IP Modem
![](http://www.is-tek.com/wp-content/uploads/2018/04/gsm-modem.jpg)
Specifications and Features
GSM/GPRS/2G/3G Network
Support TCP/IP and UDP
Support multi-mode interfacing including SMS, voice and data
Support 5 data centers at the same time
RS232/RS485/RS422 port
Operating voltage 5-30Vdc
Operating temperature standing from -200C to +700C