Origin	Taiwan
Model Number	Ct-G223
Brand Name	Ct

SiRF III GPS Engine Board
1.SiRF StarIII/LPx single power chipset
2.Dimension : 36 x 24 x 10.5 mm
3.MMCX Antenna connector

SiRF III GPS Engine Board

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

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

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

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)

Applications

-Car Navigation

-Marine Navigation

-Fleet Management

-AVL and Location-Based Services

-Hand-Held Device for Personal Positioning and Navigation

-Ideal for PDA

GPS Engine Board 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

Feature	Item	Description
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.
	Measurement	Aligned to GPS second, ±1 microsecond