7. Specification
GPS Chipset
SiRF Star III e/LP
Frequency
L1, 1575.42 MHZ
C/A Code
1.023 MHz chip rate
Channels
20 all-in-view tracking
Sensitivity
-159 dBm
Accuracy
Position Horizontal
5m 2D RMS WAAS enabled
10m 2D RMS WAAS disabled
Velocity
0.1m/sec 95% (SA off),
Time
1 micro-second synchronized to GPS time
Datum
Datum
WGS-84
Acquisition Rate
Hot start
1 sec., average (with ephemeris and almanac valid)
Warm start
38 sec., average (with almanac but not ephemeris)
Cold start
42 sec., average (neither almanac nor ephemeris)
Reacquisition
0.1 sec. average (interruption recovery time)
Protocol
GPS Protocol
Default: NMEA 0183 (Secondary: SiRF binary)
GPS Output Data
NMEA 0183 MEA0183 V2.2 protocol, and supports command:
GGA, GSA, GSV, RMC, VTG, GLL v2.2
GPS transfer rate
Software command setting (Default : 38400,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
-20°~ 70°C
Storage
-20°~ 80°C
Humidity
Up to 95% non-condensing
Power
Voltage
5 Volt DC by USB Host input
Current
80mA typical
Physical Characteristics
Dimension
2.6”L x 0.9”W x 0.4”H (65.5L x 23W x 11H mm)
Unit Weight
0.04 lbs (20g)
Certifications
FCC
USA (Covers requirements for CANADA ICES-003)
CE
Europe
ROHS
Europe
