TomTom 9821 User Manual
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TomTom Wireless GPS
User’s Manual
9821
Version 1.1 beta
25 March 2003
All Rights Reserved
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Contents
1 MAIN FEATURES .........................................................................................................................1
2 SPECIFICATIONS.........................................................................................................................1
2.1 ELECTRICAL CHARACTERISTICS .............................................................................................1
2.2 OTHER CHARACTERISTICS ......................................................................................................2
2.3 FIRMWARE CHARACTERISTICS................................................................................................3
2.4 CERTIFICATIONS ......................................................................................................................3
3 ACCESSORIES ..............................................................................................................................4
3.1 POWER ......................................................................................................................................4
3.2 MOUNTING................................................................................................................................4
4 OPERATION ..................................................................................................................................5
4.1 HARDWARE DESCRIPTION..............................................................................................................5
4.2 TURN ON/OFF ..................................................................................................................................5
4.3 CHARGING ......................................................................................................................................6
4.4 BLUETOOTH COMMUNICATION ...............................................................................................6
4.5 GPS...........................................................................................................................................6
4.6 PIN CODE ...............................................................................................................................6
5. NOTICES.........................................................................................................................................7
5.1 GLOBAL POSITIONING SYSTEM......................................................................................................7
5.2 AIRCRAFT AND HOSPITALS ......................................................................................................7
5.3 HEAT REFLECTIVE SHIELDS ..........................................................................................................7
5.4 IMPORTANT.....................................................................................................................................7
5.5 BATTERY.........................................................................................................................................7
5.6 FCC ................................................................................................................................................8
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1
1 Main Features
12 Channels “All-In-View” Tracking
Position accuracy of 10 meters 2D RMS
Cold/Warm/Hot Start Time: 45/38/8 Seconds
Reacquisition Time: 0.1 seconds
RF connector for external GPS antenna
Supports Standard NMEA-0183
Compatible with Bluetooth devices with Serial Port Profile (SPP)
Superior Sensitivity for Urban Canyon and Foliage Environment
Small, sleek, and lightweight design easily fits in your hand
Two LEDs indicating Bluetooth and GPS activity
Lithium-ion battery lasting full working day typical use
On/off push button
Dimensions: 1.81” x 3.38” x 0.75” / 46mm x 86mm x 19mm
2 Specifications
2.1 Electrical Characteristics
Items Description
Chipset
GSP2e/LP SiRF starII LP technology
Frequency L1, 1575.42 MHz
C/A code 1.023 MHz chip rate
Channels 12
General
Antenna Built-in Ceramic patch antenna
External antenna optional
Position 10 meters, 2D RMS
Velocity 0.1 meters/second
Accuracy
Time 1 microsecond synchronized to GPS time
Datum
Default WGS-84
Reacquisition 0.1 sec., average
Snap start 2 sec., average
Hot start 8 sec., average typical TTFF
Warm start 38 sec., average typical TTFF
Acquisition
Rate(Open Sky
& Stationary
Requirements)
Cold start 45 sec., average typical TTFF
Altitude 18,000 meters (60,000 feet) max.
Velocity 515 meters/second (1000 knots) max.
Acceleration 4g, max.
Dynamic
Conditions
Jerk 20 meters/second3, max.
Main power input 3.3±10%V DC input.
Charging Power 5VDC±10%
Battery Source Rechargeable 600mAh Lithium-Ion battery
with 5V DC input charging circuit
Supply Current Please refer to the following table.
<Note 1>
Power
Battery Charging Full charge 2 hours
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2
Backup Power 3.3V(internal onboard rechargeable backup
battery).
Operational Current The device is enabled by Lithium-Ion
battery only.
Type Operation Typical use 6-8 hours
GPS and Bluetooth fully active 5~6 hours
Bluetooth
Module
CSR chip solution Samsung Bluetooth Module
<Note 1> Current consumption
9821vE
GPS position(patch) GPS not position(patch)
BT connect
state
Yes No Yes No
Current
consumption
107~113mA 80~90mA 110mA 83~96mA
Remark
1.Battery is not charging state.
2.The current consumption of active antenna is 21mA
2.2 Other Characteristics
Items Description
Humidity range 5% to 95% No condensing
Operating temperature range
-20ºC to +60ºC ( -4ºF to 140ºF)
Battery discharge
-20ºC to +60ºC ( -4ºF to 140ºF)
Battery charge
-10ºC to +55ºC ( -4ºF to 104ºF)
Short period storage
temperature (1 month)
-20ºC to +50ºC ( -4ºF to 112ºF)
Environmental
Characteristics
Long time storage
temperature (>1 month)
-20ºC to +35ºC ( -4ºF to 95ºF)
Length 86 mm (3.38in)
Width 46 mm (1.81 in)
Height 19 mm (0.75 in)
Weight 75g(2.6 oz)
Antenna connector
MC plug<Note2>
Power connector 3.5mm
Physical
Characteristics
Cradle connector Power connector for TomTom
Wireless GPS cradle with cover
Active antenna 3.3V Active antenna
Antenna
Passive antenna With LR 9410 LNA module
<Note2> The internal antenna will be disabled when an external antenna is connected.
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