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Device Manual of Discovery 4G Basic: Difference between revisions

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=== Cellular ===
=== Cellular ===
* LTE-FDD Bands: B1, B3, B5, B8
{| class="wikitable" style="width:100%;
* LTE-TDD Bands: B34, B38, B39, B40, B41
! style="background-color:#680022; color:white;" | Network Mode
* GSM Bands: 900 / 1800 MHz
! style="background-color:#680022; color:white;" | Frequency Band
* GNSS: GPS, GLONASS, BeiDou, Galileo, QZSS
|-
* Bluetooth: Supported (v4.2 LE)
| LTE-FDD || B1/B3/B5/B8
|-
| LTE-TDD || B34/B38/B39/B40/B41
|-
| GSM || 900/1800 MHz
|-
| GNSS || GPS, GLONASS, BeiDou, Galileo, QZSS
|-
| Bluetooth || 4.2
|}


=== Transmit Power ===
=== Transmit Power ===
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== Electrical Specifications ==
== Electrical Specifications ==
{| class="wikitable"
{| class="wikitable" style="width:100%;
! style="background-color:#680022; color:white;" | Description
! style="background-color:#680022; color:white;" | Description
! style="background-color:#680022; color:white;" | Voltage
! style="background-color:#680022; color:white;" | Voltage
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=== LED Indications ===
=== LED Indications ===
{| class="wikitable"
{| class="wikitable" style="width:100%;
! style="background-color:#680022; color:white;" | Function
! style="background-color:#680022; color:white;" | Function
! style="background-color:#680022; color:white;" | Indicator
! style="background-color:#680022; color:white;" | Indicator
|-
|-
| GNSS|| LED (Orange)
| <div style="color: orange; font-weight: bold;"> GNSS </div>|| <div style="color: orange; font-weight: bold;">  LED (Orange) </div>
|-
|-
| Network|| LED (Green)
| <div style="color: green; font-weight: bold;"> Network </div>|| <div style="color: green; font-weight: bold;"> LED (Green)</div>
|-
|-
| Power || LED (Red)
| <div style="color: red; font-weight: bold;"> Power</div> ||<div style="color: red; font-weight: bold;">  LED (Red) </div>
|-
|-
| User Status || LED (Red)
| <div style="color: red; font-weight: bold;"> User Status </div> ||<div style="color: red; font-weight: bold;"> LED (Red)</div>
|}
|}


== Internal Battery Specifications ==
== Internal Battery Specifications ==
{| class="wikitable"
{| class="wikitable" style="width:100%;
! style="background-color:#680022; color:white;" | Property
! style="background-color:#680022; color:white;" | Property
! style="background-color:#680022; color:white;" | Value
! style="background-color:#680022; color:white;" | Value
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== Electrical Characteristics ==
== Electrical Characteristics ==
{| class="wikitable"
{| class="wikitable" style="width:100%;
! style="background-color:#680022; color:white;" | Parameter
! style="background-color:#680022; color:white;" | Parameter
! style="background-color:#680022; color:white;" | Min.
! style="background-color:#680022; color:white;" | Min.
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== Absolute Maximum Ratings ==
== Absolute Maximum Ratings ==
{| class="wikitable"
{| class="wikitable" style="width:100%;
! style="background-color:#680022; color:white;" | Parameter
! style="background-color:#680022; color:white;" | Parameter
! style="background-color:#680022; color:white;" | Min.
! style="background-color:#680022; color:white;" | Min.

Latest revision as of 10:37, 1 September 2025

Discovery 4G BASIC is a tracking terminal with GNSS and GSM connectivity, capable of collecting device coordinates and transmitting them via the GSM network to a server. It is ideal for applications requiring remote object tracking.

Package Contents

  • DISCOVERY 4G BASIC device
  • Input/output power cable with 2x6 connection pins
  • 3.7V 350 mAh rechargeable Li-PO battery

Basic Characteristics

GSM / GPRS / GNSS / Bluetooth Features

  • Technology: LTE (Cat 1) / 2G (GSM/GPRS) / GNSS / Bluetooth
  • SMS (text) support
  • Integrated GNSS receiver
  • Sensitivity: up to -149 dBm

Cellular

Network Mode Frequency Band
LTE-FDD B1/B3/B5/B8
LTE-TDD B34/B38/B39/B40/B41
GSM 900/1800 MHz
GNSS GPS, GLONASS, BeiDou, Galileo, QZSS
Bluetooth 4.2

Transmit Power

  • GSM850/900: Class 4 (23±2 dBm)
  • GSM1800/1900: Class 1 (20±2 dBm)
  • LTE-FDD: Class 3
  • LTE-TDD: Class 3

Hardware Features

  • Built-in movement sensor
  • Built-in Bluetooth 4.2 LE
  • Internal High Gain GNSS and GSM antennas
  • Internal flash memory 4MB (32,768 records)
  • 350 mAh Li-Po rechargeable 3.7V battery

Interface Features

  • Power Supply: +9V to +90V DC
  • Digital Inputs: 3 (DIN1, DIN2, DIN3)
  • Analog Inputs: 3 (multiplexed with digital outputs)
  • Digital Outputs: 3 (multiplexed with analog inputs)
  • 1-Wire Interface: Supports temperature sensor
  • Status Indicators: 4 LEDs (GNSS, Network, Power, User)

Special Features

  • Fast GNSS fix (outdoor)
  • Reliable tracking in urban environments
  • Compact and rugged design
  • Real-time tracking
  • Smart data acquisition based on:
    • Time, Speed, Distance, Ignition or I/O events
  • Data transmission via GPRS
  • Configurable via secured SMS
  • 1x Micro SIM / eSIM
  • Overvoltage protection: YES

Electrical Specifications

Description Voltage Duration
Normal operation +9 to +90 V Unlimited
Protection activates, device off 90 V Unlimited
Maximum voltage < 90 V Unlimited

Technical Details

  • Battery charge current: Avg. 140 mA
  • Operating temp (without battery): -40°C to +85°C
  • Storage temp (without battery): -40°C to +80°C
  • Operating temp (with battery): -20°C to +70°C
  • Storage temp (with battery): -20°C to +40°C
  • Humidity: 5% to 95% non-condensing
  • Ingress Protection: IP54
  • Weight (device + battery): 60 g
  • Resettable fuse: 3A, 100V

Mechanical

  • Dimensions: 85mm x 66mm x 20mm (L × W × H)
  • Enclosure: Polycarbonate

LED Indications

Function Indicator
GNSS
LED (Orange)
Network
LED (Green)
Power
LED (Red)
User Status
LED (Red)

Internal Battery Specifications

Property Value
Type Li-Po rechargeable battery
Voltage 3.75 – 4.2 V
Capacity 350 mAh
Power 0.64 – 0.66 Wh
Charge Temp 0°C to +45°C
Discharge Temp -20°C to +60°C
Storage Temp -20°C to +45°C (15 days); -20°C to +35°C (90 days)
⚠️ CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.

Do not discard batteries in household waste. Use recycling bins or drop-off centers.

Electrical Characteristics

Parameter Min. Typ. Max. Unit
Supply Voltage +9 – +90 V
Digital Output Voltage (DO1–DO3) 10 – 60 V
Drain Current (DO OFF) – – 120 µA
Input Resistance (DIN1–3) – 2.2K – Ω
Input Voltage Threshold (DIN1–3) 10 – – V
Analog Inputs (Range 1–3)
Voltage Range 0 – +10 V
Resistance – 2.2K – Ω
Measurement Error – – 2 %
1-Wire Interface
Output Voltage – 4.5 – V
Output Inner Resistance – 7 – Ω
Output Current (Uout > 3.0 V) – 30 – mA
Short Circuit Current (Uout = 0) – 75 – mA

Other Features

  • Remote reset via SMS/GPRS
  • Supports 2 IPs simultaneously
  • Firmware Over-The-Air (FOTA)
  • Geo-fence (Circular/polygonal)
  • Protocols: TCP/IP, HTTP, SMS
  • Memory: more than 32,768 positional logs
  • SMS fallback if GPRS unavailable
  • Backup battery runtime: more than 1 hour
  • SIM support: 1x Micro SIM / eSIM
  • Alerts: battery disconnection/reconnection, over-speed, ignition, geo-fence, tilt, low battery
  • External battery voltage monitoring
  • Optional interfaces: 1-Wire, Immobilizer, Buzzer

Absolute Maximum Ratings

Parameter Min. Typ. Max. Unit
Supply Voltage +9 – +90 V
Drain-Source Clamp Threshold – – +60 V
Digital Input Voltage – – +10 V
Analog Input Voltage 0 – +10 V

⚠️ Note: Analog input error margin may increase with temperature variation.

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