Quick view ACR Electronics ACR OLAS Tag [2980] OLAS Tag The ACR OLAS Tag is a Wearable Crew Tracker that integrates with the ACR OLAS (Overboard Location Alert System) Bluetooth® 4.1 technology. The ACR OLAS mobile application technology detects a break in its ‘virtual tether’... $94.95 $77.99 Add to Cart Compare