FeaturesInternal GPS (Frequency L1 1560 -1590 MHz ) and GPRS antenna: Dual band; Class 10, Device class B, TCPIP Frequency band: L1 8501900MHz and 9001800MHz.Capacity to store 15000 positional logs on the devices internal memory.Alert on opening of the assembly of the Integrated GPS Fare Meter or tampering with the SIM card trayDisplay has 4 x 20 backlit LCD, to display Fare and other information.Capability to integrate two way voice communicationsIP54 protection classification, Operational Temperature Range : -10C to +60CTransmission of Data on GPRS (primary mode of transmission) & SMS (used as back-up).Parameters configurable over the air (should be supported over SMS)Provision to indicate visually, the power, GPS, GPRS and device statusData update rate to server is configurable and Multiple modes are supported (Active, Normal & Standby)Display Terminal & Buttons to support, Trip Start, Trip End, Waiting (Visual Display), Panic Button & PANIC Mode will display in case the device is in the PANIC mode