Device is using GT06 protocol.
GT06_GPS_Tracker_Communication_Protocol_v1.8.1.pdf
GT07_GPS_Tracker_Communication_Protocol_v1.4neutral.pdf

Decoded login packet.
Total packet length is 10+N bytes:

• 78 78 start sequence
• 0d packet length = 13 (5+N bytes, so 8 bytes information content)
• 01 procol number 1 - login message packet
• information content 8 bytes
  • 01 23 45 67 89 01 23 45 - device id = IMEI number
• 00 51 - information serial number
• 5f 33 - error check
• 0d 0a - stop sequence

https://www.traccar.org/

• Port 8082 by default
• default credentials: admin / admin
• GT06 protocol port 5023

Documentation Protocols

Docker

Configure your GT06 tracker with to send tracking info to your traccar server domain name and port 5023 (GT06 protocol):

#IP#123456#traccar.server.org#5023#

Check traccar log for device ID (it is the same as device IMEI)

...                                            
2019-11-20 08:32:44  WARN: Unknown device - 123456789012345 (5.173.154.100)
...

Login to Traccar WEB UI (localhost:8082), and add device. Use IMEI as Identifier.

Restart online tracking on your GT06 device (location every 60 seconds):

#noat#123456# 
#at#60#sum#0#

http://traccar.litvak.su/installation.html Not working with current traccar version (v 3.6)