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MICODUS ML935 - User Manual

MICODUS ML935
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ML935 User Manual V1.0
Learn how to set up your new MiCODUS Tracker
Copyright ©2022 MiCODUS | All Rights Reserved
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Questions and Answers

  • M
    michael31Aug 2, 2025
    What to do if MICODUS GPS platform position is different from the actual position?
    • V
      Valerie ThompsonAug 3, 2025
      If the platform position of your MICODUS GPS differs from the actual location, it might be because the GPS unit doesn't have a GPS signal and is displaying the last known GPS location. To get the latest position, call the SIM number of the tracker. Another reason could be that the GPS hasn't reached its next scheduled upload time.
  • S
    Susan LandryAug 7, 2025
    Why MICODUS ML935 has no GSM signal?
    • B
      Brandon AndersonAug 7, 2025
      If your MICODUS GPS shows no GSM signal, there might be a few reasons: * The SIM card may not be installed correctly. * The SIM card might not be a GSM network SIM. * The PIN code may be turned on. * Calls may be diverted.
  • D
    Dr. Elizabeth BrownAug 11, 2025
    What to do if SMS position is OK, but cannot use the APP and web platform for MICODUS ML935?
    • J
      joshua67Aug 11, 2025
      If the SMS positioning for your MICODUS GPS is working, but you cannot use the APP and web platform, check if the APN settings are correctly configured. Also, ensure you have the correct APN content for the SIM card being used.
  • T
    Tamara JonesAug 15, 2025
    What to do if MICODUS ML935 fails to turn on?
    • G
      Gene RiosAug 15, 2025
      If your MICODUS GPS fails to turn on, please check if the battery is charged.
  • R
    Rachel OchoaAug 19, 2025
    Why MICODUS ML935 GPS has no GPS?
    • R
      Rebecca OrrAug 19, 2025
      If your MICODUS GPS has no GPS signal, it is recommended to ensure the device has a more open view of the sky to receive the GPS signal normally.
  • C
    Christopher JenkinsAug 25, 2025
    Why MICODUS GPS has no reply to SMS command?
    • N
      nichole30Aug 25, 2025
      If your MICODUS GPS is not replying to SMS commands, the password may be wrong, or the SMS format is incorrect.
  • R
    Robert ThomasAug 28, 2025
    What to do if MICODUS GPS has no reply to calling and no alarm message?
    • P
      Phillip MontgomeryAug 28, 2025
      If your MICODUS GPS is not replying to calls and you're not receiving alarm messages, the authorized/admin phone number is either incorrect or has not been set up.

Summary

Main Features

Specifications

Product Structure

Getting Online

Package Content

Functions Explanation

Manage Multiple Devices

Explains adding multiple device IDs to a single account for centralized management on the tracking platform.

Voice Monitoring

Details setting an admin number and switching to voice monitor mode via SMS commands.

Installation Recommendation

Troubleshooting

SMS Commands List

Questions and App Download

Overview

The MiCODUS ML935 is a compact and versatile GPS tracker designed for various applications, including pet tracking and asset monitoring. It boasts a robust set of features, combining accurate positioning with practical monitoring capabilities and a long-lasting battery.

Function Description:

The ML935 offers real-time tracking, allowing users to monitor the device's location continuously. It supports both GPS and LBS (Location Based Service) dual positioning, ensuring reliable location data even in areas with weak GPS signals. The device can record and playback historical routes, providing a comprehensive overview of past movements. For enhanced security and monitoring, it includes a geo-fence feature, which allows users to define virtual boundaries and receive alerts when the device enters or exits these areas. A voice monitor function enables remote listening to the surroundings of the tracker, adding an extra layer of surveillance. The device is also designed to be waterproof with an IP65 rating, making it suitable for outdoor use and resilient against splashes and dust.

Important Technical Specifications:

  • Model: ML935
  • Weight: 116g
  • Dimensions: 94mm (L) x 46mm (W) x 31mm (H)
  • Battery: 3.7V 3000mAh Lion Polymer Battery
  • Charging Time: Approximately 7 hours
  • Battery Working Time: 7-15 days in tracking mode (1-minute reporting interval)
  • Working Voltage: DC 3.4V - 4.5V
  • Working Current: 4V/Average 45mA
  • Sleep Current: 4V/less than 5mA
  • Working Temperature: -20 °C to 75 °C
  • Working Humidity: 10%-85%RH non-condensing
  • Cellular Network: 2G GSM/GPRS: 850/900/1800/1900MHz
  • SIM Card: Normal SIM Card (Built-in Cellular Antenna)
  • Positioning Type: GPS+LBS+GPRS (Built-in GPS Antenna)
  • GNSS Sensitivity: -162 dBm (Tracking)
  • GPS Channels: 64
  • Position Accuracy: 5-10m
  • Cold Start: ≤32 Seconds
  • Hot Start: ≤1 Second

Usage Features:

The ML935 is designed for ease of use, with a straightforward setup process. To get the tracker online, a suitable Normal SIM card compatible with the 2G GSM network is required. This SIM card must have SMS, call, and internet data traffic enabled, with the caller ID display feature active, and the PIN code removed. Users need to configure the APN (Access Point Name) settings via SMS commands, which is crucial for the device to connect to the internet and transmit location data.

The device supports various SMS commands for configuration and control, including:

  • GPRS control: GPRS+123456 (Open GPRS), noGPRS+123456 (Shut GPRS)
  • APN settings: apn+123456+apn content, apnuser+123456+space+content, apnpasswd+123456+space+content
  • Authorized numbers: admin+123456+space+number (Set authorized number), noadmin+123456+space+number (Remove authorized number)
  • Password change: password+old 123456+space+new 123456
  • Retrieve password: cpwd
  • Timezone setting: timezone+123456+space+GMT No.
  • Monitoring modes: monitor123456 (Monitor mode), tracker123456 (Tracking mode)
  • SMS Tracker: G+123456# (Latitude & longitude query)
  • Sleep modes: sleep+123456+space+time (Default sleep in 5 minutes), sleep+123456+space+shock (Sleep after no shock in 5 minutes), sleep+123456+space+off (Continue working)
  • Upload interval: upload+123456+space+15 (Upload information every 15 seconds, range 10-43200)
  • Shock alert: shock+password (Arm), noshock+password (Unarm)
  • Vibrator SMS alarm: vibalm123456 (ON), novibalm123456 (OFF)
  • Query parameters: check123456
  • Admin IP: adminip+123456+space+ip+space+port (Set Home IP and Port of the server, and update GPS info by cell ID)
  • Restore to factory: begin+123456

The device features LED indicators for charging (Red), GPS status (Blue), and GPRS connection (Yellow), providing visual feedback on its operational status.

For managing multiple devices, users can register an account on the tracking platform and add all tracker ID numbers to manage them collectively. The voice monitor function is activated by setting an admin number and then sending the monitor123456 command. The admin number can then call the tracker's SIM number to listen to its surroundings.

Maintenance Features:

Troubleshooting guidance is provided for common issues:

  • Fail to turn on: Check if the battery is charged.
  • No GSM signal: Verify SIM card installation, ensure it's a GSM network, check if PIN code is off, and confirm no calls are diverted.
  • No GPS: Ensure an open view of the sky for optimal signal reception.
  • No reply to SMS command: Check if the password is correct or if the format is wrong.
  • No reply to calling & No alarm message: Confirm authorized/admin phone number is correct and set up.
  • SMS position OK, cannot use APP/web platform: Verify APN settings are correct and inquire about the correct APN content from the SIM card provider.
  • Platform position differs from actual position: This may occur if GPS signal is lost (showing last known position) or if the GPS hasn't reached its next uploading time. Calling the tracker's SIM number can retrieve the latest position.

The MiCODUS tracking platform and mobile application (available on iOS App Store and Google Play Store) offer a free tracking platform for monitoring the device. The package includes the GPS Main Unit, USB Charging Cable, User Manual, Pet Collar, and a Genuine Packing Box.

MICODUS ML935 Specifications

General IconGeneral
BrandMICODUS
ModelML935
CategoryGPS
LanguageEnglish

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