Data Sheet

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17. Query/Set Link Layer connection slave latency
Send
Receive
Parameter
AT+COLA[para]
OK+ Get:[para]
OK+ Set:[para]
para: ?, 0 ~ 4
?: Query
0: No latency
Default: 0
Added since V538 version.
NOTE: Only used in central role, peripheral role can only ask central role to change.
18. Query/Set Maximum Link Layer connection supervision timeout
Send
Receive
Parameter
AT+COSU[para]
OK+ Get:[para]
OK+ Set:[para]
para: ?, 0 ~ 9
?: Query; 0: 100ms
1: 1000ms; 2: 2000ms
3: 3000ms; 4: 4000ms
5: 5000ms; 6: 6000ms
Default: 6
Added since V538 version
NOTE: Only used in central role, peripheral role can only ask central role to change.
19. Query/Set Maximum Link Layer connection interval
Send
Receive
Parameter
AT+COUP[para]
OK+ Get:[para]
OK+ Set:[para]
para: ?, 0, 1
?: Query
0: Don’t update