LPM2100 mg NB Module Hardware User Guide
Shanghai Yuge Information Technology Co., Ltd.
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Figure 2-1 Functional block diagram of the LPM2100 mg series module
2.4 Module working mode
Table 2-2 Working mode
Operating mode
Description
Shut down
Module does not work in shutdown
Flight mode
The module turns off the module RF circuit and cannot interact
with the network.
Sleep
The module turns off most of the functions and will be
synchronized with the network.
Idle
Power on and successfully register the network, in idle state
Data transmission
The module is working and has data interaction with the network.
PSM mode
After entering the PSM mode, the module can achieve the
minimum power consumption, and the internal power of the
module is turned off. The software except the RTC stops running,
and the serial port cannot be used
