AT Command Manual
v1.5
©2013 LM Technologies Ltd
www.lm-technologies.com
Page 13 of 26
2.8.13.2
AT+ROLE?<cr>
2.8.13.2.1
Response
<cr,lf>ROLEc< command_response> if the command is successful. Here, c- current
device type setting. E.g on default setup, the response will be <cr,lf>ROLES<
command_response>
2.8.14
AT+ADDR
This command is used to display the Bluetooth address of the local device.
2.8.14.1
AT+ADDR?<cr>
2.8.14.1.1
Response
<cr,lf><XXXX-XX-XXXX>< command_response> if the command is successful. Here,
XXXX-XX-XXXX is the Bluetooth address of local device.
2.8.15
AT+FIND
This command is used to search for any Bluetooth device in the neighborhood within one minute. If
any device is found, its name and address will be listed. Maximum limit of devices searched is 8. The
search ends with a message “Inquiry ends. xx device(s) found.” This command is available only when
the adaptor is in the manual master role.
2.8.15.1
AT+FIND?<cr>
2.8.15.1.1
Response
<command_response><cr,lf>Inquiry Results:<cr,lf>
<Sr No><DeviceName><XXXX-XX-XXXX><cr,lf> for every device found. Here, XXXX-
XX-XXXX is the Bluetooth address of local device. e.g. “1 Serial Adapter
001E-3A-2CDAB7”
2.8.15.2
AT+FIND-<cr>
This command will cancel the ongoing search operation. If the search is finished (1 minute
timeout / max devices found), then the command will return error.
2.8.15.2.1
Response
<cr,lf> Inquiry cancelled<command_response>
2.8.16
AT+RSSI
Inquire RSSI value for current bluetooth connection. This command is available in online command
mode when the device is in connected state.
2.8.16.1
AT+RSSI<cr>
2.8.16.1.1
Response
<cr,lf><RSSI><command_response>
<RSSI> - can be STRONG/AVERAGE/WEAK depending on the received radio signal
strength.