1.GSM Thermal Printer 2.SMS Printer 3.Airtime Recharger, Prepaid Airtime, Money Transfer 4.Payphone 5.GPRS,IVR,SMS,STK,USSD Key Words: SMS Printer, airtime recharger, wireless sms printerFor more information, please visit www.telpo.com 1. Introduction of GSM Printer/SMS printer/Airtime Recharger GSM Printer/SMS printer/Airtime Recharger is a wireless standalone transaction terminal, it provides a ...