The swami gt ndash a game changing golf gps and game tracker combinedthe swami gt from izzo makes excellent use of nfc near field communication and gps technologies every single shot can be tracked and the data logged with no other input from the player than his or her swing nfc tags are inserted into the end of your clubs these tags working together with gps tracking technology keep a track of your shot datawith over 30 000 courses mapped worldwide the 25 inch screen can display