VSA7 has dual channel AIS transmitter inside, which can transmit distress signal to ships around it and AIS coast station immediately in emergency. Signal contains beacon user ID information. It can help self-rescue or rescued by the around ships.
VSA7 is developed for crew working on sea or rivers, also can be used for workers who working in dangerous environments. VSA7 is with 4 year's free maintenance, low cost-in-use, no need to pay communication fee.
Audited Supplier 
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