Technical Specification

📊 GENERAL SPECIFICATIONS

• Type: Class B/SO AIS Transceiver (SOTDMA)
• Transmission Power: 5 Watts
• Technology: SOTDMA (Class A priority access)
• Function: Transmit + Receive AIS data

📡 RADIO / AIS PERFORMANCE

• Frequencies:
  • 161.975 MHz (AIS 1)
  • 162.025 MHz (AIS 2)
• Frequency Range: 156.025 – 162.025 MHz
• High transmission power: 5W → longer detection range than standard Class B
• Dual receivers: Decode AIS + DSC + MOB + SART messages

🛰️ GPS SYSTEM

• Built-in GNSS: GPS + GLONASS (72-channel)
• Includes:
  • Internal GPS antenna
  • External GPS antenna (for installation flexibility)

🔌 CONNECTIVITY

• NMEA 2000: Yes (plug & play backbone support)
• NMEA 0183: Dual input/output (38,400 baud output / 4,800 input)
• USB: Galvanically isolated PC connection
• WiFi: 2.4 GHz (802.11 b/g/n) on some versions
• Silent Mode input: external switch supported

📡 ANTENNA SYSTEM

• Built-in zero-loss VHF antenna splitter
  → Use one VHF antenna for AIS + radio
• VHF connector: SO-239
• GPS connector: TNC

⚡ ELECTRICAL

• Voltage: 9.6 – 31.2 V DC
• Average consumption: ~220 mA @ 12V
• Peak current: ~2.5 A

📐 PHYSICAL SPECIFICATIONS

• Size: 173 × 128 × 53 mm
• Weight: ~365–380 g
• Design: Compact black-box unit

🌊 ENVIRONMENTAL

• Waterproof rating: IP67
• Operating temperature: –25°C to +55°C
• Certifications:
  • IEC 62287-2
  • FCC
  • USCG approved