Summary: Type: external module; Screen: no; Name chipset: SiRF Star III; Number of channels of the receiver: 20; Velocity accuracy: 0.1 m/s; Refresh rate: 10 times per; Hot start: 8; Warm start: 38; Cold start: 42; Antenna type: internal; Elements of power: own Li-Ion; Number of the battery: 1; Time of work: 15 h; Battery capacity: 1700 mA*h; ...