![Why Use GPS Trackers Instead of Two-Way Radio? - GPS Tracking - RavTrack Complete Real Time Tracking Why Use GPS Trackers Instead of Two-Way Radio? - GPS Tracking - RavTrack Complete Real Time Tracking](http://ravtrack.com/GPStracking/wp-content/uploads/2013/08/image1.png)
Why Use GPS Trackers Instead of Two-Way Radio? - GPS Tracking - RavTrack Complete Real Time Tracking
![Vesper Cortex V1 VHF radio with SOTDMA smartAIS transponder and remote vessel monitoring. | Sea-Tech Systems Vesper Cortex V1 VHF radio with SOTDMA smartAIS transponder and remote vessel monitoring. | Sea-Tech Systems](https://i0.wp.com/seatech.systems/wp-content/uploads/2020/07/Vesper_200221_80796XL_3.jpg?fit=600%2C600&ssl=1)
Vesper Cortex V1 VHF radio with SOTDMA smartAIS transponder and remote vessel monitoring. | Sea-Tech Systems
![Radio frequency identification transponder with antenna high integrated on the smart label Stock Photo - Alamy Radio frequency identification transponder with antenna high integrated on the smart label Stock Photo - Alamy](https://c8.alamy.com/comp/2BCTD30/radio-frequency-identification-transponder-with-antenna-high-integrated-on-the-smart-label-2BCTD30.jpg)
Radio frequency identification transponder with antenna high integrated on the smart label Stock Photo - Alamy
![Automatic identification system Transponder Transceiver Ship Radio receiver, Ship, electronics, class, transmitter png | PNGWing Automatic identification system Transponder Transceiver Ship Radio receiver, Ship, electronics, class, transmitter png | PNGWing](https://w7.pngwing.com/pngs/820/933/png-transparent-automatic-identification-system-transponder-transceiver-ship-radio-receiver-ship-electronics-class-transmitter.png)