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Sentar - D31

D31
This information only is for informational purposes only, Plaspy does not have relationship with the device's manufacturer, for more information check the manufacturer's website or user manual.

The D31 is a compact 4G Kids GPS smart watch built for caregivers who need reliable, Plaspy compatible real-time tracking and safety monitoring. With hybrid positioning—GPS, A-GPS, LBS and WiFi—the D31 delivers continuous location updates and emergency calling in a pediatric form factor. The watch runs on an SL8521E chipset with Android 4.4 and is designed to pair easily with Plaspy for instant visibility into a child’s whereabouts and device status.

Engineered for everyday use, the D31 combines a 1.4-inch IPS touchscreen, a 700mAh battery, and IPX7 waterproofing to handle daily activities and occasional exposure to water. Using a Nano SIM across 4G/3G/2G networks (full band list below), the D31 provides robust connectivity to Plaspy so you can access real-time tracking, telemetry, and emergency alerts from a unified dashboard—without complex setup.

Key Highlights

  • Plaspy compatible GPS tracker: feeds accurate location and device telemetry to Plaspy for centralized monitoring.
  • Multi-mode positioning: GPS, A-GPS, LBS and WiFi improve accuracy in urban and indoor environments.
  • 4G connectivity for dependable real-time tracking across FDD networks and fallback to 3G/2G.
  • Integrated SOS power button for instant emergency calling and caregiver alerts.
  • Long-life 700mAh battery with magnetic 4-pin charging for convenient recharging.
  • Durable everyday design: 1.4" IPS touchscreen, IPX7 waterproof rating, and three color options.
  • Lightweight child-friendly form factor with 512MB RAM and 4GB ROM for on-device responsiveness.

How It Works with Plaspy

When paired with Plaspy, the D31 acts as a dedicated GPS tracker that streams positioning and status data to your Plaspy account. Plaspy ingests GNSS fixes, A-GPS-assisted positions, and WiFi/LBS-derived locations to deliver real-time tracking on maps and historical route playback. Emergency events from the watch—such as SOS calls—are forwarded as high-priority alerts to caregivers via Plaspy notification channels.

  • Real-time location and telemetry updates delivered to Plaspy for live tracking and reporting.
  • SOS emergency alerts forwarded to Plaspy with timestamp and last-known location for rapid response.
  • Hybrid positioning (GPS / A-GPS / LBS / WiFi) to maximize location accuracy in varied environments.
  • Device health telemetry—battery level and connectivity status—available in Plaspy for proactive management.
  • Communication and event logs (call/alert timestamps) can be surfaced in Plaspy for audit and reassurance.

Technical Overview

ModelD31
Chipset & OSSL8521E chipset, Android 4.4
Connectivity4G FDD / 3G WCDMA / 2G GSM
Bands4G FDD: Bands 1/2/3/5/7/8/20; 3G WCDMA: Bands 1/2/5/8; 2G GSM: Bands 2/3/5/8
SIMNano SIM
GNSS & PositioningGPS, A-GPS, LBS, WiFi positioning
Memory & Storage512MB RAM, 4GB ROM
Display1.4" IPS color touchscreen, 240 x 240 pixels
Battery & Charging700mAh battery; 4-pin magnetic charging cable
DurabilityIPX7 waterproof
EmergencySOS power button for emergency calling
ColorsBlue, Pink, Black

Use Cases

  • Child safety and caregiver monitoring: live location tracking and SOS alerts for parents and guardians.
  • School commute oversight: verify drop-off and pick-up locations and view historical routes in Plaspy.
  • Active play and outdoor supervision: water-resistant design and continuous positioning for peace of mind.
  • Short-term asset protection: use as a personal wearable GPS tracker for backpacks or sports gear during outings.

Why Choose This Tracker with Plaspy

The D31 delivers a focused blend of child-centric safety features and reliable connectivity that integrates easily with Plaspy. As a compact GPS tracker, it provides real-time tracking and telemetry without unnecessary complexity. Plaspy compatibility means you can centralize monitoring across devices, receive instant SOS notifications, and review location history from a single platform. Although the D31 is designed for child safety rather than vehicle fleet management or fuel monitoring, it still supports key telemetry such as battery and connectivity status—helpful for administrators who demand dependable uptime and proactive alerts.

Choose the D31 for a trustworthy Plaspy compatible solution when you need accurate location tracking, emergency calling, and a durable wearable form factor. Its multi-mode positioning, broad network band support, and IPX7 protection make it a practical option for everyday child safety and short-term personal tracking needs—backed by the visibility and alerting tools available in Plaspy.

Set Up D31

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 HOw1rP, this password is the default

  1. Factory reset
    pw,HOw1rP,factory#
  2. Set the time zone UTC-0
    pw,HOw1rP,lz,0,0#
  3. Check the MCC and MNC
    pw,HOw1rP,imsi#
  4. Set the operator APN where xxx is MCC and yy is MNC
    pw,HOw1rP,{{apn}},{{apnu}},{{apnp}},xxxyy#
  5. Set GPRS server
    pw,HOw1rP.ip,54.85.159.138,8888#
  6. Set update interval 300 seconds
    pwHOw1rP,upload,300#

To check settings pw,HOw1rP,ts#