EXHIBIT 3

0069-EX-ML-2004 Text Documents

AT&T; CORP.

2004-10-01ELS_67523

AT&T Corp.
FCC Form 442
WD2XDQ
FILE NUMBER 0069-EX-ML-2004

Exhibit 3
Item 7

This application requests modification to our existing experimental authorization
(WD2XDQ) to enable AT&T Corp. (AT&T) to engage in experiments to test RF
equipment, RF propagation, new and developing technologies, and enhancements to
existing technologies and services. The application proposes the use of a variety of
modulation techniques and power levels in the WCS and MDS bands. Depending on the
experiment in question, the tests may be conducted in numerous and varied locations, and
using resources from the multiple AT&T locations in the State of New Jersey, thereby
necessitating that the experimental license be granted for statewide use.

Specific components of the testing are expected to include procedures to:

(1) Correlate the actual performance of various systems with predictive software-
based algorithms using multiple temporary base locations to assess interference.

(2) Assess the effectiveness of various technologies and designs in providing high
speed data, Internet access, and voice services to typical customer locations.

(3) Investigate the propagation performance at various frequencies and under a
variety of attenuation conditions using CW and swept frequency transmission
techniques (sounding RF channels).

AT&T is constantly engaged in the process of developing and testing the suitability of
technologies for new services to ensure that innovative and competitive services can be
commercially deployed at the earliest time. In order to enable AT&T to engage in the
experimental testing required to bring new and innovative services to the public, AT&T
submits that grant of this application would serve the public interest, convenience, and
necessity.

Document Created: 2004-10-01 15:37:42
Document Modified: 2004-10-01 15:37:42

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