CY-XB01 Underwater Location Beacon

CY-XB01 Underwater Location Beacon is the major way to location under the water of onboard VDR and black box,the sound as mechanical ave,can provide propagate in long distance under water.
Usually, the underwater location beacon send 37.5kHz ultrasonic pulse signal,it can send message to sonar receiving device under about 6000 meters.
It was produce as per Sea AS-8045A standard aviation industry,persistent transmit duration can reach 90 days,conform to SEA AS-8045A,IEC61996-1 standard.