GPS frequency: 1575.42 ± 5MHz, Beidou frequency: 1561 ± 5MHz. Compatible with Boat Ship Marine GPS Navigation System Unit Modem Receiver Transducer Explorer Fish finder Sounder. External Marine ...
Even though they use their boats to fish for lobsters ... of charter boats in the Gulf of Mexico to use approved GPS tracking devices to transmit the boat’s position to the NMFS and U.S ...
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