Summary: Type: external module; Built-in map: yes; Possibility to download maps: yes; Trip computer: yes; Screen: no; Name chipset: SiRF Star III; Number of channels of the receiver: 20; Hot start: 1; Warm start: 35; Cold start: 42; Antenna type: internal; Connector for external antenna: yes; Elements of power: own Li-Ion; Number of the battery ...