Device Object

Attribute	Type	Description	Example
ua	string	Browser user agent string.	"Mozilla\/5.0 (iPhone; CPU iPhone OS 10_2 like Mac OS X) AppleWebKit\/602.3.12 (KHTML, like Gecko) Mobile\/14C89"
geo	object	Location of the device assumed to be the user’s current location defined by a Geo object.
dnt	integer	Standard “Do Not Track” flag as set in the header by the browser, where 0 = tracking is unrestricted, 1 = do not track.	0
lmt	integer	“Limit Ad Tracking” signal commercially endorsed (e.g., iOS, Android), where 0 = tracking is unrestricted, 1 = tracking must be limited per commercial guidelines.	1
ip	string	IPv4 address closest to device.	"23.227.207.23"
ipv6	string	IP address closest to device as IPv6.
devicetype	integer	The general type of device.	4
make	string	Device make.	"Apple"
model	string	Device model.	"iPhone"
os	string	Device operating system.	"iOS"
osv	string	Device operating system version.	"10.1.3"
hmw	string	Hardware version of the device.	"5S"
h	integer	Physical height of the screen in pixels.	568
w	integer	Physical width of the screen in pixels.	320
ppi	integer	Screen size as pixels per linear inch.	326
pxratio	float	The ratio of physical pixels to device independent pixels.	2
js	integer	Support for JavaScript, where 0 = no, 1 = yes.	1
language	string	Browser language using ISO-639-1-alpha-2.	"en"
carrier	string	Carrier or ISP (e.g., “VERIZON”). “WIFI” is often used in mobile to indicate high bandwidth (e.g., video friendly vs. cellular).
connectiontype	integer	Network connection type.	2
ifa	string	ID sanctioned for advertiser use in the clear (i.e., not hashed).	382A78A3-7EA0-4D3B-9724-0231C07D0C5A
didsha1	string	Hardware device ID (e.g., IMEI); hashed via SHA1.	9db9123123b7fe382df2efeeb0176d2216cff7e
didmd5	string	Hardware device ID (e.g., IMEI); hashed via MD5	12f2f79bb5b7fe382df2efeeb0176da2216cff7e
dpidsha1	string	Platform device ID (e.g., Android ID); hashed via SHA1	a12f1479bb5b7fe382df2efeeb0176d16cff7e
dpidmd5	string	Platform device ID (e.g., Android ID); hashed via MD5.	12sff9bb5b7fe382df2efeeb0176d2216cff7e
macsha1	string	MAC address of the device; hashed via SHA1.	12sff9bb5b7fe382df2efeeb0176d2216cff7e
macmd5	string	MAC address of the device; hashed via MD5.	12sff9bb5b7fe382df2efeeb0176d2216cff7e
ext	object	Placeholder for exchange-specific extensions to OpenRTB. BidMachine sends information about battery state and info if device is rooted.	{"battery":-100,"rooted":"false"}