Data Sheet

u-bloxNEO-M8Uuntethereddeadreckoningmoduleincluding3Dinertialsensors
SPIInterface
SupportsGPSL1C/A,SBASL1C/A,QZSSL1C/A,QZSSL1-SAIF,GLONASSL1OF,BeiDouB1I,and
GalileoE1B/C
Parameter Specification
Dynamicsoperationallimit
1
≤4g
Altitudeoperationallimit
1
50000m
Velocityoperationallimit
1
500m/s
Velocityaccuracy
2
0.5m/s
Headingaccuracy
2
1degree
Maxnavigationupdaterate
3
30Hz
Maxnavigationlatency
3
<10ms
Parameter
GPS&
GLONASS GPS GLONASS BeiDou Galileo
Time-To-FirstFix
5
Coldstart 26s 30s 31s 39s 57s
Hotstart 1.5s 1.5s 1.5s 15.s 1.5s
Aidedstart
6
3s 3s 3s 7s 7s
Sensitivity
78
Tracking&
Navigation
-160dBm
-160
dBm
-157dBm
-160
dBm
-154
dBm
Reacquisiton -160dBm
-159
dBm
-156dBm
-155
dBm
-152
dBm
ColdStart -148dBm
-147
dBm
-145dBm
-143
dBm
-133
dBm
HotStart -157dBm
-156
dBm
-155dBm
-155
dBm
-151
dBm
Horizontalpositioning
accuracy
Autonomous
9
2.5m 2.5m 4.0m 3.0m
TBC
10
WithSBAS
11
1.5m 1.5m - - -
Altitudeaccuracy
WithSBAS
12
3.5m 3.0m 7.0m 5.0m -
1
ConfiguredforAirborne<4gplatform
2
50%at30m/s
3
Highnavigationratemode
5
Allsatellitesat-130dBm,exceptGalileoat-127dBm
6
Dependentonaidingdataconnectionspeedandlatency
7
DemonstratedwithagoodexternalLNA
8
Configuredmin.CNOof6dB/Hz,limitedbyFWwithmin.CNOof20dB/Hzforbestperformance
9
CEP,50%,24hoursstatic,-130dBm,>6SVs
10
TobeconfirmedwhenGalileoreachesfulloperationalcapability
11
CEP,50%,24hoursstatic,-130dBm,>6SVs
GNSSSPECIFICATIONS