Leadtek GPS 9537 Bluetooth GPS ReceiverElectrical Characteristics
General
Chipset Sirf Star IIe/LP
Frequency L1, 1575.42 MHz
C/A code 1.023 MHz chip rate
Channels 12 channel all-in-view tracking
Antenna Type Built-in Ceramic patch antenna (External antenna optional)
Accuracy
Position 10 meters, 2D RMS
7 meters 2D RMS, WAAS corrected
1-5 meters, DGPS corrected
Velocity 0.1 meters/second
Time 1 microsecond synchronized to GPS time
Datum
Default WGS-84
Other selectable for other Datum, please refer to Appendix B
Acquisition Rate (Open sky, stationary)
Reacquisition 0.1 sec., average
Snap start 2 sec., average
Hot start 8 sec., average
Warm start 38 sec., average
Cold start 45 sec., average
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
Operational Power 3.3VDC±10%
Input Power 5VDC±10%
Battery Source rechargeable and removable lithium ion battery with 5V DC input charging circuit (900mA)
Operational Current 130~140mA Typical (Full power)
140~160mA (Use external antenna to operate)
Backup Power 3.3V
Operation Time Default 7 hours after full charge on full power situation
Programmable >7 hours, depending on duty cycle in trickle power mode
Main Interface
Connection Communication with host platform via Bluetooth Serial Profile
Protocol messages NMEA-0183 output protocol
Baud rate 38400 bps
Data bit 8
Parity N
Stop bit 1
Output format GGA(1sec), GSA(5sec), GSV(5sec), RMC(1sec),VTG(1sec)
Environmental Characteristics
Operating temperature range -20 ºC to +60 ºC
Humidity range 5% to 95% No condensing
Physical Characteristics
Length 3.27” (83 mm)
Width 1.77” (45mm)
Height 0.71” (18 mm)
Weight 52g (without chargeable battery)
78g (with chargeable battery)
Antenna connector MC PLUG type
Note The device disable internal antenna when connected with external antenna.