GV305CEU specifications Versatile LTE Vehicle Tracker with BLE and Multiple Interfaces EGPRS Specifications Operating Band Data Transmission Data Transmission EDGE: (DL) 236.8 Kbps/(UL) 236.8 Kbps GPRS: (DL) 85.6 Kbps/(UL) 85.6 Kbps General Specifications GNSS Specifications GNSS type u-blox All-in-one GNSS receiver GPS, Glonass, Galileo, Beidou Backup Battery Constellation Support Operating Voltage Operating Temperature Cold start: -148dBm Hot start: -160 dBm Tracking: -167 dBm Position Accuracy Autonomous: <2m (CEP) Cold start: 24s average Hot start: 1s average Interfaces Digital Inputs 1 positive trigger input for ignition detection 4 negative trigger inputs Analog Inputs Digital Output Latched Digital Output 1 digital output with internal latch circuit, open drain, 150 mA max drive current Serial Port 1 RS232 serial port on 22 pin Molex type connectors, for external devices. 1 RS485 serial port on 22 pin Molex type connectors, for external devices Transmit Protocol TCP, UDP, SMS Report position and status based on preset time Scheduled Report intervals, distance, mileage, or a combination of these settings Geo-fences Geo-fence alarm and parking alarm, support up to 20 internal geo-fence regions Low Power Alarm Alarm when backup battery is low Power On Report Report when the device is powered on Alarm for tow event in ignition-off state Driving Behavior Monitoring Aggressive driving behavior detection, including harsh braking, acceleration, etc. Cellular Antenna Internal only GNSS Antenna Internal antenna Crash Detection Internal only Accident data collection for reconstruction and analysis Special Alarm Special alarm based on digital/analog inputs Cellular network, GNSS, Power status, BLE status Remote Control OTA control of digital outputs Used for configuration, upgrade and debug 1 (Support 1-wire temperature sensor and iButton driver ID)