Active filters
ZigBee type
USB
WWW Panel
Common features
Interfaces
USB
Ethernet
GSM Modem
GPRS
3G/HSPA
Wireless communication
Wi-Fi
GSM Modem
Ethernet device type
Router
Device features
WWW Panel
Serial ports
RS-232
RS-422
RS-485
Converter type
Simple device
Switch features
Non-fiber
Module type
Industrial modem