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NEO-M8N GNSS
antenna connector
GNSS USB
DS124
J102
GNSS
adapter board
NEO-M8N
GNSS module
DS132
DS121
BT200
DS500
DS501
GND
DS107
DS105
DS109
DS103
Cellular
antenna connector
ANT1 - J103
GND
DIL B2B connector
J301
SARA-R412M
Cellular module
Cellular
adapter board
DS100
Figure 2: Overview of the EVK-R412M evaluation kit for SARA-R412M modules
UBX-16029216 - R07
C1-Public
Cellular USB
(UART)
J501
J208
DS118
DL403
DL501
Cellular native USB
J104
Starting up
Cellular RS232
(UART)
Power input
J500
DL405
Headset jack
Cellular reset
J303
SW303
EVK-R4 - User guide
9 – 18 V
J400
SW300
DL404
Main power switch
SW400
DL401
GND
SW401
SW403
SW304
SW204
DL400
Cellular VCC
supply jumper
J404
GND
SIM card holder
J300
DIL B2B connector
J300
Cellular power-on
SW302
Page 6 of 31
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