GPS Module GPS Engine Board GPS模块 LR9123
Features
Hardware and Software
-Based on the high performance features of the SiRFstarIII/LPx single chipset
-Compact module size for easy integration: 36x24x10.5mm (1.417x0.945x0.413)
-20 channels All-in-View tracking
-Hardware compatible with SiRF GSW software
-RoHS compliance
-Based on the high performance features of the SiRFstarIII/LPx single chipset
-Compact module size for easy integration: 36x24x10.5mm (1.417x0.945x0.413)
-20 channels All-in-View tracking
-Hardware compatible with SiRF GSW software
-RoHS compliance
Physical Characteristics
-Length 36 mm (1.417 in)
-Width 24 mm (0.945 in)
-Height 10.50 mm (0.413 in)
-Weight 7g
-Antenna connector MMCX type
-Interface connector 20-pin straight header, 0.8mm pitch board-to-board
-Length 36 mm (1.417 in)
-Width 24 mm (0.945 in)
-Height 10.50 mm (0.413 in)
-Weight 7g
-Antenna connector MMCX type
-Interface connector 20-pin straight header, 0.8mm pitch board-to-board
Performance
-Cold/Warm/Hot Start Time: 35/35/1 sec. at open sky and stationary environments.
-Reacquisition Time: 0.1 second
-RF Metal Shield for best performance in noisy environments
-Multi-path Mitigation Hardware
-Cold/Warm/Hot Start Time: 35/35/1 sec. at open sky and stationary environments.
-Reacquisition Time: 0.1 second
-RF Metal Shield for best performance in noisy environments
-Multi-path Mitigation Hardware
Interface
-TTL level serial port for GPS communications interface
-Protocol: NMEA-0183/SiRF Binary (default NMEA)
-Baud Rate: 4800, 9600, 19200, 38400 or 57600 bps (default 4800)
-TTL level serial port for GPS communications interface
-Protocol: NMEA-0183/SiRF Binary (default NMEA)
-Baud Rate: 4800, 9600, 19200, 38400 or 57600 bps (default 4800)
Applications
-Car Navigation
-Marine Navigation
-Fleet Management
-AVL and Location-Based Services
-Hand-Held Device for Personal Positioning and Navigation
-Ideal for PDA
-Car Navigation
-Marine Navigation
-Fleet Management
-AVL and Location-Based Services
-Hand-Held Device for Personal Positioning and Navigation
-Ideal for PDA
GPS Module Technical Specifications
|
Feature
|
Item
|
Description
|
|
Chipset
|
GSC3f
|
SiRFstarIII Low power single chipset
|
|
General
|
Frequency
|
L1, 1575.42 MHz
|
|
|
C/A code
|
1.023 MHz chip rate
|
|
|
Channels
|
20
|
|
Accuracy
|
Position
|
10 meters, 2D RMS
|
|
|
|
5 meters 2D RMS, WAAS corrected
|
|
|
|
<5meters (50%)
|
|
|
Velocity
|
0.1 meters/second
|
|
|
Time
|
1 microsecond synchronized to GPS time
|
|
Datum
|
Default
|
WGS-84
|
|
|
Other
|
selectable for other Datum
|
|
Time to First Fix (TTFF)
|
Reacquisition
|
0.1 sec., average
|
|
(Open Sky &
|
Snap start
|
1 sec., average
|
|
Stationary
|
Hot start
|
1 sec., average typical TTFF
|
|
Requirements)
|
Warm start
Cold start |
35 sec., average typical TTFF
35 sec., average typical TTFF |
|
Dynamic
|
Altitude
|
18,000 meters (60,000 feet) max.
|
|
Conditions
|
Velocity
|
515 meters/second (1000 knots) max.
|
|
|
Acceleration
|
4g, max.
|
|
|
Jerk
|
20 meters/second3, max.
|
|
Power
|
Main power input
|
3.3 ~ 5.0 VDC
|
|
|
Power consumption
|
86mW
|
|
|
Supply Current
Backup Power |
26mA
1.5 ~ 5.0 VDC input. |
|
Serial Port
|
Electronics interface
|
Two full duplex serial TTL interface
|
|
|
Protocol messages
|
NMEA-0183@4800 bps (Default)
|
|
Time-1PPS
|
Level
|
TTL
|
|
Pules
|
Pulse duration
|
The 1PPS pulse width is 1 μs, this
1PPS is NOT suited to steer various
oscillators (timing receivers,
telecommunications system, etc).
|
|
|
Time reference
|
At the pulse positive edge.
|
