Bodysar_N Pin - Huawei ME936 Hardware Manual

HUAWEI ME936 LTE M.2 Module
Hardware Guide
Figure 3-20 Connections of the Wake_On_WWAN# pin

3.4.8 BodySAR_N Pin

ME936 provides an input pin BodySAR_N for BodySAR detection.
It is pulled up internally and when it is pulled low by the proximity sensor output or
controlling signal from host systems, the Tx power reduction actions will be triggered.
Table 3-8 Function of the BodySAR_N pin
No.
1
2
3
If BodySAR_N pin is used to monitor the proximity sensor output, there are some
essential preconditions for this hardware solution.
ME936 cannot provide any control signal for the proximity sensor. Any control or
programming required by the proximity sensor should be handled by the host side.
Issue 03 (2017-12-11)
BodySAR_N Function
Low MAX TX power will be back off by setting through AT
command.
High MAX TX power will NOT be backed off. (default)
Floating MAX TX power will NOT be backed off.
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Description of the Application Interfaces
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