At+Bc - ICP DAS USA BLE-USB User Manual

3.1.6 AT+BC

(1) Description
The Bluetooth LE used 3 channels (CH37~39) for frequency hopping in broadcast mode.
This command allow user to change the broadcast channel when the module was in the
broadcast mode. User can choose one channel for broadcasting, or choose three channels for
broadcasting. The command only change the broadcast command in the broadcast mode,
and the broadcast will not be change in the connection mode.
(2) Syntax
Write Command
AT+BC=<channel><CR>
Read Command
AT+BC?<CR>
Test Command
AT+BC=?<CR>
(3) Parameter
0: CH 37 (2402 MHz)
1: CH 38 (2426 MHz)
<channel> 2: CH 39 (2480 MHz)
3: CH 37~39
Default: 3
(4) Example
AT+BC=1<CR>
OK<CR><LF>
AT+BC?<CR>
Response
OK<CR><LF>
Error: 01<CR><LF>
Response
+BC: <channel><CR><LF>
OK<CR><LF>
Response
+BC: 0~3<CR><LF>
OK<CR><LF>
BLE-USB, USB to Bluetooth Low Energy Converter (Ver. 1.0, Oct/6/2016) 19
(refer to 3.1.25)