Quectel RM520N-GL User Manual

5G Module Series
RM520N-GL_Hardware_Design 53 / 84
Host Module
WAKE_ON_WAN#
BB
GPIO
23
VCC_IO_HOST
NOTE:
The voltage level on VCC_IO_HOST depends on the host side due to the open drain in pin 23.
Wake up the host
1s
H
L
R1
10k
Figure 23: WAKE_ON_WAN# Signal Reference Circuit
4.4.5. DPR*
The module provides the DPR (Dynamic Power Reduction) pin for body SAR (Specific Absorption Rate)
detection. The signal is sent from the proximity sensor of the host system to the module to provide an
input trigger, which will reduce the output power in radio transmission.
Table 24: Function of the DPR Signal
See document [3] for more details about AT+QCFG="sarcfg" command.
Always at high level
Idle/Sleep
DPR Level
Function
High/Floating
NO max. transmitting power backoff
Low
Max. transmitting power backoff by AT+QCFG="sarcfg"
NOTE

Quectel RM520N-GL Specifications

General

Brand	Quectel
Model	RM520N-GL
Category	Wireless Router
Language	English