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GPS LR9805ST
12-channel module with single chip technology and very low consumption (SMD)
The Leadtek LR9805ST GPS module is a high sensitivity, low power, Surface Mount Device (SMD). This 12-channel global positioning system (GPS) receiver is designed for a broad spectrum of OEM applications and is based on the fast and deep GPS signal search capabilities of SiRFStarII? single chipset.
Features:
TECHNICAL SPECIFICATIONS:
Chipset SiRFstarII single chipset (GSC 3f )
General Frequency L1, 1575.42 MHz (C/A code 1.023 MHz chip rate)
Channels 12
Sensitivity -154 dBm
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)
(Open Sky & Stationary Requirements) Reacquisition 0.1 sec., average
Snap start 1 sec., average
Hot start 1 sec., average typical TTFF
Warm start 38 sec., average typical TTFF
Cold start 42 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/second 3, max.
Power
Main power input 3.2 ~ 5.0 VDC input
Power consumption ≈106 mW (continuous mode)
Supply Current ≈32 mA
Backup Power 1.65 ~ 5.0 VDC input.
Serial Port
Electrical interface Two full duplex serial TTL interface.
Protocol messages NMEA-0183/4800bps (Default)
Gain
LNA Gain typical +22dB
Environmental Characteristics
Operating temperature range -40 deg. C to +85 deg. C
Storage temperature range -55 deg. C to +100deg. C
Physical Characteristics
Length 24 mm
Width 20 mm
Height 2.9 mm
Weight 2,5 g
Interface Specifications
I/O 28 pin SMD micro package
Datasheet LR9805ST_Manualv1.pdf (386 KB)
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