FEDERAL COMMUNICATIONS COMMISSION
Washington DC  20554
May 20, 2011
Via First Class Mail and E-mail
Dean Brenner
QUALCOMM Incorporated
1730 Pennsylvania Ave., N.W.
Washington, D.C.  20006
Re:  Applications of AT&T Mobility Spectrum LLC and QUALCOMM Incorporated for Consent 
To Assign Lower 700 MHz Band Licenses (WT Docket No. 11-18)
Dear Mr. Brenner:
AT&T Mobility Spectrum LLC (“AT&T”) and QUALCOMM Incorporated (“Qualcomm,” and 
together with AT&T, the “Applicants”) have filed an application pursuant to section 310(d) of the 
Communications Act of 1934, as amended.1 In this application, the Applicants seek Commission 
approval of the assignment of licenses from Qualcomm to AT&T.2 In order for the Commission to 
complete its review of the applications and make the necessary public interest findings under section 
310(d) of the Communications Act,3 we require additional information and clarification of certain matters 
discussed in the applications and other information provided to the Commission.  If necessary, we will 
follow up with additional requests for information.
Accordingly, pursuant to section 308(b) of the Act,4 we request that you provide written 
responses and supporting documentation for each request set forth in the attachment and, where 
appropriate, amend the lead application to reflect such responses.  Each response or document should 
clearly indicate the specific question or request to which it responds, and each page should be marked 
with a corporate identification and consecutive document control numbers as specified in the attached 
instructions.  We would appreciate receiving your response to each inquiry no later than June 3, 2011.  
Your responses should be filed with Marlene H. Dortch, Secretary, Federal Communications 
Commission, in WT Docket No. 11-18.  In addition, the Comment Public Notice and the Protective Order 
require the submission of multiple copies of all ex parte and other filings submitted in this proceeding.5  
The Wireless Telecommunications Bureau also should receive, at a minimum, two copies of all paper 
 
1 47 U.S.C. § 310(d).
2 See AT&T Mobility Spectrum LLC and QUALCOMM Incorporated Seek FCC Consent to the Assignment of 
Lower 700 MHz Band Licenses, WT Docket No. 11-18, Public Notice, DA 11-252 (rel. Feb. 9, 2011) (“Comment 
Public Notice”). 
3 47 U.S.C. § 310(d).
4 47 U.S.C. § 308(b).
5 See Comment Public Notice at 3-4; Applications of AT&T Mobility Spectrum LLC and Qualcomm Incorporated 
For Consent to the Assignment of Lower 700 MHz Band Licenses, WT Docket No. 11-18, Protective Order, DA 
11-806 (WTB rel. Mar. 12, 2011) (“Protective Order”).
2
filings.  If you submit information pursuant to the Protective Order issued in this case, you should deliver 
to Kathy Harris of the Wireless Telecommunications Bureau two copies of the unredacted documents
marked “Confidential Information – Subject to Protective Order in WT Docket No. 11-18 before the 
Federal Communications Commission” and two copies of the redacted documents marked “Redacted –
For Public Inspection.”6 For any electronic filings made using the Commission’s Electronic Comment 
Filing System (“ECFS”), parties also should serve the documents via e-mail to Kathy Harris, 
kathy.harris@fcc.gov; Kate Matraves, catherine.matraves@fcc.gov; and Jim Bird, jim.bird@fcc.gov.
If you have any questions regarding this matter, please contact Kathy Harris, Wireless 
Telecommunications Bureau, at (202) 418-0609.
Sincerely,
Ruth Milkman
Chief, Wireless Telecommunications Bureau
Attachment
cc: Paul Margie, Wiltshire & Grannis LLP
 
6 See Protective Order at 2 ¶ 5.