Build on high performance, low-power SiRF star III chipset
Extreme fast TTFF (the time to first fix) at low signal level
20 ¡VChannel GPS receiver
SBAS (WAAS, EGNOS Euro Geostationary Navigation Overlay Service) support
Full navigation accuracy provided by Standard Positioning Service (SPS)
Reception frequency 1575.42MHz
CPU (ARM7TDMI) with 4Mb of internally packaged Flash memory
Advanced Power Management. (The mode of low power management when signal levels areless than 30dB Hz. Update rates arelimited from 10 seconds to 255 seconds.)
Support standard NMEA 0183 protocol
Internal RTC (Real Time Clock)
Build-in +3~+5V DC converter
Compact Engine Board Size 28 x 20x 3.0mm (WxLxH) without patch antenna
Shielding case included
Driver / Manual / Specification
Performance
Acquisition time (open sky and stationary)
Reacquisition
Average 0.1 seconds
Hot start
Average < 1 seconds
Warm start
Average 38 seconds
Cold start
Average 42 seconds
Accuracy
Position
10 meters RMS without SA
Sensitivity
Tracking
-159 dBm (average)
Acquisition
-143 dBm (average)
Dynamics
Altitude
< 18000 meter maximum
Velocity
< 515 m/sec
Acceleration
< 4 g
Frequency
L1, 1575.42MHz C/A code
Power Consumption
Under 65mA fully active
Power Management
Advanced Power Management. (The mode of low power management when signal levels are less than 30dB Hz. Update rates are limited from 10 seconds to255 seconds)
Power & Interface characteristics
Baud rate
Default baud rate for SSIII NMEA is 4800 baud. The default serial port settings for SiRF binary mode is 57600, N,8,1.
I/O Protocol
NMEA0183 (default)
I/O Connector
14pin SMD type
RF Connector¡@
¡@SMD PAD for Patch Antenna
Physical characteristics
Dimensions
28(L)*20(W)*3.0(H)+/-0.1mm
Weight
4g
Environment conditions
Operating temperature
-20¢XC ~ +80¢XC
Storage temperature
-20¢XC ~ +85¢XC
Operating humidity
5% ~ 95% RH, non condensing
Assignment of Connector
PIN
Description
1
GND
Ground
2
RF_IN
Connect to Patch or Active Antenna
3
GND
Ground
4
GND
Ground
5
GND
Ground
6
GND
Ground
7
VCC
Main power Vcc (3.0V)
8
VBAT
Battery backup input. 2.8V to 3.3V ,10uA typical
9
GPIO15
LED indicate for GPS status
10
TX
Serial Data output port A
11
RX
Serial Data intput port A
12
BOOT_SET
Reserved for re-programming flash(pull high)
13
GND
Ground
14
GND
Ground
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