- Description
- Specifications
This compact GSM/GPRS + GNSS module offers seamless global connectivity and precise multi-constellation positioning (GPS, GLONASS, BeiDou, Galileo, QZSS).With built-in Bluetooth, MQTT/HTTPS support, and 4 onboard status LEDs, it ensures smart communication and real-time system feedback.Its wide input voltage range (12–24V), onboard antenna, and secure firmware updates (FOTA) enable flexible and reliable integration.Designed for low power consumption and robust operation across -40°C to +80°C.Ideal for applications like asset tracking, remote monitoring, and industrial automation.Compact, versatile, and built for dependable performance in challenging environments.
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
- Supported Constellations: GPS, GLONASS, Galileo, BeiDou, and QZSS.
- Channels:
- 99 Acquisition channels
- 33 Tracking channels
- Accuracy:
- Position accuracy: <2.5m CEP
- TTFF (Time to First Fix):
- Cold start: <35s
- Hot start: <1s
- Antenna: Onboard GNSS antenna with optional external antenna support.
3. Wireless Features
- Bluetooth:
- Version: BT 3.0
- Supported Profiles: SPP (Serial Port Profile)
4. Power Specifications
- 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: 1x 10-bit ADC input for analog signal monitoring.
- PWM: 2x PWM outputs for basic actuator control.
- SPI/I2C: Optional for sensor and peripheral expansion.
- 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 compatible.
- Antenna:
- GSM: Integrated PCB antenna.
- GNSS: Integrated with support for external active/passive antennas.
7. Environmental & Mechanical
- Operating Temperature: -40°C to +80°C.
- Storage Temperature: -45°C to +90°C.
- Humidity: Up to 95% RH non-condensing.
- Form Factor: Compact PCB design (Size).
8. Applications
- Asset Tracking: Real-time tracking of vehicles, goods, or personnel.
- Remote Monitoring: Collect sensor or device data in hard-to-reach areas.
- IoT Deployments: Smart agriculture, smart metering, and automation.
- Device Control: Remote switching, data collection, and control over GSM network.
9. Extended Features
Hardware Protection
- Reverse Polarity Protection: Prevents damage from incorrect power input.
- ESD Protection: Safeguards SIM, UART, and antenna interfaces.
- Watchdog Timer: Prevents system freeze by auto-rebooting on failure.
- Debug UART Port: Dedicated port for development, firmware flashing, and debugging.
- Real-Time Log Output: Live AT command responses and module logs via serial.
- Mounting Holes: Pre-drilled holes for easy enclosure or board installation.