This part defines the advertisement data fields used in the bletiny app. For a complete list of all data types and formats used for Extended Inquiry Response (EIR), Advertising Data (AD), and OOB data blocks, refer to the Supplement to the Bluetooth Core Specification, CSSv6, available for download here.


Name Definition Details
uuids16 16-bit Bluetooth Service UUIDs Indicates the Service UUID list is incomplete i.e. more 16-bit Service UUIDs available. 16 bit UUIDs shall only be used if they are assigned by the Bluetooth SIG.
uuids16_is_complete 16-bit Bluetooth Service UUIDs Indicates the Service UUID list is complete. 16 bit UUIDs shall only be used if they are assigned by the Bluetooth SIG.
uuids32 32-bit Bluetooth Service UUIDs Indicates the Service UUID list is incomplete i.e. more 32-bit Service UUIDs available. 32 bit UUIDs shall only be used if they are assigned by the Bluetooth SIG.
uuids32_is_complete 32-bit Bluetooth Service UUIDs Indicates the Service UUID list is complete. 32 bit UUIDs shall only be used if they are assigned by the Bluetooth SIG.
uuids128 Global 128-bit Service UUIDs More 128-bit Service UUIDs available.
uuids128_is_complete Global 128-bit Service UUIDs Complete list of 128-bit Service UUIDs
tx_pwr_lvl TX Power Level Indicates the transmitted power level of the packet containing the data type. The TX Power Level data type may be used to calculate path loss on a received packet using the following equation:

pathloss = Tx Power Level – RSSI

where “RSSI” is the received signal strength, in dBm, of the packet received.
device_class Class of device Size: 3 octets
slave_itvl_range Slave Connection Interval Range Contains the Peripheral’s preferred connection interval range, for all logical connections. Size: 4 Octets . The first 2 octets defines the minimum value for the connection interval in the following manner:

connIntervalmin = Conn_Interval_Min * 1.25 ms

Conn_Interval_Min range: 0x0006 to 0x0C80
Value of 0xFFFF indicates no specific minimum.

The other 2 octets defines the maximum value for the connection interval in the following manner:

connIntervalmax = Conn_Interval_Max * 1.25 ms
Conn_Interval_Max range: 0x0006 to 0x0C80
Conn_Interval_Max shall be equal to or greater than the Conn_Interval_Min.
Value of 0xFFFF indicates no specific maximum.
svc_data_uuid16 Service Data - 16 bit UUID Size: 2 or more octets
The first 2 octets contain the 16 bit Service UUID followed by additional service data
public_tgt_addr Public Target Address Defines the address of one or more intended recipients of an advertisement when one or more devices were bonded using a public address. This data type shall exist only once. It may be sent in either the Advertising or Scan Response data, but not both.
appearance Appearance Defines the external appearance of the device. The Appearance data type shall exist only once. It may be sent in either the Advertising or Scan Response data, but not both.
adv_itvl Advertising Interval Contains the advInterval value as defined in the Core specification, Volume 6, Part B, Section 4.4.2.2.
le_addr LE Bluetooth Device Address Defines the device address of the local device and the address type on the LE transport.
le_role LE Role Defines the LE role capabilities of the device.
0x00 Only Peripheral Role supported
0x01 Only Central Role supported
0x02 Peripheral and Central Role supported, Peripheral Role preferred for connection establishment
0x03 Peripheral and Central Role supported, Central Role preferred for connection establishment
0x04 – 0xFF Reserved for future use
svc_data_uuid32 Service Data - 32 bit UUID Size: 4 or more octets
The first 4 octets contain the 32 bit Service UUID followed by additional service data
svc_data_uuid128 Service Data - 128 bit UUID Size: 16 or more octets
The first 16 octets contain the 128 bit Service UUID followed by additional service data
uri Uniform Resource Identifier (URI) Scheme name string and URI as a UTF-8 string
mfg_data Manufacturer Specific data Size: 2 or more octets
The first 2 octets contain the Company Identifier Code followed by additional manufacturer specific data