Quectel EC2 Series User Manual

LTE Module Series
EM05 Hardware Design
EM05_Hardware_Design Confidential / Released 38 / 59
Module
Host
WOWWAN#
10K
VCC from the Host
Figure 25: WOWWAN# Signal Reference Circuit Diagram
3.11.4. DPR Signal*
EM05 provides an input pin DPR (Dynamic Power Reduction) for body SAR detection. The signal is sent
by a host system proximity sensor to the wireless device to provide an input trigger which will reduce
output power in the radio transmit.
Table 16: Function of the DPR Signal
“*” means under development.
No.
DPR
Function
1
High/Floating
Max Tx power will NOT be backed off
2
Low
Max Tx power will be backed off by executing AT
commands
NOTE
Quectel
Confidential

Quectel EC2 Series Specifications

General

Brand	Quectel
Model	EC2 Series
Category	Control Unit
Language	English