The ABSniffer firmware provide the features iBeacon sniffer. It can be config with AT command.

AT Commands

The response for each command have a \r\n line end.

Local Commands

Command	Summary	Examples	Response
AT	Query the status		OK
AT+ADDR?	Query the native MAC address		OK+ADDR: MAC address (address for 12 string)
AT+VERS?	Query the firmware version		OK+VERS1.0
AT+SCAN?	Start scan the iBeacon nearby		OK+SCAN1 OK+SCAN:0017EA915E24,E2C56DB5DFFB48D2B060D0F5A71096E0,1,8,-58,-72,100 OK+SCAN:C4EDBA567941,E2C56DB5DFFB48D2B060D0F5A71096E0,0,0,-58,-72 OK+SCAN:20CD3999087E,E2C56DB5DFFB48D2B060D0F5A71096E0,1,6,-65,-69,100 OK+SCAN0
AT+CONN[param1]	Connect to an AprilBeacon	AT+CONN20CD3999087E	OK+CONNA
AT+BAUD[param1]	Set the baud rate param1 : 0 - 4. 0: 9600, 1: 19200 2: 38400, 3: 57600 4:115200 Default: 0 (115200)	AT+BAUD1	OK+Set:1
AT+RESET	Restart the module immediately

The response for command AT+SCAN? are splitted by commas. The fields mean:

• Mac address
• Proximity UUID
• Major
• Minor
• Measured power
• RSSI
• Battery Level (This one only effected for AprilBeacon that firmware 2.1 and later)

If change the baud rate to lower value, the output for AT+SCAN? will be incomplete.

Control Commands

The commands Only effected when connect to AprilBeacon. To change the configure of a April Beacon, execute the command AT+AUTH[param1] first.

Command	Summary	Examples	Response
AT+PUID[param1]	Set the proximityUUID for iBeacon	AT+PUIDE2C56DB5DFFB48D2B060D0F5A71096E0	OK+Set:E2C56DB5DFFB48D2B060D0F5A71096E0
AT+MAJR[param1]	Set the major for iBeacon	AT+MAJR123	OK+Set:123
AT+MINR[param1]	Set the minor for iBeacon	AT+MINR123	OK+Set:123
AT+MPOW[param1]	Set the measured power for iBeacon	AT+MPOW-58	OK+Set:-58
AT+AUTH[param1]	Input the passcode to change the to configable	AT+AUTHAprilBrother	OK+AUTH1