GV55 Series specifications Cost effective mini telematics devices for vehicle security and light duty applications Quad band: 850/900/1800/1900 MHz Compliant to GSM phase 2/2+ -Class 4 (2W @ 850/900 MHz) -Class 1 (1W @ 1800/1900 MHz) GPRS multi-slot class 12 (10 by default) GPRS mobile station class B General Specifications HSDPA R5: Max 3.6 Mbps (DL) WCDMA R99: Max 384 kbps (DL) / Max 384 kbps (UL) Backup Battery UMTS/ HSPA Specifications (GV55W) Frequency Standby Time UMTS: 850/1900/2100 MHz UMTS: Class 3 (0.25W@850/1900/2100 MHz) Li-Polymer, 250 mAh Without reporting: 59 hours 5 minutes' reporting: 35 hours 10 minutes' reporting: 45 hours Operating Voltage Operating Temperature Without reporting: 34 hours 5 minutes' reporting: 19 hours 10 minutes' reporting: 23 hours Air Interface Protocol GNSS Specifications GNSS Type u-blox All-in-One GPS receiver Autonomous: -147 dBm Hot start: -156 dBm Reacquisition: -160 dBm Tracking: -162 dBm Cold start: 27s average TTFF (Open Sky) Warm start: 27s average Hot start: 1s average Transmit Protocol TCP, UDP, SMS Power Supply Monitoring Alarm status reporting of the external power and backup battery of the device Scheduled Report Report position and status based on preset time intervals, distance, mileage or a combination of these settings Geo-fence alarm and parking alarm, support up to 20 internal geo-fence regions Alarm for tow event in ignition-off state Speed Alarm Flexible speed monitoring for unusual speed alarm Driving Behavior Monitoring Aggressive driving behavior detection, including harsh braking, acceleration, etc. Crash Detection Accident data collection for reconstruction and analysis Special Alarm Special alarm based on digital inputs Remote Control OTA control of digital outputs Jamming Detection Alarm based on jamming detection Digital Inputs 1 positive trigger input for ignition detection 1 negative trigger input for normal use Digital Output 1 digital output, open drain, 150 mA max drive current Latched Digital Output 1 digital output with internal latch circuit, open drain, 150 mA max drive current Cellular Antenna Internal only Internal only