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Digital Sentinel(T3-DSA03)


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Digital Sentinel(T3-DSA03)


Product Introduction

This product is a high-performance intelligent handheld terminal elaborately built by our company for Health Code verification, ID card verification and temperature measurement. Developed based on the Android 9.0 system, featuring high-performance processors, top-notch configuration, and fast operation. This device is widely used in multiple temperature measurement scenarios, and the overhead temperature measurement module is more convenient for users to operate, helping them quickly achieve information management and improve work efficiency.

Fast Delievery

Quality Assurance

24/7 Customer Service

Product Detail

Products Function

  1. Professional barcode and QR code scanning
  2. Professional NFC read-write function, high-definition camera
  3. Android system, eight-core processor, high-capacity storage space

Products Feature

  1. High protection level, high-definition large screen design
  2. Exquisite appearance and lightweight design
  3. Optional wireless connection methods such as 4G, WiFi, Bluetooth, etc


Production Parameters

Physical Parameters
Weight <242g
DisplayScreen 5-inch, IPS FHD , 1280*720
Touch Screen Corning Gorilla Glass supports Multi-touch
Support glove or wet hand operation
Battery Capacity Rechargeable lithium polymer battery 4000mAh
Expansion card slot 1 SIM card slot, either SIM or TF
Communication Interface USB2.0 Type-C, OTG
Audio frequency Speaker, 2 microphones, supports voice calls
Keyboard 4 main keyboards, 1 power key, and 2 scan keys
1 multi-functional key
Sensor Gravity sensor, light sensor, distance sensor
Vibration motor
Performance Parameter
CPU Cortex-A53 2.0GHz, 8 Core
Expand Memory MicroSD (TF) card can scale up to 32GB
Development Environment
Operating System Android 9.0
SDK Terminal Software development kit
Development Language Java
Development Tool Eclipse/ Android Studio
Usage Environment
Working Temperature -10°C to 50°C
Storage Temperature -40°C to 70°C
Ambient Humidity  5%RH – 95%RH (No condensation)
Drop Specifications  Within the operating temperature range, all 6 surfaces can withstand multiple (at least 20) impacts from falling from a height of 1.8 meters to the concrete floor
Rolling Test Rolling continuously for 1000 times, 0.5 meters, and stable operation after rolling on 6 contact surfaces, meeting IEC rolling specifications
Protection Grade  Host IP65
Electrostatic Protection   ± 8KV air discharge, ± 4KV contact discharge
Data Communication
WLAN Supports IEEE802.11 a/b/g/n protocol, (2.4G/5G dual frequency)
Internal antenna
WWAN 2G: 900/1800MHz
3G: 900/1900/2000/2100MHz
4G: TDD-LTE: B38, B39, B40, B41
FDD-LTE: B1, B3, B5
Bluetooth Bluetooth 4.0/5.0, BLE
GNSS Integrated GPS, GLONASS, and Beidou; Built-in antenna, supporting AGPS
Rear Camera 13 million pixel color camera
Support for autofocus and flash
Front Camera (optional) 5 million pixel color camera


Main Application Scenario


Residential Area





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