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LPWA Module Series

BG95 Series Hardware Design

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Table 6: Overview of BG95 Operating Modes

1. During e-I-DRX, it is recommended to use UART interface for data communication, as the use of

USB interface increases power consumption.

2. “*” means under development.

3.4. Power Saving

3.4.1. Airplane Mode

When the module enters airplane mode, the RF function does not work, and all AT commands correlative

with RF function are inaccessible. This mode can be set via the following ways.

Mode Details

Normal

Operation

Connected

Network has been connected. In this mode, the power consumption

may vary with the network setting and data transfer rate.

Idle

Software is active. The module remains registered on network, and it

is ready to send and receive data.

Extended Idle

Mode DRX

(e-I-DRX)

BG95 module and the network may negotiate over non-access stratum signaling the

use of e-I-DRX for reducing power consumption, while being available for mobile

terminating data and/or network originated procedures within a certain delay

dependent on the DRX cycle value.

Airplane Mode

AT+CFUN=4 or W_DISABLE#* pin can set the module into airplane mode. In this

case, RF function is invalid.

Minimum

Functionality

Mode

AT+CFUN=0 can set the module into a minimum functionality mode without removing

the power supply. In this case, both RF function and (U)SIM card are invalid.

Sleep Mode

In this mode, the current consumption of the module is reduced to a lower level. During

this mode, the module can still receive paging message, SMS and TCP/UDP data from

the network normally.

Power OFF

Mode

In this mode, the power management unit shuts down the power supply. The software

is not active. The serial interfaces are not accessible. But the operating voltage

(connected to VBAT_RF and VBAT_BB) remains applied.

Power Saving

Mode

(PSM)

The module may enter PSM to reduce its power consumption. PSM is similar to

power-off, but the module remains registered on the network and there is no need to

re-attach or re-establish PDN connections.

NOTES