ROMSPG3.01 datasheet(6/31 Pages) U-BLOX

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CAM-M8 - Data Sheet

UBX-15031574 - R04

Page 6 of 31

Production Information

1.2 Product features

Model

Category

GNSS

Suppl

Interfaces

Features

Grade

CAM-M8Q

●

● ● ● ●

●

● ●

● ● ● T ●

●

CAM-M8C

●

● ● ● ●

●

● ●

♦ C ●

●

♦ = Yes, but with a higher backup current

C = Crystal / T = TCXO

1.3 GNSS performance

Parameter

Specification

Receiver type

72-channel u-blox M8 engine

GPS L1C/A, SBAS L1C/A, QZSS L1C/A, QZSS L1 SAIF, GLONASS L1OF, BeiDou B1I, Galileo

E1B/C

Accuracy of time pulse signal

RMS

30 ns

60 ns

99%

Frequency of time pulse signal

0.25 Hz…10 MHz (configurable)

Operational limits 1

Dynamics

≤ 4 g

Altitude

50,000 m

Velocity

500 m/s

Velocity accuracy 2

0.05 m/s

Heading accuracy 2

0.3 degrees

GNSS

GPS &

GLONASS

GPS

GLONASS BEIDOU

GALILEO

Horizontal position accuracy 3

2.5 m

4 m

3 m

TBC 4

Max navigation update rate 5

10 Hz

18 Hz

CAM-M8Q

Time-To-First-Fix 6

Cold start

26 s

29 s

30 s

34 s

45 s

Hot start

1 s

Aided starts 7

2 s

3 s

7 s

Tracking & Navigation –167 dBm

–166 dBm

–160 dBm

–159 dBm

1 Assuming Airborne < 4 g platform

2 50% @ 30 m/s

3 CEP, 50%, 24 hours static, -130 dBm, > 6 SVs

4 To be confirmed when Galileo reaches full operational capability

5 Rates with SBAS and QZSS enabled for > 98% fix report rate under typical conditions

6 All satellites at -130 dBm, except Galileo at -127 dBm

7 Dependent on aiding data connection speed and latency

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