Summary: Type: external module; Screen: no; Name chipset: SiRF Star III; Number of channels of the receiver: 20; Accuracy of definition of coordinates: 5 m; Velocity accuracy: 0.1 m/s; Refresh rate: 0.1 times/sec; Hot start: 1.50 with; Warm start: 40 with; Cold start: 50; Antenna type: internal; Elements of power: own Li-Ion; Time of work: 12 h ...