System specification – Globalsat Technology SD-502 SDIO User Manual
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SD-502 SDIO GPS Receiver User Manual, version 1.2
Electrical Characteristics (Receiver)
Chipset
SiRF Start III
Frequency
L1, 1575.42 MHz
C/A Code
1.023 MHz chip rate
Channels
20 channel all-in-view tracking
Accuracy
Position Horizontal
10 meters, 2D RMS
1~5 meters, 2D RMS with WAAS corrected
Velocity
0.1 m/sec
Time
1 micro-second synchronized to GPS time
Datum
Datum
WGS-84 (default)
Acquistion Rate
Hot start
1 sec., average
Warm start
38 sec., average
Cold start
42 sec., average
Reacquisition
0.1 sec., average
Protocol
GPS Protocol
NMEA 0183 (default)
SiRF binary (secondary)
GPS Output format
GGA (1 sec), GSA (1 sec), GSV (5 sec), RMC (1 sec).
GLL and VTG are optional.
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
-10
°
C ~ +70
°
C
Humidity
5 ~ 95% non-condensing
Power
Voltage
3.3 V
Power Consumption
110 mA
Physical Characteristics
Dimension
95 mm x 30 mm x 13 mm
Weight
approximately 30 grams
Memory Size
512 MB
• Compliant with SDIO Card Specification Ver. 1.00
• Base on Bsquare SDIO Now!
2. System Specification