LEADTEK GPS BLUETOOTH
DATA LOGGER
RECEIVER
LR9553D
Specifications Sheet
ALL INFORMATION CONTAINED HEREIN IS THE SOLE PROPERTY OF LEADTEK RESEARCH AND CANNOT BE
DISSEMINATED WITHOUT THE EXPRESS WRITTEN CONSENT OF LEADTEK RESEARCH.
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1/10
LR9553D Specifications Sheet Rev. 0.2
Introduction
The Leadtek LR9553D, based on cutting edge SiRFStar III technology, is a high
performance, low power, 20-channel GPS data logger and receiver with wireless capability.
As such it is a highly compatible Bluetooth solution with extraordinary configurability and
sensitivity. Its battery life-of most concern to customers- has also been greatly improved
thanks to the SiRFStar III LP (Low Power) chipset’ s outstanding power saving capability
in providing fast time-to-first-fix. Not to forget its appealing ergonomics—slim, compact and
lightweight. The innovative switch-mode design not only makes for easy activation but also
enables more power saving when LR9553D is used as a pure data logger which records
your tracking data from the received GPS signals. It provides users enough space to store
their tracking data including the altitude, GPS position, date and time- up to 240 hrs in the
continuous mode. It is not necessary to export the data until the memory is full. LR9553D
also comes equipped with mini USB interface both for easy charging and for users to be
able to export their recorded points to Google earth and Google Maps without a hitch.
Hardware and Software
• Based on the high performance features of the SiRFStar III LP chipset
• Compliant with Bluetooth v1.2, class 2
• Serial Port Profile (SPP) supported
• Built-in Ceramic Patch Antenna
• Rechargeable Li-ion battery
• Operation time: 12 hours, in continuous mode
• Three LEDs to display the status of Bluetooth, GPS and power
• Data logger function, provides users the tracking data including the altitude, position,
date and time (NMEA Format)
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Preliminary Confidential - Information is subject to change without prior notice.
LR9553D Specifications Sheet Rev. 0.2
Performance
• Cold/Warm/Hot Start Time: 42/35/1 sec.
• Reacquisition Time: 0.1 second.
• RF Metal Shield for best performance in noisy environments.
• Multi-path Mitigation Hardware.
Interface
• USB-RDD for GPS communications interface
• Protocol: NMEA-0183/SiRF Binary (Default NMEA).
• Baud Rate: Default 38400 bps.
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LR9553D Specifications Sheet Rev. 0.2
Specifications
Technical Performance
Feature Item Description
Chipset GSW3 SiRFStarIII LP technology
General
Accuracy
Datum Default WGS-84
Time to First Fix
(TTFF)
(Open Sky &
Stationary
Requirements)
Data Log
Frequency L1, 1575.42 MHz
C/A code 1.023 MHz chip rate
Channels 20
Position
Velocity 0.1 meters/second
Time 1 microsecond synchronized to GPS time
Reacquisition 0.1 sec., average
Hot start 1 sec., average typical TTFF
Warm start 35 sec., average typical TTFF
Cold start 42 sec., average typical TTFF
Switch mode ON/OFF; Navi & Log; Log only
10 meters, 2-D RMS
5 meters 2-D RMS, WAAS corrected
<5meters, 2-D RMS, DGPS corrected
Dynamic
Conditions
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Flash Memory 4MB
Recording Interval Every 15 sec. (User can configure settings)
Waypoints 60,000 points (Position, Date, Time & Altitude)
Duration 240 hrs (continuous usage)
Altitude 18,000 meters (60,000 feet) max.
Velocity 515 meters/second (1000 knots) max.
Acceleration 4g, max.
Main power input 5±5%(10%)V DC input Power
Power consumption ≈ 300 mW (continuous mode)
LR9553D Specifications Sheet Rev. 0.2
Interface
Interface Specifications
Items Description
Power Recharge Mini-USB connector
Bluetooth
Frequency 2.4GHz ISM Band
Compliant Bluetooth Specification v 1.2
Compliant Profile Series Port Profile (SPP)
Bluetooth Operation Range 10 M
Electrical
Main power input 5±5%(10%)V DC input
Power consumption 0.4W@3.3VDC (Full Power)
Backup Power 1.5±10%V DC input
Operation Time 12 hours (750mAh Li-Ion battery)
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LR9553D Specifications Sheet Rev. 0.2
Battery Electrical
Battery Cell Li-ion (750mA)
Output Voltage 3.2V~4.2V ±0.025V
LED
LED 1 (GPS)-Green
State Always on Quick blinking Slowly blinking
Description Memory full to stop 3D fixed GPS signal acquisition
LED 2 (Bluetooth)-Blue
State Quick blinking Slowly blinking No
Description BT on, but not connected yet BT connected BT off
LED 3 (Power)-Red
State Always on Quick blinking No
Description Battery is charging Low power Battery is fully charged
Environmental Characteristics
Items Description
Operating temperature range -10 deg. C to +50deg. C
Storage temperature range -20 deg. C to +65 deg. C
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Preliminary Confidential - Information is subject to change without prior notice.
LR9553D Specifications Sheet Rev. 0.2
Physical Characteristics
Items Description
Length 60.2 mm (2.37 in)
Width 33.0 mm (1.30 in)
Height 17.8 mm (0.70 in)
Weight 48 g (including rechargeable battery)
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LR9553D Specifications Sheet Rev. 0.2
Block Diagram
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LR9553D Specifications Sheet Rev. 0.2
Photo Image
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Preliminary Confidential - Information is subject to change without prior notice.
LR9553D Specifications Sheet Rev. 0.2
Packing list
CD-ROM USB Cable Car Charger
Neck eyelet strap Quick Guide
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Preliminary Confidential - Information is subject to change without prior notice.
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