... interface industrial grade gsm MC52iT industrial wireless modem RS232 gprs gsm modem low ... interfaces: RS232 serial port, TJ-4P4C connector for audio handset connecting, TJ6-6P6C power connector. ... machines, as well as in other systems with wireless data transmission. iRZ MC52iT is used in: • ... dept. in Russia MC52iT industrial wireless gprs gsm modem low price for meter reading, ATM,Control System