Specification:
GSM Specifications
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:
GPRS multi-slot class 12 (10 by default)
GPRS mobile station class
UMTS/ HSPA Specifications (GV300W):
UMTS: 850/1900/2100 MHz
UMTS: Class 3 (0.25W@850/1900/2100 MHz)
Data Transmission:
HSDPA R5: Max 3.6Mbps (DL)
WCDMA R99: Max 384Kbps (DL)/Max 384Kbps (UL)
GNSS Specifications :
GNSS Type: u-blox All-In-One GPS receiver
Sensitivity:
Autonomous: -147 dBm
Hot start: -156 dBm
Reacquisition: -160 dBm
Tracking: -162 dBm
Position Accuracy(CEP): Autonomous: < 2.5m
TTFF (Open Sky):
Cold start: 27s average
Warm start: 27s average
Hot start: 1s average
Interfaces:
Digital Inputs:
1 positive trigger input for ignition detection
2 negative trigger inputs for normal use
Configurable Input:
1 special input can be configured as a negative trigger digital
input or an analog input (0V-16V)
Analog Input: 1 analog input (0.3V-16V)
Digital Outputs: 2 digital outputs, open drain, 150 mA max drive current
Latched Digital Output: 1 digital output with internal latch circuit, open drain, 150 mA max drive current
Two-way Audio: 2 differential outputs
Interfaces: 1 single end input
Cellular Antenna: Internal only
GNSS Antenna: Internal antenna and optional external antenna
LED Indicators: CEL, GNSS, PWR
Mini USB Interface: Used for upgrading and debugging
Serial Port: 1 RS232 serial port on 16 pin molex type connector, for external devices (GARMIN protocol support)
General Specifications:
Dimensions: 80mm(L) x 49mm(W) x 26mm(H)
Weight : 72 g
Backup Battery: Li-Polymer, 250 mAh
Operating Voltage: 8V to 32V DC
Operation Temperature:
-30℃ ~ +80℃ -40℃ ~ +80℃ for storage (GV300)
-30℃ ~ +70℃ -40℃ ~ +70℃ for storage (GV300W)
Air Interface Protocol:
Transmit Protocol: TCP, UDP, SMS
Scheduled Report : Report position and status based on preset time 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
Tow Alarm: Alarm for tow event in ignition-off state
Antenna Disconnect: Alarm when external GPS antenna is disconnected
Alarm
Driving Behavior: Aggressive driving behavior detection, including harsh braking,
Monitoring: acceleration, etc.
Crash Detection: Accident data collection for reconstruction and analysis
Special Alarm: Special alarm based on digital/analog inputs
Remote Control: OTA control of digital outputs