3G Vehicle Tracker-1052C
  • Overview
  • Specification



UniTraQ's next generation 3G AVL, VT-1052C (3G vehicle tracker) is a 3G vehicle tracker. It is a versatile and economical platform for mobile positioning applications. It integrates UniTraQ GPS module with Quad-band GSM and Tri-band WCDMA network communication module and powerful microcontroller all onto a single board. The VT-1052C (3G vehicle tracker) provides high-speed link functionality by WCDMA cellular interfaces. It is enclosed in a solid casing for easy installation.


  • Supports Quad-band GSM/GPRS/EDGE (850/900/1800/1900) operation
  • Supports Tri-band WCDMA (850/1900/ 2100) operation
  • Java platform MIDP_2.0 virtual machine for easy and fast application development
  • Supports TCP/UDP/HTTP
  • Real-time vehicle status monitoring
  • Management capability through SMS, GPRS,HSDPA
  • 3 Bi-directional digital IO ports and 3 Analogue ports with voltage to 12V
  • 1 RS232 interface with DB9 connector for Java program updating
  • Additional 2 RS232 interfaces for data communication with external devices
  • 1 USB host interface for USB device connection
  • Power supply and low battery detection acknowledge
  • Support sleeping mode
  • 4 LED indicators for Power, Battery Charging, Mobile, GPS status
  • Built in Tri-axial G-sensor to report motion or accident sensing, sensitivity range ±4G
  • Built-in 1100mAh Recharge battery


General Specifications



Platform Java, MIDP 2.0
Power Supply 9~40 VDC
Power Consumption

Sleeping mode:20 mA(Typical)


Firmware upgrade RS232 interface, by the air interface
Function Setting RS232 interface, by the air interface
SIM card type 1.8V, 3V
LED Status Indivator Power, Battery charging, Mobile, GPS
Serial port interface

1 RS232 interface for Menu interface and configurations

2 RS232 optional for data communications

USV host interface

IO Ports 3 Bio-directional IO and 3 Analogue Input ports(~12V)

GSM/GPRS/CDMA/HSDPA Specifications




Quad band GSM/GPRS 850/ 900/ 1800/ 1900 MHz

Tri-band WCDMA/HSDPA 850/ 1900/ 2100 MHz

Output Power

Class 4(2W) for EGSM 850 and 900

Class 1 (1W) for GSM 1800 and 1900

Class 4 (2W) for WCDMA 1900 and 2100

Protocol Support TCP/UDP
GPRS Multi-slot Class 10
GPRS Mobil station Class B
Coding scheme CS1, CS2, CS3, CS4
PBCCH support Yes
USSD support Yes
Downlink/ Uplink max

85.6 Kbps/42.8kbps(GPRS)

3.6Mbps/384 kbps (WCDMA)

GPS Specifications



Protocol NMEA 0183 Ver3.01
Receuver channels/ Fixing method 50 channels all in view
Acquisition sensitivity -144 dBm
Tracking sebsitivity -160 dBm
Receiver frequency 1575.42MHz L1 C/A Code


(1) Position

(2) Datum


2.5m CEP

WGS-84 (Default)

Time To First Fix

(1) Cold start

(2) Warm start

(3) Hot start


29 Sec(typ)

29 Sec(typ)

1 Sec(typ)

Dynamatic condition 4G (39.2m/ sec2)
Interface UART

Operational Limits

(1) Altitude

(2) Velocity




Bit rate 9600 bps
Start bit 1 bit
Stop bit 1 bit
Data bit 8 bit
Parity None
Output sentences GGA, GLL, GSA, GSV, RMC, VTG, TXT
Refresh time 1 sec (Max.:4Hz)