Summary: Type: external module; Function calculate route: yes; Trip computer: yes; Function Track-Back: yes; Screen: no; Name chipset: SiRF Star III; Number of channels of the receiver: 20; Accuracy of definition of coordinates: 25 m; Velocity accuracy: 0.1 m/s; Refresh rate: 1 time/sec; Hot start: 8; Warm start: 38; Cold start: 42; Support EGN ...