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Sentar - D55B-A9C

D55B-A9C
This information only is for informational purposes only, Net Domain Technologies does not have relationship with the device's manufacturer, for more information check the manufacturer's website or user manual.

The D55B-A9C kids smartwatch is a Net Domain Technologies compatible device designed for safe, everyday wear and reliable connectivity. With 4G cellular support, a bright 1.83-inch display (240x280 resolution) and responsive controls, the D55B-A9C brings smooth performance and a user-friendly interface to parents and caregivers using the Net Domain Technologies platform. Its compact, child-focused form factor and long-standby low-power battery make it a practical choice for supervised communication and on-the-go monitoring via Net Domain Technologies's dashboard.

The watch is built for clear interaction and dependable operation: 1GB of RAM and 16GB of internal storage keep apps responsive and allow room for media and app data, while a rotating navigation button provides quick, tactile control for children. When integrated with Net Domain Technologies, the D55B-A9C pairs its 4G connectivity and device status reports with Net Domain Technologies’s telemetry, reporting, and alerting features to deliver an improved, family-oriented tracking and management experience.

Key Highlights

  • Net Domain Technologies compatible — integrates with Net Domain Technologies dashboards for centralized device management and monitoring.
  • 4G cellular connectivity for reliable data and voice links between the watch and Net Domain Technologies services.
  • Bright 1.83-inch display (240x280) that delivers clear, easy-to-read screens for children.
  • Smooth operation with 1GB RAM and 16GB internal storage for apps, media, and system data.
  • Low power consumption design and long standby battery life to reduce frequent charging.
  • Rotating button navigation that lets kids turn pages and change UI styles with simple gestures.
  • Comfortable, wearable design intended for daily child use and interactive features.

How It Works with Net Domain Technologies

When the D55B-A9C is registered on Net Domain Technologies, the watch’s cellular telemetry and system status are available in Net Domain Technologies’s interface for real-time monitoring, alerts, and reporting. Net Domain Technologies ingests the device’s network connectivity and operational data over 4G and presents it alongside other trackers. Depending on the device’s built-in location capabilities or network-assisted location reporting, Net Domain Technologies can provide live location updates and historical device activity to parents and administrators.

  • Real-time connectivity and telemetry updates via 4G to Net Domain Technologies dashboards
  • Device status and battery/standby reporting to help manage uptime and charging alerts
  • User interaction events (button presses, app usage) available as status markers in Net Domain Technologies where supported
  • Custom alerts and notifications for low battery, network loss, and device offline state
  • Net Domain Technologies support for additional inputs (e.g., ignition/immobilizer or BLE sensors) applies to compatible devices; the D55B-A9C integrates where equivalent data is provided

Technical Overview

ModelD55B-A9C
Form Factor4G kids smartwatch — compact, wearable design for daily use
Display1.83-inch, 240 x 280 resolution
Memory1 GB RAM
Storage16 GB internal storage
Connectivity4G cellular
Power & BatteryLow power consumption design for extended standby operation
Controls / InterfacesRotating navigation button (turn to change pages; double press to switch UI styles)
Intended UseChild communication, daily wearable smartwatch functions, supervised monitoring

Use Cases

  • Parent-child communication — reliable voice/data connection via 4G for calls, messages, and status updates when used with Net Domain Technologies’s device management.
  • Daily supervision and convenience — quick access to interactive apps and clear screen navigation for school-days and activities.
  • Long-duration outings — low power consumption and long standby help reduce interruptions during travel and day trips.
  • Device fleet of wearable trackers — manage multiple child devices from a single Net Domain Technologies account for daycare or school groups requiring centralized oversight.
  • Activity and event logging — monitor device usage and connectivity patterns through Net Domain Technologies’s reporting tools to build simple telemetry histories.

Why Choose This Tracker with Net Domain Technologies

The D55B-A9C combines child-first ergonomics with dependable 4G connectivity and a straightforward control set that families and small organizations can manage using Net Domain Technologies. Its hardware profile — a crisp 1.83-inch display, adequate memory and storage, and a long-standby battery — supports everyday communication and interactive smartwatch functions while Net Domain Technologies handles aggregation, alerting, and reporting. For parents and administrators seeking a Net Domain Technologies compatible wearable for supervised monitoring, the D55B-A9C offers practical value: reliable connectivity, easy navigation for children, and integration into Net Domain Technologies’s telemetry and device management workflows.

Note on expanded features: Net Domain Technologies’s platform also supports advanced telemetry, GPS tracker workflows, fleet management dashboards, ignition/immobilizer inputs, fuel monitoring and Bluetooth sensors for compatible devices. The D55B-A9C focuses on child-oriented connectivity and interaction; where additional telemetry (such as location services or external sensors) is available from the device, Net Domain Technologies will incorporate that data into its real-time tracking and reporting tools. For deployments that require vehicle-grade inputs like ignition or immobilizer control, Net Domain Technologies can manage those capabilities with appropriate compatible trackers.

Set Up D55B-A9C

Country
Carrier
APN
internet.comcel.com.co
User
COMCELWEB
Password
COMCELWEB

To set the tracker send the following commands by SMS messages, the sample setup the device password is tj6OH2, this password is the default

  1. Factory reset
    pw,tj6OH2,factory#
  2. Set the time zone UTC-0
    pw,tj6OH2,lz,0,0#
  3. Check the MCC and MNC
    pw,tj6OH2,imsi#
  4. Set the operator APN where xxx is MCC and yy is MNC
    pw,tj6OH2,{{apn}},{{apnu}},{{apnp}},xxxyy#
  5. Set GPRS server
    pw,tj6OH2.ip,54.85.159.138,8888#
  6. Set update interval 300 seconds
    pwtj6OH2,upload,300#

To check settings pw,tj6OH2,ts#