MEN ME4, Руководство пользователя

Страница: 34 / 48

Functional Description
20ME04-00 E2

2020-02-25 Page 34
3.3.3 Antenna Connectors
The ME4 supports:

One antenna on the GNSS antenna connector

Two antennas on the M.2 Card (optional)
3.3.4 GNSS
The ME4 supports:

Sensor:
- u-blox NEO-M8

Antenna type:
- Active
- Passive

Standard:
- NMEA
- RTCM 104
- UBX

GPS
- L1

GLONASS
- L1

Galileo
- E1

Accuracy:
- GPS & GLONASS: 2.5 m
- GPS: 2.5 m
- GLONASS: 4 m
- BeiDou: 3m

Time-to-first-fix
- Cold start: < 45 s
- Hot start: 1 s
- Aided starts: < 7 s

Odometer input for GNSS receiver
Table 4. Connector types – SMA
Connector Type
On ME4 SMA receptacle
e.g., Hirose U.FL-R-SMT-1
Mating SMA plug
Tightening torque: max. 0.6 Nm