GSM/GPRS Modem,excellent partner of Credit POS terminal in the supermarket or shopping mall,Cinterion MC55 ... ,the gprs modem is necessary partner of credit card terminal which is used widely in supermarket or shopping mall ... popular in India,Morocco,South Africa,South America(Q24plus module inside).Here below are the details for your reference ... cable connect them together GPRS MODEM Simens MC55 module