GlobalSat BU-353 Waterproof USB GPS Receiver Review
GlobalSat BU-353 Waterproof USB GPS Receiver Feature
- Built-In Supercap For Rapid Acquisition
- Built-In Roof Mount Magnet
- USB Interface
- Built-In GPS Patch Antenna
Features:
* 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:
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Chipset: SiRF Star III v3.1.1 firmware WAAS Enabled
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Frequency: L1, 1575.42 MHz
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C/A code: 1.023 MHz chip rate
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Channels: 20 channel all-in-view tracking
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Sensitivity: -159 dBm
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Accuracy Position: 10 meters, 2D RMS ~ 5 meters, 3D RMS WAAS enabled
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Velocity: 0.1 m/s
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Time: 1us synchronized to GPS time
Datum:
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Default: WGS-84
Acquisition Time:
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Reacquisition: 0.1 sec., average
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Hot start: 1 sec., average
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Warm start: 38 sec., average
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Cold start: 42 sec., average
Dynamic Conditions:
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Altitude: 18,000 meters (60,000 feet) max
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Velocity: 515 meters /second (1000 knots) max
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Acceleration: Less than 4g
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Jerk: 20m/sec
Power:
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Main power input: 4.5V ~ 6.5V DC input
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Power consumption: 80mA
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Protocol Electrical level: TTL level,
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Output voltage level: 0V~2.85V
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Baud rate: 4,800 bps
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Output message: NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL
Physical Characteristics:
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Dimension: 53mm diameter, 19.2mm height
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Cable length: 65"
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Operating temperature: -40C to +85C
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