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UM552 GPS Tracker

Share of UM552 GPS Tracker History Traces

UM552 GPS Tracker

By In Blog On September 2, 2022

What is UM552 GPS Tracker?

UM552 is a newly designed vehicle tracking device. Its working voltage is from 9V to 90V, which makes it suitable for tracking and monitoring of motorbikes, cars, and trucks.

UM552 Features:

  1. Realtime tracking by web and APP
  2. Power tamper alarm by SMS and call
  3. Shock alarm by SMS and call
  4. Engine cut off with a relay
  5. ACC ON alarm by SMS and call
  6. Geo-fence alarm by web and APP
  7. Over-speed alarm: vehicle driving speed is above preset speed value.
  8. Engine idle alarm: the engine is on but the vehicle does not move.
  9. History traces playback by Web and APP
  10. Report: Historical Location Report, Travel Report, Park Report, Alarm Report.

UM552 Specifications:

Content Specs.
Dim. 77*28*16mm
Network GSM/GPRS
Frequency 850/900/1800/1900 MHz
GPS chipset MTK high sensitivity chip
Location accuracy <10 meters CEP
Time To First Fix(open sky) Cold status <35s   Hot status  <1s
Working voltage 9-90VDC
GPRS Protocol TCP/IP
Operating temp. -20°C to +70°C
Consumption 5mA~50mA

UM552 SMS Commands:

Admin number admin123456 Tel The last binding is valid
APN setup apn123456 cmnet Replace cmnet with local APN
Change password password123456 X X is new 6 digits password
Status check CXZT
Google Link Map
Cut fuel DY123456 Resume fuel KY123456
Restart GPS CQGPS Restart Device CQ
Overspeed value setup speed123456 080
Power cut SMS alarm pwrsms123456,X  




X=1, open. X=0, close


Power cut call alarm pwrcall123456,X
ACC Arm/Disarm ACCLOCK,123456,X
ACC ON SMS alarm accsms123456,X
ACC ON call alarm acccall123456,X
Shock alarm control shock123456,X
Shock SMS alarm 125# Close 126#
Shock call alarm 122# Close 121#

UM552 GPS Tracker Relay Connection

Relay is connected to cut off vehicle engine or power in case of emergency. Relay has 12V and 24V.

um552 relay connection

UM552 History Playback

UM552 is widely tested in Kenya, Nigeria, Uganda, Ghana, Sierra Leone, Zambia, Tanzania and China etc. Below are some screenshots of the devices, from which we can see the traces look great. No Jump, No straight line, No cross houses or roads, and each turn is recorded as well. We shall share more.

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