Key Features: GNX-3 GNX-2
Quad band Class 12 GPRS Modem
Multi-GNS GPS, GLONASS and QZSS with AGPS support.
Internal GPS and GPRS Antenna
USB 2.0 Device
RS-232 Port to Interface with Mi-Fare / 125KHz RFID / Transparent Port.
CAN Bus - OBD-II (ISO 15765-4 ) or J1939.
Analog Input 0-30V or 4-20mA.
Digital Inputs - 4 nos.. Alternate Functions Odometer Pulse, Panic, Ignition, Seat Belt.
Digital outputs - 2 nos. Altrnate Functions Immobilizer and Buzzer.
1- Wire Protocol. To Interface with i-button or Temperature and Humidity Sensor.
Voice Support (Mic + Speaker)
3 Axis Accerlerometer.
3 nos. of dual color LEDs to Indicate Power, GPRS and GPS status.
Can store upto 15000 logs during GPRS disconnection.
Battery back-up upto 6 hrs. with 2 minutes data update.
Can be configured using USB port or SMS or through TCP/IP commands.
Over the Air firmware update (OTAF / FOTA).
Location data capture based on Time, Distance and turn angle.
Geo fencing (upto 8 point polymomial) and 3 nos. of Geo Zones.
Driver Login Logout and vehicle Immobiliser using 125KHz RFID card or i-Button.
Upto 100 nos. of driver ID storage.
Panic Button - Device dials a programmed phone number when Panic Button Pressed.
True distance measurement using Vehicle odometer pulses (Programmable K-factor).
Vehicle Moving indication can be derived from Ignition status / Odometer pulse / GPS Tracker data / Accelerometer.
In-built application firmware for Mi-Fare card Interface (for student tracking in school bus applications).
In-built application firmware to integrate ay Android Tablet through USB -OTG for taxi metering and dispatch functions.
Alerts for Mains power absense, Device open, SIM card removal and low battery.
Towing Alert, Over speeding alert, Harsh braking or acceleration alert.
Technical Specifications GNX-3 GNX-2
MCU Core ARM Cortex –M4 @ 48MHz
Memory 256KB Flash, 60KB RAM
Memory for Logs Type On board Data Flash 2 M Byte / 15000 logs
Accelerometer Type 3 axis accelerometer with digital interface
Acceleration Up to +/- 8g
GPRS Frequency Quad Band
GPRSClass Class 12
Protocol TCP / IP, HTTP.
Antenna Internal
GPS + GLONASS Frequency 1575.42 MHz –GPS, 1601.71 MHz - GLONASS
Output format NMEA0183
No. of Channels 33 Tracking , 99 Acquisition
Accuracy 2.5 Meters Average CEP (Circular Error Probable)
USB Type Device
Speed USB 2.0
Connector Micro USB AB
RS-232 Baud rate 2400 to 115200 configurable
Hardware handshaking No
CAN Speed 250 / 500 Kbps
Stack As per ISO 15765-4 or J1939
Analog Inputs Input Range 4-20mA Current and 0-30V Voltage
Calibration and scaling Yes
Digital Inputs No. of Inputs 4
Voltage Threshold 0-3V Low, 3 to 36V High
Alternate Functions Odometer Pulse, Ignition, Panic
Digital Outputs No. of Outputs 2
Alternate Functions Geo Fencing, Buzzer
Type Open collector, Fault tolerant
Max. Current 200mA DC Max.
1-Wire Function Alternate to Digital Input -4. For i-Buton or Temperature Sensing
Voice Function Type Mic, Speaker 1W 4 Ohm can be connected externally
Internal Battery Type Li-ion Rechargeable
Capacity 1150 mAH
Back-up Time 6 Hrs. with GPRS data rate of 2 minutes
RTC Battery Type Lithium, Primary
Power Supply Type Switching Regulator
Input Voltage Range 9 to 40 VDC
Power Consumption 3 Watt Max.
Protection Circuits For Short circuit, over current, Load dump, Reverse polarity
Indications LED Dual color LEDs for Power, GPS, GPRS
Temperature Operating Range -10 Deg. C to +60 Deg. C
Dimensions in MM 115 X 65 X 30 mm.
Enclosure Material Plastic ABS + PC
Ingress Protection IP 54
Weight in Kg. 0.250 (Approx.)
Copyrights 2023, Trackschoolbus. All rights reserved. Privacy Policy Digital Marketing by JointViews