Mobile ads

- If you're looking to monetize a mobile site designed for users of iPhone, Android or other high-end devices with browsers capable of executing JavaScript, use any standard AdSense for content ad unit.

If you create a mobile ad unit for "All phones", both WAP mobile ads and high-end text and image ads in the mobile leaderboard format are eligible to show depending on what type of device is requesting the page.

Android, iOS, and other devices with full HTML browsers

Text ads

For all mobile ad units with the exception of the mobile leaderboard, one or more text ads are eligible to show.

Mobile leaderboard (320x50)
Animated to display the full text ad copy.
Text1
Text2
Small square (200x200)
Square (250x250)
Medium rectangle (300x250)
Large mobile banner (320x100)

Image ads

For all mobile ad units with the exception of the mobile leaderboard, one or more text ads are eligible to show.

Mobile leaderboard (320x50)

Small square (200x200)
Square (250x250)
Medium rectangle (300x250)

Mobile devices with WAP browsers

Ad Exchange only supports high-end mobile devices therefore this does not apply to Ad Exchange. 

Text ads
Single
Double

Image ads
Only one image ad will appear on a page at any time.
 
6:1 aspect ratio
300x50

[Ad] www.displayURL.com
216x36

[Ad] www.displayURL.com
168x28

[Ad] www.displayURL.com
4:1 aspect ratio
300x75

[Ad] www.displayURL.com
216x54

[Ad] www.displayURL.com
168x42
[Ad] www.displayURL.com
Japan standard size
192×53 -- up to 5k
Banner 192 x 53
[Ad] www.displayURL.com