Sentar - D39

The D39 is a Plaspy compatible 4G Android GPS smartwatch designed for children, combining reliable real-time tracking with two-way communication and an easy-to-use companion app. With multi-mode positioning (GPS, AGPS, LBS, and WiFi), an SOS emergency button, and support across common 4G bands, the D39 provides parents with clear location data, indoor floor-level hints, and call capability for fast, confident responses to safety events.

Built around a 1.85-inch IPS touchscreen and a lightweight, water-resistant IPX7 housing, the D39 is purpose-built for everyday use and play. As a GPS tracker that is Plaspy compatible, it integrates into Plaspy’s dashboards for real-time tracking, alerts, and parental controls while complementing broader telemetry or fleet management deployments where wearable devices are useful alongside vehicle-grade trackers.

Key Highlights

• Plaspy compatible GPS tracker for kids — delivers continuous real-time tracking through the Plaspy platform.
• Multi-mode positioning (GPS + AGPS + LBS + WiFi) for improved outdoor and indoor location accuracy, including floor-level hints.
• 4G voice and data connectivity across common FDD/TDD LTE, WCDMA and GSM bands for reliable calls and fast positioning.
• Dedicated SOS/power button for immediate emergency alerts and two-way communication with parents or guardians.
• Durable, water-resistant IPX7 design with a bright 1.85" IPS touchscreen for daily wear and play.
• Compact wearable form with 710mAh battery and magnetic charging for straightforward recharges.
• Child-focused features and companion mobile app for parental monitoring, location history, and remote management.

How It Works with Plaspy

When used with Plaspy, the D39 streams its positional and status data into Plaspy’s real-time tracking environment so parents and administrators can monitor location, receive alerts, and review history. Plaspy ingests GPS, AGPS, LBS, and WiFi-derived fixes and normalizes them for map display, geo-fence alerts, and activity reports. The watch’s cellular link ensures updates are delivered continuously while the companion app provides configuration and permissions management.

• Real-time location and telemetry updates via 4G and assisted positioning methods.
• SOS/panic alert reporting and two-way voice communication for rapid incident response.
• Indoor floor-level assistance using WiFi and LBS data where available.
• Battery and charging status reporting so caregivers can manage device uptime.
• Parental controls and location history through the companion app; integration into Plaspy dashboards for consolidated monitoring.

Technical Overview

Use Cases

• Child safety and parental monitoring — live location, SOS alerts, and voice calls for everyday reassurance.
• School and childcare supervision — indoor floor-level positioning and scheduled check-ins during drop-off/pick-up.
• Outdoor play and activity — IPX7 protection and a robust wearable form for sports and recreation.
• Residential or community care — quick status checks and emergency contact for guardians or caregivers.
• Supplemental telemetry in mixed deployments — wearable tracking that complements fleet management or telemetry collections when combined with vehicle-grade trackers (note: the D39 is not a vehicle tracker and does not provide vehicle ignition or fuel telemetry).

Why Choose This Tracker with Plaspy

The D39 offers a targeted, reliable solution for parents and programs that need Plaspy compatible real-time tracking for children. Its multi-mode positioning and 4G connectivity help deliver timely location updates, while SOS and two-way calling provide immediate communication in an emergency. Plaspy integration brings those device reports into a managed dashboard for alerts, location history, and parental controls, enabling fast response and oversight without complexity.

For organizations evaluating devices, the D39 stands out for wearable comfort, resistive use in wet conditions (IPX7), and long battery life for daily use. However, it is optimized for personal safety and communication rather than vehicle telemetry: it does not provide ignition control, immobilizer features, or fuel monitoring, nor are Bluetooth sensors specified in the technical details. If your deployment requires vehicle-focused telemetry (ignition, immobilizer, fuel monitoring) or external Bluetooth sensor networks, combine the D39 with purpose-built vehicle trackers or BLE sensor hubs in Plaspy to achieve a complete solution.