AMEC B620 Class B CSTDMA AIS Transponder
The AMEC B620 delivers reliable 2W Class B CSTDMA AIS performance in a compact, rugged, and highly efficient package designed for recreational and light commercial vessels.
Powered by AMEC's latest AIS platform, the B620 combines excellent AIS reception sensitivity, low power consumption, and modern connectivity options including NMEA 2000, NMEA 0183, and USB. It is an ideal choice for boaters seeking dependable AIS performance in a straightforward wired installation.
- 2W Class B CSTDMA AIS transponder
- Dedicated AIS antenna installation
- No Wi-Fi connectivity
- Low power consumption for continuous operation
Utilizing advanced Software Defined Radio (SDR) technology and a high-performance dual-channel AIS receiver, the B620 provides dependable vessel tracking and target awareness while maintaining exceptional power efficiency.
With integrated NMEA 2000, dual NMEA 0183 ports, USB connectivity, and a rugged IP68 waterproof housing, the B620 is designed to integrate easily into both modern and legacy navigation systems.
Technology Overview
The B620 utilizes CSTDMA (Carrier Sense Time Division Multiple Access) technology, the internationally recognized Class B AIS standard trusted by recreational boaters worldwide. Combined with AMEC's latest AIS platform, it delivers reliable transmission, excellent reception performance, and low power consumption for everyday cruising and coastal navigation.
Key Features
- 2W Class B CSTDMA AIS transponder
- Software Defined Radio (SDR) architecture
- Dual-channel AIS receiver with outstanding sensitivity
- 72-channel multi-GNSS receiver
- GPS, Galileo, BeiDou, and GLONASS support
- Optional external GPS antenna available here
- NMEA 2000 and dual NMEA 0183 connectivity
- USB-C interface for programming and diagnostics
- IP68 waterproof and dust-resistant housing
- Compact, low-power design for continuous operation
Applications
- Recreational cruising vessels
- Sailing vessels
- Coastal navigation
- Fishing vessels
- Workboats and utility craft
- Fleet tracking and AIS monitoring
Top Specifications – B620
- 2W Class B CSTDMA AIS transponder (33 dBm nominal output)
- Low power consumption: 95 mA average / 1.5 A peak @ 12V DC
- Wide input voltage range: 9.6 – 31.2 V DC (12V / 24V systems)
- Dual AIS receivers with high sensitivity (< -111 dBm)
- Multi-constellation GNSS support: GPS, Galileo, BeiDou, GLONASS
- 72-channel GNSS receiver with approx. 2.5 m horizontal positioning accuracy
- NMEA 2000 Version 3.0, LEN=1
- Dual NMEA 0183 bi-directional ports
- USB-C interface for configuration and data output
- IP68 waterproof and dust-resistant housing
- Compact form factor: 151.22 x 128.57 x 49.87 mm
- Weight: 400 g