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GlobalSat BU-353 Waterproof USB GPS Receiver by GlobalSat
Digital Photo Product DetailsManufacturer: GlobalSat Model: BU-353 Color: Black Product features: - Built-In Supercap For Rapid Acquisition
- Built-In Roof Mount Magnet
- USB Interface
- Built-In GPS Patch Antenna
Accessories:
Digital Cameras Photo Reviews of GlobalSat BU-353 Waterproof USB GPS ReceiverCustomer Review: Works Better Than Expected Summary: 5 Stars
I was looking for a cheap GPS receiver to play around with on my laptop. While the lack of bluetooth capability has caused me to get creative in using this with my Sprint PPC-6700 PDA/Phone, I knew that when I bought it, so I wouldn't say that it is a negative for this product. This device is a GPS receiver ONLY, so don't expect any mapping or navigation software to come with it.
As for the capabilities of the receiver, this thing is amazing. It works great in my apartment (on the top floor with several windows). When I'm outside or driving in my car, this device consistently picks up 7 or more satellites in less than a minute.
I would not recommend this for someone that is looking for a feature rich navigation receiver. There are other products out there that are designed for navigation, etc. This thing is perfect if you are a general techno geek like me that wants to play around with GPS on your PC or laptop. It is cheap and uses the latest SiRF Star III chipset.
This device also works perfectly in Google Earth, but you need to pay for the "Google Earth Plus" version for $20 to enable the GPS functionality. There are other free programs out there to bridge the receiver with the free version of Google Earth, but I have had mixed results using them (specifically in Windows Vista). I decided to buy the "Plus" version of Google Earth as more of a gesture to the Google guys for such a cool product.
Combined with my cell phone as a modem, I can drive around in my car with my location displayed in real-time in Google Earth. Very cool for road trips!
Description of GlobalSat BU-353 Waterproof USB GPS ReceiverFeatures:
* 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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