Specifications
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“AT+ADST=?”(This AT command is related to section 3.3.3).
Q: The module can not be connect.
A: Check whether the status of the device is in the non-connect state by using AT command
“AT+ADST=?”(This AT command is related to section 3.3.3).
Q: No reaction when the AT command is sent.
A: Check whether the AT Command is end with a “\r”,if there is a “\r”,please remove it.
Q: The module can not communicate with the host(the command or data can not be sent
through uart port) .
A: Make sure the module and the host(MCU) are in a common GND.
4.2. Default parameter list
Function Descriptor Parameter
Advertisement type Connectable advertisement
Advertise interval 300ms
Advertise name XT_(6 bytes of MAC Address)
Baud rate 115200bps
Transmit power 0dbm
Transmission speed Low speed
Work mode Salve-Single-Link
Slave data service UUID 6940-0001-B5A3-F393-E0A9-E50E-24DC-CA99
Slave TX Characteristic UUID 6940-0002-B5A3-F393-E0A9-E50E-24DC-CA99
Slave RX Characteristic UUID 6940-0003-B5A3-F393-E0A9-E50E-24DC-CA99
Slave configuration service UUID 7F51-0004-B5A3-F393-E0A9-E50E-24DC-CA9E
Slave configuration Characteristic UUID 7F51-0005-B5A3-F393-E0A9-E50E-24DC-CA9E
Slave RX configuration Characteristic UUID 7F51-0006-B5A3-F393-E0A9-E50E-24DC-CA9E
Switch mode Disable
Encryption Disable
Key 000000
GPIO-0 Disable
GPIO-1 Disable
GPIO-2 Disable
GPIO-3 Disable










