Home > ACTISENSE DATA COMBINERS/CONVERTERS NMEA2000/0183 > ACTISENSE NMEA 0183 PRODUCTS « Back NDC-4-ASW Condition: New Weight: 0.95kg £205.00 Print Send to a friend Description NMEA Autoswitch. NDC-4 unit pre-configured as an Autoswitch Reviews Write a customer review and share your thoughts with other customers. Be the first to review this product.