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The U2 Smart GPS Receiver is a total solution
GPS receiver, designed based on SiRF Architecture.
This positioning application has an antenna
embedded and meets strict needs such as
car navigation, mapping, surveying, agriculture
and so on. |
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clear view of sky and certain power supply are
necessary to the unit. It communicates with other
electronic utilities via compatible dual-channel
RS-232 and saves critical satellite data by built-in
memory backup |
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| Key Features |
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| The
U2 provide a host of features that
make it easy for integration and
use.
• Full navigation accuracy provided
by Standard Positioning Service
(SPS).
• Compact design ideal for applications
with minimal space
• High performance receiver tracks
up to 12 satellites .
• Differential capability utilizes
real-time RTCM corrections producing
3-10 meter position accuracy.
•A rechargeable battery sustains
internal clock and memory (Only
in U2).
•User initialization is not required.
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| Specifications |
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| Technical
Specifications : |
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Chipset: |
•SiRF
Star IIe/LP |
| General: |
•
Frequency:L1, 1575.42MHz
• C/A code:1.023MHz chip rate
• Channel:12
• Sensitivity:-170dBW |
| Position: |
•Position
Horizontal :25m 95% (SA off),
• Position Vertical :40m 95%
(SA off) |
| Accuracy
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•Velocity0.2m/sec
95% (SA off)
•Time: 340 nsec. 95% C/A code |
| Datum : |
• Default:
WGS-84 |
| Reacquisition
0.1 sec., averaged |
| Acquisition
Rate: |
•Hot start
8 sec., Averaged
•Warm start 38 sec., Averaged
•Cold start 45 sec., Averaged |
| Dynamics
Conditions : |
•Altitude:
< 60,000 feet
• Velocity : < 1000 knots
•Acceleration: 4g., max.
• Jerk: 20 meters/ sec***3,
max |
| Main Interfaces:
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•Dual channel
RS-232 compatible level(4800-Default,
9600, 19200,38400).
• NMEA 0183 Version 2.0 ASCII
output (GPGGA, GPGSV, GPGSA,
GPRMC, GPVTG).
• Real-time Differential Correction
input (RTCM SC-104 mess age
types 1,2 and 9) |
| Environmental
Characteristics : |
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Operating temperature range:
-40。C to +85。C
• Humidity range: 5% to 95%
R.H. No condensing |
| Physical
Characteristics : |
• U2 Size:
Diameter 59mm , Height 23mm,
Weight 7gm |
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Caution
!!! |
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The U2 is with
USB, RS232 or PS/2 connector. U2
USB and U2 RS232 both are for PC/laptop
and they cannot work with PDA/Smartphone.
U2 PS/2 is for PDA and you need
to buy an additional cable to connect
U2 PS/2 to your PDA, and please
check U2 cable list webpage if there
is available cable for your PDA.
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