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EXHIBIT 24
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature
appears below, being a member of the Board of Directors of Adaptive Broadband
Corporation (the "Company"), hereby constitutes and appoints Donna S. Birks and
Kenneth J. Wees, and each of them, as his true and lawful attorney-in-fact and
agent, each with full power of substitution and resubstitution, for and in his
name, place and stead, in any and all capacities, to sign on his behalf the
Company's Annual Report on Form 10-K for its fiscal year ended June 30, 2000,
and to execute any amendments thereto, and to file the same, with all exhibits
thereto, and all other documents in connection therewith, with the Securities
and Exchange Commission, with the full power and authority to do and perform
each and every act and thing necessary or advisable to be done in connection
therewith, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all that said attorney-in-fact and
agent, or her or his substitute or substitutes, may lawfully do or cause to be
done by virtue hereof.
DATED: July 26, 2000
/s/ FREDERICK D. LAWRENCE /s/ WILLIAM B. MARX, JR.
_____________________________ _______________________________
Frederick D. Lawrence William B. Marx, Jr.
/s/ LESLIE G. DENEND /s/ JAMES T. RICHARDSON
_____________________________ _______________________________
Leslie G. Denend James T. Richardson
/s/ JAMES C. GRANGER /s/ TERRY W. WARD
_____________________________ _______________________________
James C. Granger Terry W. Ward
/s/ GEORGE A. JOULWAN /s/ FREDERICK W. WHITRIDGE, JR.
_____________________________ _______________________________
George A. Joulwan Frederick W. Whitridge, Jr.
/s/ WILLIAM L. MARTIN
_______________________
Willaim L. Martin
