Schedule 13G Page 1 of 4
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
AMENDMENT NO.____
Aether Systems, Inc.
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
00808V105
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(CUSIP Number)
December 31, 1999
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(Date of Event which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
/ / Rule 13d-1(b)
/ / Rule 13d-1(c)
/X/ Rule 13d-1(d)
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
Schedule 13G Page 2 of 4
CUSIP No. 00808V105
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1. Names of Reporting Persons. I.R.S. Identification Nos. of above
persons (entities only).
3Com Corporation 94-2605794
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2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) / /
(b) /X/ Not Applicable
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3. SEC Use Only
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4. Citizenship or Place of Organization U.S.
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5. Sole Voting Power -0-
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6. Shared Voting Power 16,900,078
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7. Sole Dispositive Power 2,643,665
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8. Shared Dispositive Power -0-
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9. Aggregate Amount Beneficially Owned by Each Reporting Person
16,900,078
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10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
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11. Percent of Class Represented by Amount in Row (9) 62.2%
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12. Type of Reporting Person (See Instructions)
CO
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Schedule 13G Page 3 of 4
ITEM 1.
(a) Name of Issuer
Aether Systems, Inc.
(b) Address of Issuer's Principal Executive Offices:
11460 Cronridge Drive
Owings Mills, Maryland 21117
ITEM 2.
(a) Name of Person Filing
3Com Corporation ("3Com")
(b) Address of Principal Business Office or, if none, Residence
5400 Bayfront Plaza
Santa Clara, California 95052
(c) Citizenship
3Com is a Delaware corporation
(d) Title of Class of Securities
Common Stock, par value $0.01 per share
(e) CUSIP Number
00808V105
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO SECTIONS 240.13d-1(b) OR
240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:
Not Applicable
ITEM 4. OWNERSHIP
(a) Amount beneficially owned:
16,900,078
(b) Percent of class:
62.2%
(c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the vote:
0 shares of Common Stock.
(ii) Shared power to vote or to direct the vote:
As a result of the voting agreement with Telcom-ATI Investors,
L.L.C., Reuters MarketClip Holdings Sarl, and NexGen
Technologies, L.L.C., 3Com has the shared power to vote
16,900,078 shares of Common Stock.
(iii) Sole power to dispose or to direct the disposition of:
2,643,665 shares of Common Stock.
Schedule 13G Page 4 of 4
(iv) Shared power to dispose or to direct the disposition of:
0 shares of Common Stock.
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
Not Applicable
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON
Not Applicable
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY
Not Applicable
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP
Not Applicable
ITEM 9. NOTICE OF DISSOLUTION OF GROUP
Not Applicable
ITEM 10. CERTIFICATION
By signing below each of the undersigned certifies that, to the best
of the undersigned's knowledge and belief, the securities referred
to above were not acquired and are not held for the purpose of or
with the effect of changing or influencing the control of the issuer
of the securities and were not acquired and are not held in
connection with or as a participant in any transaction having that
purpose or effect.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.
Date: May 22, 2001
3Com Corporation
By: /s/ Mark Michael
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Name: Mark Michael
Title: General Counsel and Secretary