GPS USB GLOBALSAT BU-353S4

Overview
GLOBALSAT BU-353-S4 is a USB GPS receiver that features a highly sensitive, low power consumption chipset in a ultra compact form factor. The BU-353-S4 is powered by a SiRF Star IV GPS chipset, and will provide you with superior performance in urban canyons, and in dense foliage. With the SiRF CGEE (Client Generated Extended Ephemeris) technology, has the capability of predicting satellite positions for up to 3 days in advance, and will deliver a CGEE-start time of less than 15 seconds under most conditions without any network assistance. The bu-353-S4's MicroPower mode allows the receiver to stay in a hot start-like condition almost continuously while consuming very little power.

The BU-353-S4 is suitable for the following applications:

• Automotive navigation
• Cellular Phone Operator Drive Test
• Personal positioning
• Fleet management
• Mobile phone navigation
• Marine navigation

BU-353-S4 Package Contents:

• BU-353-S4 USB GPS Receiver
• Suction Cup 
• CD-ROM (User Manual & GPS Info Test Utility)

Specifications:

Electrical Characteristics (Receiver)
GPS Chipset : SiRF STAR IV GSD4e
Frequency  : L1, 1575.42 MHZ
C/A Code  : 1.023 MHz chip rate
Channels  : 48
Sensitivity  : -163dBm

Accuracy
Position Horizontal  : <2.5m 2D RMS SBAS Enable
Velocity  : 0.1m/sec 95% (SA off),
Time  : 1 micro-second synchronized to GPS time
WAAS  : Enabled for North America product s (USGlobalSat, Inc)

Datum
Datum  : WGS-84

Acquisition Rate
Hot start  : 8 sec., average
Warm start  : 35 sec., average
Cold start  : 35 sec., average
Reacquisition  : 0.1 sec. average

Protocol
GPS Protocol Default  :
NMEA 0183 (Secondary: SiRF binary)
SiRF binary >> position, velocity, altitude, status and control
NMEA 0183 MEA0183 V3.0 protocol, and supports

GPS Output Data : 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 )

Dynamic Condition
Acceleration  : Limit Less than 4g
Altitude Limit  : 18,000 meters (60,000 feet) max.
Velocity Limit  : 515 meters/sec. (1,000 knots) max.
Jerk Limit  : 20 m/sec**3

Temperature
Operating  : -40°~ 80°C
Storage  : -40°~ 85°C
Humidity  : Up to 95% non-condensing

Power
Voltage  : 5V ±5%
Current  : 60mA typical

Physical Characteristics
Dimension  : 2.32" x 1.65" x 0.82" (59mm x 47mm x 21mm)
USB Cable Length  : 60" (152 cm)

Low Noise Amp
Amplifier Gain w/out cable  : 27 dB Typical
Filtering  : -25dB (+100 MHz)
Output VSWR  : 2.0 Max.
Voltage  : DC 3 ~ 5.0V
Current  : 15mA max @ 5VDC

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