... protocol stack.External interfaces: RS232 serial port, TJ-4P4C connector for audio handset connecting, TJ6-6P6C power connector. The main functions ... with wireless data transmission. iRZ MC52iT is used in: • banking(ATM, POS) • SMS Gateway • Lift Monitoring • Logistics and vehicle tracking • Traffic ... . in Russia MC52iT industrial wireless gprs gsm modem low price for meter reading, ATM,Control System