| Features & Tips |
Here is a listing we have put together of some of the common US GlobalSat BU353 USB Cable GPS features,
along with a few user tips that you may find of help for this particular item. | - SiRF Star III High Performance GPS chipset - WAAS
- 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
- USB 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
Specifications:
- Chipset: SiRF Star III v3.1.1 firmware WAAS Enabled by default
- Frequency: L1, 1575.42 MHz
- C/A code: 1.023 MHz chip rate
- Channels: 20 channel all-in-view tracking
- Sensitivity: -159 dBm
- Accuracy Position: 10 meters, 2D RMS; ~5 meters, 2D RMS WAAS enabled
- Velocity: 0.1 m/s
- Time: 1us synchronized to GPS time
Datum
Protocol:- GPS Protocol: Default: NMEA 0183 (Secondary: SiRF Binary) SiRF Binary>> Position, Velocity, Altitude, Status and Control
- GPS Output Data: NMEA 0183 MEA V2.2 Protocol and supports command: GGA, GSA, GSV, RMC, VTG, GLL v2.2 (VTG and GLL are optional)
- GPS Transfer Rate: Software Command setting (Default: 4800,n,8,1 for NMEA)
Acquisition Time
- Reacquisition: 0.1 sec., average
- Hot start: 1 sec., average
- Warm start: 38 sec., average
- Cold start: 42 sec., average
Dynamic Conditions
- Altitude: 18,000 meters (60,000 feet) max
- Velocity: 515 meters /second (1000 knots) max
- Acceleration: Less than 4g
- Jerk: 20m/sec
Power
- Main power input: 4.5V ~ 6.5V DC input
- Power consumption: 80mA
- Protocol Electrical level: TTL level
- Output voltage level: 0V~2.85V
Physical Characteristics
- Dimension: 2.08" Dia (53mm dia, 19.2mm height)
- Cable length: 60”
- Operating temperature: -40F ~ +185F ( -40C to +85C)
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