... device via sms or gprs connectivity, GSM GPRS wireless sms printer/Thermal printer/PIN POS, POS terminal GPRS POS hardware POS, point ... : 4N 030Product: POS, EVD 1. Introduction of SMS Printer & cell airtime rechargerGSM Printer/SMS printer/Airtime Recharger is a wireless standalone transaction terminal ... phone bill, for example $10.00, the user will pay cash $10.00 to the agent, then the agent will pay ...