- Description
- Specifications
1. Cellular Connectivity
GSM/GPRS Support: Quad-band 850/900/1800/1900 MHz for global coverage.
Data Services: GPRS multi-slot class 12, coding schemes CS1 to CS4.
Protocols Supported: TCP/IP (with built-in stack), HTTP/HTTPS, FTP, SSL, MQTT (lightweight IoT communication)
SMS Functionality: Supports text and PDU modes and SMS storage to SIM or module.
Firmware Updates: Support for OTA firmware upgrades.
2. GNSS – Global Navigation Satellite System
On board L89
Type: Multi-Constellation GNSS Receiver
Features:
Constellation Support: GPS, GLONASS, Galileo, BeiDou, QZSS
Channels: 99 acquisition channels, 33 tracking channels
Update Rate: 1 Hz (up to 10 Hz optional)
Accuracy: <2.5m CEP
Cold Start: <35s, Warm Start: <30s, Hot Start: <1s
Interface: UART
Voltage: 3.0V – 4.3V
Use Case: Real-time location tracking and navigation, geo-fencing
Antenna: GNSS antenna with optional external antenna support.
3. Wireless Features
Bluetooth: Version: BT 3.0
Supported Profiles: SPP (Serial Port Profile)
4. Power Specifications (As per AIS standards)
Input Voltage Range: 12V to 24V DC.
Power Efficiency: Integrated high-efficiency regulators for stable performance.
Sleep Current: Ultra-low power mode (<10mA in sleep).
Battery Support: Optional Li-Ion/Li-Po battery interface with charging circuitry.
5. Interfaces
UART: Configurable baud rate up to 230400 bps, AT command interface.
GPIO: Several general-purpose I/O pins for external device control.
ADC: 10-bit ADC input for analog signal monitoring.
Status LEDs: 4 Onboard LEDs to indicate various device states such as power, network status, GNSS fix, and user-defined alerts.
6. SIM & Antenna
SIM Type: Micro SIM slot and E-SIM compatible.
Antenna:
GSM: Integrated PCB antenna.
GNSS: Integrated with support for external active/passive antennas.
7. Environmental & Mechanical (As per AIS standards)
Operating Temperature: -10°C to +80°C.
Storage Temperature: -15°C to +90°C.
Humidity: Up to 95% RH non-condensing.
Form Factor: Compact PCB design (Size).
8. On Board watchdog timer Circuit
Type: External Hardware Watchdog Circuit
Features:
Timeout Range: Adjustable (typ. 1s – 120s)
Voltage: Compatible with core system voltage (e.g., 3.3V)