ICP DAS USA BLE-USB User Manual page 18

3.1.4 AT
(1) Description
This command is used for testing module when the module had entered to the AT command
mode.
(2) Syntax
Execution command
AT<CR>
(3) Example
AT<CR>
OK<CR><LF>
AT
AT<CR>
Error: 05<CR><LF>
3.1.5 ATE
(1) Description
This command is used to leave the AT command mode.
(2) Syntax
Execution command
ATE<CR>
(3) Example
ATE<CR>
OK<CR><LF>
Response
OK<CR><LF>
(refer to 3.1.25)
Response
OK<CR><LF>
BLE-USB, USB to Bluetooth Low Energy Converter (Ver. 1.0, Oct/6/2016) 18