Status; Cellular/Wlan Interface - Quectel RM500Q-AE Manual

(Specific Absorption Rate) detection. The signal is sent from a host system proximity sensor to the
module to provide an input trigger, which will reduce the output power in radio transmission.
Table 181817: Function of the DPR Signal
DPR Level
High/Floating
Low
NOTE
See document [2] for more details about AT+QCFG="sarcfg" command.
3.9.7.3.11.6.

STATUS*

RM500Q-AE&RM502Q-AE module provides two status indication pins for communication with IPQ807x
device. Pin 38 (SDX2AP_STATUS) outputs the status indication signal to IPQ807x device, and pin 68
(AP2SDX_STATUS) inputs the status indication signal from IPQ807x device.
3.10.3.12.

Cellular/WLAN Interface*

RM500Q-AE&RM502Q-AE module provides a cellular/WLAN COEX interface, the following table shows
the pin definition of this interface.
Table 191918: Pin Definition of COEX Interface
Pin No. Pin Name
62 COEX_RXD*
64 COEX_TXD*
59 LAA_TX_EN*
60 WLAN_TX_EN*
RM500Q-AE&RM502Q-AE_Hardware_Design
Function
NO max. transmitting power backoff
Max. transmitting power backoff by AT+QCFG="sarcfg"
I/O Description
DI LTE/WLAN coexistence receive
DO LTE/WLAN coexistence transmit
Notification from SDR to WL when
DO
LTE transmitting
Notification from WL to SDR while
DI
transmitting
RM500Q-AE&RM502Q-AE Hardware Design
5G Module Series
Comment
1.8 V power domain
1.8 V power domain
1.8 V power domain
1.8 V power domain
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