As HSDPA technology application is more and more popular, related HSDPA device are published.
The common device is HSDPA router and HSDPA modem.
What is the different main feature between HSDPA router and HSDPA modem?
1. HSDPA router provides route feature, HSDPA modem no support.
2. HSDPA router provides RJ45 port, HSDPA modem provides RS232 port or USB port.
3. HSDPA router provides WiFi for optional.
4. HSDPA router and HSDPA modem provides GPS feature optional.
5. HSDPA router supports dialup automatically, and can get a WAN port for cable modem for backup line.
HSDPA modem supports at command, especially for SMS.
Original from zouyanbing's blog of Wireless & Cellular Modem/Router/AP Device