EVK-L4 - User Guide
UBX-17013792 - R01
Starting up
Page 5 of 23
SIM card holder
J300
Cellular reset
SW303
Cellular power-on
SW302
GND
9 – 18 V
Power input
J400
Cellular adapter board
DL400
Main power switch
SW400
DL401
Secondary
Cellular antenna connector
ANT2 – J104
TOBY-L4
Cellular module
DIL B2B connector
J200
DIL B2B connector
J201
GND
GNSS antenna
connector
J103
GNSS module
GNSS adapter board
Cellular VCC supply jumper
J404
Cellular USB
(UART0/UARTx)
J501
Cellular RS232
(UART0)
J500
DL501
DL403
DL405
GNSS USB
J102
SW403
SW401
DL404
SW300
SW304
SW204
DS132
DS118
DS124
DS121
DS107
DS105
DS109
DS103
DS501
DS500
GND
Primary
Cellular antenna connector
ANT1 – J105
Micro SD Card - J302
RJ45 Ethernet Connector
J305
Wi-Fi antenna connector
WL_ANT - J303
Cellular native USB
J102
ELLA-W1
Wi-Fi module
DS100
SW510
UART2 jumpers – J108
UART1 jumpers – J107
UART3 jumpers – J109
Headset jack
J303
TP100
TP101
DL503
Figure 1: Overview of the EVK-L4 evaluation kit for TOBY-L4 modules
