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
- LTE-FDD Bands: B1, B3, B5, B8
- LTE-TDD Bands: B34, B38, B39, B40, B41
- GSM Bands: 900 / 1800 MHz
- GNSS: GPS, GLONASS, BeiDou, Galileo, QZSS
- Bluetooth: Supported (v4.2 LE)
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.