
5. Restore to Factory Setting
RB11E saves data including network key information, configuration information, etc. To restore to
factory setting, users need to execute below operations.
1. Press and hold function key for 5 seconds till the green indicator flashes and then release; LED
flashes quickly 20 times.
2. RB11E will stay off after restoring to factory setting. Press function key to turn on RB11E and to
join a new LoRa network.
6. Sleeping Mode
RB11E is designed to enter sleeping mode for power-saving in some situations:
(A) While the device is in the network → the sleeping period is 3 minutes. (During this period,
if the reportchange is larger than setting value, it will wake up and send a data report).
(B) When it is not in the network → RB11E will enter sleeping mode and wake up every 15
seconds to search a network to join in the first two minutes. After two minutes, it will wake up
every 15 minutes to request to join the network.
If it’s at (B) status, to prevent this unwanted power consumption, we recommend that users
remove the batteries to power off the device.
7. Low Voltage Alarming
The operating voltage threshold is 3.2V. If the voltage is lower than 3.2V, RB11E will send a
low-power report to the Lora network.
8. Important Maintenance Instruction
This device is NOT truly waterproof/ resistant and is for indoor use.
Please keep the device in a dry place. Precipitation, humidity, and all types of liquids or
moisture can contain minerals that corrode electronic circuits. In cases of accidental liquid spills
to a device, please leave the device dry properly before storing or using.
Do not use or store the device in dusty or dirty areas.
Do not use or store the device in extremely hot temperatures. High temperatures may damage
the device or battery.
Do not use or store the device in extremely cold temperatures. When the device warms to its
normal temperature, moisture can form inside the device and damage the device or battery.
Do not drop, knock, or shake the device. Rough handling would break it.
Do not use strong chemicals or washing to clean the device.
Do not paint the device. Paint would cause improper operation.