Neoway N720 OpenLinux - Page 24

N720 OpenLinux
Hardware User Guide
Copyright © Neoway Technology Co., Ltd
14
Antenna Interface
ANT_MAIN
76
AIO
Main antenna
50Ω impedance
ANT_GNSS
92
AI
GNSS antenna
50Ω impedance
ANT_DIV
94
AI
Diversity antenna
50Ω impedance
Other Interfaces
RING
13
DO
Incoming call/SMS
indicator
P3
Leave this pin
floating if it is not
used.
DTR
79
DI
Sleep mode control
P3
Leave this pin
floating if it is not
used.
OTG_5V_EN
80
DO
External 5V power
enable
P3
Do not pull this pin
high before the
module is powered
up.
NET_LIGHT
83
DO
Network status indicator
P3
Leave this pin
floating if it is not
used.
GNSS_LNA_EN
90
DO
GNSS LNA enable
P3
Leave this pin
floating if it is not
used.