Quectel EC25

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 203 / 231
These parameters will not be saved.
Example
AT+QLTONE=? //Query the range.
+QLTONE: (0,1),(100-4000),(0-1000),(0-1000),(0-15300000)
OK
AT+QLTONE=1,1000,200,300,3000 //Play a 1000Hz tone, play time is 200ms and mute time is
300ms. Total time is 3000ms.
OK
+QLTONE: 0
AT+QLTONE=0 //Stop playing.
OK
<period_on> Tone‟s play time. The range is 0-1000, the unit is ms.
<period_off> Tone‟s mute time. The range is 0-1000, the unit is ms.
<duration> Tone‟s total time. The ranges is 0-15300000, the unit is ms.
NOTE