The Ocean Signal App allows easy access to Class B AIS and Emergency PLB/EPIRB information. Live AIS targets can be displayed as well as Test and Ownership details for Distress Beacons. NFC (Near Field Communication) allows access to PLB and EPIRB details where operation time, Battery condition and test results can be easily checked and displayed on a mobile device. The use of NFC ensures that maximum battery capacity can be ensured giving you confidence that a Beacon will give maximum perfor