A1) work with one sim card.
A2) work with two sim card. Two sim card backup each other (cold standby for failure backup).
Five working mode:
1) SIM1 only
2) SIM2 only
3) SIM1 preferred
4) SIM2 preferred
5) AUTO (backup each other)
Two sims can be any type from 2G/3G/4G at GPRS/EDGE/HSDPA/HSUPA/HSPA/HSPA+/LTE/CDMA1x/CDMA2000 EVDO. (Please confirm the type before order)
Main:
Built-in 2G/3G/4G industrial cellular module, insert SIM/UIM card to work directly;
Built-in two sim card slots;
RJ45 LAN *4;
Option feature:
- WiFi
- GPS
- Serial to cellular gateway (RS232 or RS485 port)
- video server (connect with camera)
- WAN RJ45 port
- Internal battery
- MIMO Cellular diversity receiving (with this feature, router can get better signal and speed)
Redundancy backup: cellular1+ cellular 2+ WAN RJ45