产品名称：【供应】鼎天GPS模块REB-1722详细说明：
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No
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Function
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Specification
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GPS receiver
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1
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Chipset
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SiRF Star III, GSC3f/LPx
(Digital, RF in a single package)
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2
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Frequency
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L1 1575.42MHz.
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3
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Code
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C.A. Code.
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4
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Channels
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20 parallel
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5
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Chip Sensitivity
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-159dBm.
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6
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Chip Cold start
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35 sec @ open sky (Typical)
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7
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Chip Warm start
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35 sec @ open sky (Typical)
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8
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Chip Hot start
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1 sec @ open sky (Typical)
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9
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Reacquisition
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0.1sec typical
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10
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Position accuracy
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10meters at 2D RMS.
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11
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Maximum altitude
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18000 m
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12
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Maximum velocity
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515m/s
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13
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Update rate
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Continuous operation: 1Hz
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14
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Protocol setup
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It shall store the protocol setup in the SRAM memory.
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15
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DGPS
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1.WAAS,EGNOS
2.RTCM protocol
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Interface
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17
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LNA
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18dB Gain. (Typical)
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18
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I/O Pin
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28pins
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Mechanical requirements
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19
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Weight
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≦3.5g
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20
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Dimension
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17 x 22.4 x 2.44(mm)
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Power consumption
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21
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VCC
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DC 3.3V ~3.6V
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22
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V_Back
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DC 1.4V~3.6V
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23
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Current
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Avg. ≦ 28mA@3.3V(without ext. antenna)
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Environment
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24
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Temperature
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- Operating : -40 ~ 85℃
- Storage : -40 ~ 85℃
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24
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Humidity
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≦95%
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