Tag Archives: gps

Using TK103A GPS tracker with traccar server

TK-103A tracker

Some time ago i decided to install on my car GPS tracker to get information about my routes, car location, etc. After quick research i found “Mini TK103A” tracker on the eBay, which is costs about 30$.

s-l1600

Device looks solid and can be configured by sms commands. Most important are “begin123456” (initialization), “admin123456 (adds numbers to the trusted list) and adminip (gprs settings). Full command list is provided in the documentation.

“USB” port

Tracker do have micro-USB socket, however it is not real USB, it is just serial port soldered on microusb plug. I been able to get information from it using USB-Serial TTL converter. It sends a lot of debug information on 115200/8N1 speed. Debugging information is useful when you configuring and testing the tracker.

04-26 15-63-40  EINT PWR CONNECT
04-26 15-63-40  motion_close
01-15 00-00-00  SENDDATA:0
01-15 00-00-00  NO SERVICE
01-15 00-00-00  T-card not ready!
01-15 00-00-00  FILE2222:
                         01-15 00-00-00:

01-15 00-00-00  password1=:123456
01-15 001-15 00-00-00  CENTER NUMER1:+420123123123
01-15 00-00-00  CENTER NUMER2:
01-15 00-00-00  CENTER NUMER3:
01-15 00-00-00  CENTER NUMER4:
01-15 00-00-00  CENTER NUMER5:
01-15 00-00-00  heartbeat time:3
01-15 00-00-00  SENDDATA:0
01-15 00-00-00  send Packet time:15
01-15 00-00-00  sms_gprs=1
01-15 00-00-00  time_zone:2,8,0
01-15 00-00-00  voice_temp:1
01-15 00-00-00  shave alarm:0,35
01-15 00-00-00  ACC:0
01-15 00-00-00  speed alarm:0,120
01-15 00-00-00  speed alarm time:5
01-15 00-00-00  s alarm time:5
01-15 00-00-00  move alarm=0
01-15 00-00-00  JT=0
01-15 00-00-00  JT TIME=3
01-15 00-00-00  TRACE :2
01-15 00-00-00  lang=1
01-15 00-00-00  APN=1
01-15 00-00-00  ���ϴ�ʱ��:1
01-15 00-00-00  powr=1
01-15 00-00-00  weilan:0
01-15 00-00-00  num:255
01-15 00-00-00  loud_spe=1
01-15 00-00-04  NO SERVICE
01-15 00-00-04  NO SERVICE
01-15 00-00-04  NO SERVICE
01-15 00-00-04  NO SERVICE
01-15 00-00-04  NO SERVICE
01-15 00-00-05  NO SERVICE
01-15 00-00-07  NETWORK NORMAL
01-15 00-00-07  NETWORK NORMAL
01-15 00-00-10  T-card not ready!
01-15 00-00-10  FILE2222:
                         01-15 00-00-10:

01-15 00-00-12   IMEI��:352887072123123
01-15 00-00-12   IP/PORT:1.2.3.4/9000
01-15 00-00-12   VER:MAUI.10A.W11.08.MP.V25 2015/09/11 12:38
01-15 00-00-12   ---------------------------------------------------
01-15 00-00-12   SIM CARD------------------OK!
01-15 00-00-12   GSM Signal----------------OK!
01-15 00-00-12   SOCKET----------------NG
01-15 00-00-12   G-Senser------------------OK!
01-15 00-00-12   GPS Location----------NG
01-15 00-00-12   PWR EINT--------------NG
01-15 00-00-12   ACC EINT--------------NG
01-15 00-00-12   SOS EINT--------------NG
01-15 00-00-12   BATTER/Vin-----------4.11/11.97
01-15 00-00-12   ---------------------------------------------------
01-15 00-00-12   GPS Location:86,Satellite:2-----------
01-15 00-00-12  num:255

I also found some references that this port can be used to reflash the tracker, however i never tried that.

Sending data to the server

After GPRS host/port configuration you can enable GPRS mode where all data will be sent to the remote server. I found that OpenSource TracCar software supports such devices and provides web+android interfaces. It was found that this specific tracker using GT06 binary protocol. Traccar supports it out of the box, you just have to choose correct port on the server/client. Traccar also supports data logging to the external database (MySQL, Pg, etc.), so it should be easy to integrate it with anything you need.

Some security considerations

All data from tracker to the monitoring system is sent unencrypted and can be easily decoded on transit if traffic is captured. This device also allows to add some “security alarm” features, including ignition and oil pump control. I personally feel that it is very dangerous and should not be used at all. I think such features are good example of the InternetOfShit coming 🙂

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