• T-Box(3G)
  • T-Box(3G)
  • T-Box(3G)
  • T-Box(3G)
  • T-Box(3G)


Model NO. EV-228W

EV-228W is a smart GPS tracker with built in GPS and UMTS/HSPA+ module which can be used for a variety of vehicle tracking applications.
It is able to monitor vehicle location, detect driving behavior, and remote control.
It can extend various peripherals with multiple I/O interfaces and read diagnostic info from vehicle ECU with optional engine module. 

Realtime Tracking

Can report the real-time location according the time interval ,distance,heading change.


Driving Behavior

Including speeding, hard acceleration, hard deceleration etc.

Battery Monitor

Can report the battery voltage realtime to monitor the battery status.

Fuel Consumption

Statistics the trip fuel consumption.


Engine Data

Read engine data and diagnostic trouble codes .


Statistics the trip mileage.

Remote Power off

Remote power off the engine via connect a relay.

Mechanical Size 110mm (L) x 60mm (W) x 25mm (H)
Weight 100g
Interface OBD II (Optional) 1 x K/L line, 1 x CAN bus, 1 x J1708 bus on a 2 x 5P connector
Multiple I/O 3 x Digital output, 2 x Digital input, 1 x Analog input on a 2 x 4P connector
Serial Port 1 x RS-232 on a 2 x 2P connector
Configuration Port Micro-USB
SIM Card Socket Micro SIM, Push-Push type
Data Transmission Packet data (HSPA) and SMS
Positioning Method GPS
Storage 2MB FLASH, up to 24,000 GPS data storage
OBD Protocol (Optional) SAE J1850 PWM
ISO 9141-2
ISO 14230-4
ISO 15765-4
SAE J1939
SAE J1587/J1708
Power Working Voltage 9-36VDC
Working Current Max.: <200mA@13.8/27.6VDC
Average: <150mA@13.8/27.6VDC
Sleep mode: <10mA@12/24VDC
Backup battery 3.7V/160mAH
GPS Channels: 66
Sensitivity: -165dBm
Accuracy: 5m CEP
Time to first fix:
Cold start: <30s (typ.)
Hot start: <1s (typ.)
Cellular Frequency:
UMTS/HSPA+ 850/900/1900/2100MHz
GSM/GPRS/EDGE 850/900/1800/1900MHz
Network protocol: Embedded TCP/IP stack
6-axis IMU Driving behavior detection
LED Indication GPS/Cellular/OBD indication
Buzzer System status/Alarm indication
Antenna Cellular Internal
GPS Internal
Environment Working Temperature -30℃ ~ +70℃
Storage Temperature -40℃ ~ +85℃
Humidity 5%~95%(no fog)

Yes, Once the device is fully active you can switch it between vehicles as you desire.
Yes the OBD unit can be installed in less then 30 seconds.
The devices use the cellular networks to transmit data back to our servers. All the location are obtained using a minimum of 4 satellites . This unit is currently only offered on the AT&T network.
By default the devices do not make any noise. All devices have dim LEDs. You can cover them if needed and it will not impact service.
Every passenger vehicle manufactured since 1996 has an OBD port. Heavy duty trucks manufactured after 2000 are compatible and will have one of two ports. 6 pin J1708 or 9 pin J1962. You will need an adapter or the HD Y cable.
4G OBD GPS Tracker

16pin Flat Extension Cable


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4G OBD GPS Tracker

9(6)-Pin deutsch wiring harness

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4G OBD GPS Tracker

ACC Power Converter 


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4G OBD GPS Tracker

Engine cut off relay 


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