The ONWA KS-200A+ is a professional-grade Class B+ Marine AIS Transponder engineered for enhanced safety and precise navigation. Featuring SOTDMA technology and a robust 5W transmission power (customizable up to 12.5W), it ensures reliable vessel identification and tracking. Seamlessly integrate with your existing marine electronics via NMEA 2000 and NMEA 0183, while built-in Wi-Fi and RS232 offer flexible programming and data access. Its compact, rugged housing is compliant with IEC 60945 (Class C) environmental standards, ensuring operation in temperatures from -25℃ to +60℃. With an internal GPS receiver conforming to IEC 61108-1 and multi-LED status indicators, the KS-200A+ delivers advanced maritime intelligence for any vessel. 
Frequently Asked Questions
- Is the ONWA KS-200A+ compatible with my existing marine navigation system?
- Absolutely. The KS-200A+ features versatile connectivity, supporting both NMEA 2000 and NMEA 0183 protocols, ensuring seamless integration with a wide range of modern and legacy marine electronics. Additionally, built-in Wi-Fi and RS232 interfaces provide flexible data access and programming options.
- Can this AIS transponder withstand harsh marine environments and extreme temperatures?
- Yes, the ONWA KS-200A+ is built with a rugged, compact housing that complies with stringent IEC 60945 (Class C) environmental standards. This certification guarantees reliable operation in challenging conditions, with an operational temperature range of -25℃ to +60℃, and excellent resistance to corrosion and UV degradation.
- What kind of tracking performance and range can I expect from the Class B+ AIS?
- The KS-200A+ utilizes advanced SOTDMA access scheme for superior Class B+ performance, offering a robust 5W standard transmission power, which can be customized up to 12.5W for extended range. Combined with its high-sensitivity receiver (<-120dBm @ 20% PER) and internal IEC 61108-1 compliant GPS, it provides highly accurate and reliable real-time vessel tracking and situational awareness.








