
VPN support GRE/L2TP/PPTP/IPSec/OpenVPN
GRE over IPSec, IPSec over PPTP/L2TP
Supports DHCP Server
SNMP network management, NTP support, GPS clock support
OSPF, RIP, BGP optional
Optional QoS（Quality of Service）smart control base on protocol, application, IP subnet
Static route, RIPv2, OSPF, BGP and policy route
Full Network Mode
4G(TD-LTE/FDD LTE), DS-HSPA+, HSPA+, HSPA, WCDMA, EVDO, TD-SCDM, CDMA1x, EDGE/GPRS
WAN、WLAN、SIM1\SIM2 multiple way network
WLAN AP/station/repeater, 802.11n(802.11ac optional), at most 300Mbps
4 LAN port
WAN support ADSL(PPPoE), static IP, DHCP client
Support VPDN、APN private network
802.11b/g/n(ac optional) Wi-Fi optional, WPS key
Supports DNS proxy and Dynamic DNS (DDNS)
Multiple Working Modes
LED monitor
Internal Storage
Support WEB、CLI、SSH、multiple parameter management
Support timing operation, good control on flow and time of internet
Data trigger online/offline
SMS/phone trigger online/offline
LCP/ICMP/flow/heartbeat check, ensure network usability
Easy Maintenance Operation
Support local /remote firmware and patch upgrade
Support parameter backup and import, Support encryption
Support CFE firmware upgrade(Never about crash when doing upgrade)
Support Console port maintenance
Support smart switch when using multiple server
Local/Remote log for easy debug
EMC4 Industrial Design, Stable and Durable
Aluminum shell, IP30 protection
System security isolation, Particularly suitable for the application of industrial control field
Wide range power supply（DC 5-36V）
Support WDT
DTU RS232/RS485 data transmission
Antenna lightning protection
RS232/RS485/RS422 port: 15KV ESD protection
SIM/UIM port: 15KV ESD protection
Power port: reverse-voltage and overvoltage protection
Ethernet port: 1. 5KV magnetic isolation protection
Remote Cloud Management Platform
Great monitor capability
Remote terminal management maintenance
Check status of internet at any time
GIS showing device location
Debug remotely
Flow static and analyze
