User's Manual

4.3.2 Format transmission

The so-called format transmission refers to: the data sent to the module through the serial port and the data through the serial port

of the module must conform to the defined format for transmission.

The serial port sends "AT+TRANMD=0" to the device to switch the device to format transmission. The data format is as

Slave No.

Valid data

1byte

Max:243bytes

0~1

Slave number: 0~1 is the target device number. This number comes from the "STA:connect,1<mac>" printed by

the device after the successful connection between the slave and the master.

If the connection specified by the slave number does not exist, the module directly discards the packet data.

4.4 MAC address bonding

The module supports MAC address binding. If the MAC address binding function is enabled. The device only

connects to devices with added MAC addresses.

4.5 Advertising

4.5.1 Common advertising info.

The advertising information includes advertising and scan respone. Advertising is a broadcast report sent actively,

and scan respone is a broadcast report that is responded to after receiving a host scan request.

Advertising

Fixed field

Len

Manufacturing field

Manufa data

020106

0xFF

configurable，maximum 26 byte

For example：020106< Len >FF< Manufa data >

Only Manufa data is configurable by users.

Scan response

Len

fixed

UUID

Len

fixed

Device name

0x03

FFF0

0x09

configurable，

maximum 22 byte

For example ：0303FFF0<len>09< Device name >

Note: Users do not need configurate it.

iBeacon info.

1. Instructions to configure UUID, Major, Minor respectively

2. Command AT+ADV=2 to configure to work in iBeacon broadcast mode and broadcast immediately