GV355CEU specifications All-purpose LTE Cat 1 telematics terminal with CAN and digital tachograph data reading Operating Band Data Transmission Data Transmission EDGE: Max 236.8Kbps (DL)/Max 236.8Kbps (UL) GPRS: Max 85.6Kbps (DL)/Max 85.6Kbps (UL) GNSS Specifications Item GNSS Type u-blox All-in-one GNSS receiver Constellation Support GPS, Glonass, Galileo, Beidou Cold start: -148 dBm Hot start: -160 dBm Tracking: -167 dBm Position Accuracy Autonomous: <2m (CEP) TTFF (Open Sky) Cold start: 24 seconds average Hot start: 1 second average General Specifications Item Backup Battery Operating Voltage 8V ~ 32V DC Operating Temperature Digital Input 1 x positive trigger input for ignition detection 3 x negative trigger inputs Analog Input 1 x analog input (0V~ 16V) 1 x analog input (0V~ 30V) Report position and status based on preset time Scheduled Report intervals, distance, mileage, or a combination of these settings Digital Output Latched Digital Output 1 x digital output one with internal latch circuit, open drain, 150 mA max drive current Low Power Alarm Alarm when backup battery is low Power On Report Report when the device is powered on 1 x configurable digital input/digital output Alarm for tow event in ignition-off state Serial Port Driving Behavior Monitoring Harsh driving behavior detection, including harsh braking, acceleration, etc. Crash Detection Accident data collection for reconstruction and analysis CAN1H/CAN1L: Support reading CAN bus data in heavy (J1939/ FMS) and light vehicle CAN2H/CAN2L: Support reading and download tachograph data Support reading CAN bus data in J1708 and OBDII Special Alarm Special alarm based on digital/analog inputs Remote Control OTA control of digital outputs Remote Tachograph Downloading Read live data and download DDD file from tachograph Connect D8 of tachograph for live data reading Cellular Antenna Internal antenna GNSS Antenna Internal antenna Internal antenna Cellular network, GNSS, Power status, CAN/ J1708/Tachograph status Used for configuration, upgrade and debug Support 1-wire temperature sensor and iButton driver ID Geo-fence alarm and parking alarm, support up to 20 internal geo-fence regions