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Description:

GPS Receiver Module
SiRFStarIV
Highest performance GPS PVT engine
Highest level of BOM integration
Built-in LNA

SiRF IV GPS Module GPS Engine Board GPS ReceiverModule

GPS Module SiRF gps oem 

 

Features :

Performance

1. Highest performance GPS PVT engine
2. High acquisition sensitivity for fast TTFF
3. Extremely low weak signal tracking sensitivity
4. High jamming immunity
5. Smallest footprint and total solution size
6. Highest level of BOM integration
7. Value added software enhancements
8. Multimode A-GPS (Autonomous, MS-based, and MS-Assisted) – Needoperator support
9. Embedded CGEE / SGEE (Need server support)
10. SiRFGeoRecov Reverse EE
11. Cold/Warm/Hot Start Time: 35/35/1 sec. at open sky andstationary environments.
12. Reacquisition Time: 0.1 second
13. RF metal Shield for best performance in noisy environments

 

 

Advantages

1. Built-in LNA
2. Embed CGEE (Client Generated Extended Ephemeris) that cancapture ephemeris data from satellites locally and predictsephemeris out to 3 days. So if the module was off within 3 days, itcould complete positioning process within 2 seconds just like hotstart.
3. It can remove in-band jammer up to 80db-Hz and track up to 8CWjammers, so the module can prevent GPS signal interference whendesign-in the electrical device with noisy electrical signalinterferences such as Laptop, mobile phone, DSC, etc.
4. Maintain tracking sensitivity as low as -163dBm, even withoutnetwork assistance. (SiRF StarIII has only -159dBmsensitivity)
5. Support SiRFaware technology
6. Support adaptive “Micro Power Controller” power managementmode
7. Support MEMS sensor through I2C interface
8. only 8mW Trickle Power, so user can leave power on all dayinstead of power off
9. Suitable for battery drive devices that need lower powerconsumption application
10. Ideal for high volume mass production(Taping reel package)
11. Cost saving through elimination of RF and board to boarddigital connectors
12. Flexible and cost effective hardware design for differentapplication needs

 

specifications

Feature	Item	Description
Chipset	GSD4e	SiRF StarIV low power single chipset
General	Frequency	L1, 1575.42 MHz
	C/A code	1.023 MHz chip rate
	Channels	48
Accuracy	Position	10 meters, 2D RMS
		<5 meters 2D RMS, WAAS corrected
	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) (Open Sky & StationaryRequirements)	Reacquisition	0.1 sec., average
	Snap start	1 sec., average
	Hot start	1 sec., average typical TTFF
	Warm start	35 sec., average typical TTFF
	Cold start	35 sec., average typical TTFF
Dynamic Conditions	Altitude	18, 000 meters (60, 000 feet) max.
	Velocity	515 meters/second (1000 knots) max.
	Acceleration	4g, max.
	Jerk	20 meters/second3, max.
Power	Main power input	2.8 ~ 5.0 VDC input
	Power consumption	56 mW
	Supply Current	26 mA
	Trickle Power	8mW
	Backup Power	2.8 ~ 5.0 VDC input
Serial Port	Electrical interface	One full duplex serial TTL interface
	Protocol messages	NMEA-0183@4800 bps (Default)