Módem GSM - HD67302-B2-02 - ADFweb.com - de alarma / en riel DIN / con E/S digital
USB GSM programmable modems India
MODEM MODEM DTU Es Compatible Con Transferencia Transparente SMS Con Puerto RS485 Para Medidor Inteligente PLC GSM / GPRS / Sistemas De Alarma 3G / 4G De 113,49 € | DHgate
Siemens S7-1200 PLC communicates through Sinaut MD720-3 cellular modem | DMC, Inc.
Tunnel - An advanced example for reading 2 serial devices using a single modem/SIM and simultaneously using GPRS connection and GSM calls. There is additional serial tunnelling when there are no GSM/GPRS
Westermo GDW-11 Art No. 3615-0001 GSM/GPRS Modem PLC | eBay
END OF LIFE : PLC MAX H04 con GSM communicator (SMS, CLIP) + Display, tasti
Modbus RTU (RS485) controller with GSM modem - EM-486
Industrial Rs232 Serial Gsm Gprs Modem For Scada PLC,Datalogger,Alarm - Xiamen Bivocom Technologies Co., Ltd.