... and date, to ensure the accuracy of the meter parameters. 4,Invoices printed in manual, automatic ... . Drivers’ information and various data on taxi meter can be stored within. Taxi management departments can ... /GRPS is set to transfer management data automatically.11,Support TCP, UDP, SMS to convey positioning ... Tri-band GSM/GPRS engine that works on frequencies EGSM 900 MHz, DCS 1800 MHz and PCS1900 ...