Cable GPS Receiver for Car PC/Notebook (USB: GPS-353/PS2: GPS-355) Features * SiRF Star III High Performance GPS chipset * High sensitivity (Tracking Sensitivity: -159 dBm) * Extremely fast TTFF (Time To First Fix) at low signal level * Support NMEA 0183 data protocol * Built-in SuperCap to reserve system data for rapid satellite acquisition * Built-in patch antenna. * Super-cohesive magnetic for mounting on the car * GPS-353 - USB interface connection port. GPS-355 - PS2 interface connection port. * Waterproof and non-slip on the bottom. * LED indicator for GPS fix or not fix. LED OFF: Receiver switch off LED ON: No fix, signal searching LED Flashing: Position fixed * WAAS ENGOS is supported.