Airplane Mode; Hardware; Software - Quectel RG520N-AT Hardware Design

Figure 7: Sleep Mode Application without Suspend Function
Turning on the power switch and supplying power to USB_VBUS will wake up the module.
NOTE
Pay attention to the level match shown in dotted line between the module and the host.

3.3. Airplane Mode

When the module enters airplane mode, the RF function will be disabled, and all AT commands related to
it will be inaccessible. This mode can be set via the following ways.

3.3.1. Hardware

The W_DISABLE# pin is pulled up by default. Driving it low will set the module to airplane mode.

3.3.2. Software

AT+CFUN=<fun> provides choices of the functionality level by setting <fun> into 0, 1 or 4.
⚫ AT+CFUN=0: Minimum functionality. Both RF and (U)SIM functions are disabled.
⚫ AT+CFUN=1: Full functionality mode (default).
⚫ AT+CFUN=4: Airplane mode. RF function is disabled.
RG520N-AT_Hardware_Design
Module
USB_VBUS
USB_DP
USB_DM
MAIN_RI
GND
Host
GPIO
Power
VDD
Switch
USB_DP
USB_DM
EINT
GND
5G Module Series
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