Technical Specifications
MastNode is built with professional-grade components to ensure reliable AIS data collection, secure communication, and stable operation in real-world maritime environments. The following specifications outline the core technologies and hardware capabilities behind MastNode’s performance.
AIS Receiver
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True dual-channel AIS reception
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Frequency bands: 161.975 MHz & 162.025 MHz (simultaneous)
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Modulation: GMSK, 9,600 bps
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Channel bandwidth: 25 kHz
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Receiver sensitivity: ≤ –117 dBm
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Maximum input level: 0 dBm
GNSS & Timing
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Integrated GNSS module (GPS)
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PPS (Pulse Per Second) support for precise time synchronization
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Supported NMEA sentences: GNGGA, GNRMC, GNVTG
Connectivity & Interfaces
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Wi-Fi: 2.4 GHz IEEE 802.11 b/g/n
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Ethernet: 10/100 Mbps RJ45
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USB interface
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Network protocols: TCP / UDP
Security
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Hardware-based cryptographic security
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Integrated ATECC608 secure element for device identity and data integrity
System
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Operating system: Linux-based
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Local data storage via Micro SD card
Power & Environmental
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Power input: USB-C, 5V / min. 2.5A
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Operating temperature: –20°C to +65°C
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Built-in ESD protection: ±16 kV (IEC 61000-4-2)
Physical
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Dimensions: 121.5 × 89.5 × 44 mm
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Weight: ~150 g
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Industrial-grade enclosure with protective corner guards