SunTech ST940 - 2-2. GPS Specifications

Doc. Title
ST940 User Manual
Concerning:
Rev.
Date (dd-mm-yy)
Page of Pages
Features and how to configure ST940
1.19
0
19-06-15
15
8 of 51
2-2. GPS Specifications
Item
Description
Receiver Type
56-channel U-blox7 engine
GPS & QZSS L1 C/A, GLONASS L1OF,
Galileo* E1B/L1, Compass* ready
SBAS: WAAS, EGNOS, MSAS
Update Rate
10Hz
Accuracy
1)
Position 2.5m CEP
SBAS 2.0m CEP
Acquisition
2)
TCXO
Cold starts 26s
1s ( AssistNow Autonomous)
Aided start<1s
Hot start<1s
Sensitivity
3)
Tracking -162dBm
Reacquisition -160dBm
Cold start -148dBm
Back-up Supply
Voltage range : 2.5V to 3.6V
Antenna type
Patch Antenna
Operating Temperature
-20 ~+80℃
*1) All SV @ –130 dBm
*2) It depends on aiding data connection speed and latency
*3) The 3 figures were measured with a good active antenna.