Cat M1 / NB-IoT Modem
NWK030
Pin Connectors (cont.)
Product Information (cont.)
PIN
Name
Input/Output
Description
1
GPIO2
Output
Module status indication
SARA-R4 pin23
2
VCC_3V3
Power
Power Input
3
NC
Not Connected
4
GND
Power Ground
5
NC
Not Connected
6
GNSS_TXD
Output
+1.8V UART GNSS data output
EVA-M8M-0 pin16
7
PWR_ON
Input
Power-on / power-off input
SARA-R4 pin15
8
SIM_VCC
External SIM signal — Power supply for the SIM
9
GND
Power Ground
10
SIM_IO
Input/Output
External SIM signal — Data I/O
11
V_INT
Output
+1.8V UART GNSS data output
SARA-R4 pin4
12
SIM_CLK
Output
External SIM signal — Clock
13
UART_DSR
Output
UART data set ready
SARA-R4 pin6
14
SIM_RST
Input
External SIM signal — Reset
15
GND
Power Ground
16
NC
Not Connected
17
GNSS_RXD
Input
+1.8V UART GNSS data output
EVA-M8M-0 pin15
18
GND
Power Ground
19
NC
Not Connected
20
W_DISABLE_N
Hi or Open: Enable the Power
Low: Disable the power
21
GND
Power Ground
22
RESET_N
Input
SARA-R4 External reset input
SARA-R4 pin18
23
UART_RXD
Input
+1.8V UART data output
SARA-R4 pin12
24
VCC_3V3
Power
Power Input
25
UART_RTS
Output
+1.8V UART clear to send
SARA-R4 pin11
26
GND
Power Ground
27
GND
Power Ground
28
UART_CTS
Input
+1.8V UART ready to sent
SARA-R4 pin10
29
GND
Power Ground
30
UART_DCD
Output
+1.8V UART data carrier detect
SARA-R4 pin8
31
UART_TXD
Output
+1.8V UART data output
SARA-R4 pin13
32
NC
Not Connected
33
GPIO1
RESERVED pin
SARA-R4 pin16
34
GND
Power Ground
35
GND
Power Ground
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