... 1.Support billing shown in double LCDS 2.Support printer, remote dispay 3.GPRS, STK, USSD, SMS GSM Fixed Wireless ... dialing numbers.10).Transmit tariff and parameter by local or remote management center.11).Displaying the Service Providers name, signal, electricity ... date according to the automatic in-phase network.12).Support remote display.13).GPRS (optional).14).Support printer.15) Can support ...