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GNSS
adapter board
GND
NEO-M8N
GNSS module
DS132
DS121
BT200
DS500
DS501
Cellular USB
(Two UARTs)
J201
DS201
DS107
DS105
DS109
DS103
Cellular antenna
connector (ANT)
J106
GND
DIL B2B connector
J301
SARA-R422M8S
cellular module
Cellular
adapter board
Figure 3: Overview of the evaluation kit for SARA-R422M8S modules
UBX-16029216 - R07
C1-Public
NEO-M8N GNSS
antenna connector
J208
GNSS USB
DL403
J102
DS124
DS118
DS100
J248
Cellular native USB
J105
Cellular RS232
Cellular USB
(Single UART)
(Single UART)
J500
J501
DL501
SARA-R422M8S GNSS
antenna connector
J112
Starting up
EVK-R4 - User guide
9 – 18 V
Power input
J400
DL405
SW300
DL404
Main power switch
SW400
DL401
GND
SW401
SW403
SW304
SW204
DL400
Cellular VCC
supply jumper
J404
Cellular VCC
supply jumper
J109
GND
SIM card holder
J300
DIL B2B connector
J300
Cellular power-ctrl
DS139
SW302
Page 7 of 31
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