1. Why GPT doesn’t use AIS Channel

2. Why GPT does not use international distress frequency channel 16

3. Why GPT does not use Global Maritime Distress Safety System (GMDSS) Channel 70 – Digital Selective Calling

4. Is it still possible to wirelessly charge the GPTs if a boat is rolling on the waves

5. How to automatically trigger an alert on the GPT App when a diver(s) surfaces

6. How is the GPT transmission distance validated by testing

7. Does GPT system not work without Wi-Fi

8. How to maintain a stable Wi-Fi connection between GPT receiver and cellphone/tablet for several hours ?