Chandler’s Ford, UK - B&G®, the world’s leading sailing navigation and instrument specialist, is pleased to announce today, a fully integrated, Class-B Automatic Identification System (AIS) transponder – the B&G NAIS 500. Essential for navigating busy shipping lanes and congested ports, the NAIS 500 — which includes a dedicated GPS-500 receiver — is compact in size, lightweight and fully waterproof. It offers low power draw and features multiple connections for networking with any Zeus3 series multifunction display.