UB4B0 User Manua
l
26
J2: MMCX female
,
10M external clock interface
J3: 2x12 dual row pin
(
2.0mm pitch
)
J4: 2x8 dual row pin
(
2.0mm pitch
)
Appendix II Technical Specifications
PerformanceSpecifications
Channels
432 channels, based on
Nebulas-II SoC chip
Initialization
time
<10s( Typical)
Frequency
BDS B1/B2 /B3
GPS L1/L2/L5
GLONASS L1/L2
Galileo E1/E5a/E5b
Single point
positioning
(RMS)
Horizontal :1.5m
Vertical
:
3.0m
Initialization
reliablity
> 99.9%
Time to First Fix Cold start
:
45s
RTK
(RMS)
Horizontal
:
1cm+1ppm
Differential data RTCM 2.X/3.X
CMR
Vertical
:
1.5cm+1ppm
Data formats
NMEA-0183
,
Unicore
Measurement
Precision (RMS)
BDS GPS GLONASS Galileo
Update Rate
20Hz
B1/L1
C/A/E1
code
10cm 10cm 10cm. 10cm Time
accuracy(RMS)
20ns
B1/L1/E1 Carrier 1mm 1mm 1mm 1mm
Velocity
0.03m/s