<PAGE>
Exhibit 99.5
DETACH HERE
Form of
PROXY
ADAPTIVE BROADBAND CORPORATION
PROXY SOLICITED BY THE BOARD OF DIRECTORS FOR A SPECIAL MEETING
OF STOCKHOLDERS
TO BE HELD ON ________, 2001
The undersigned hereby appoints Frederick D. Lawrence and Kenneth J. Wees,
and each of them, as attorneys and proxies of the undersigned, with full power
of substitution, to vote all of the shares of stock of Adaptive Broadband
Corporation which the undersigned may be entitled to vote at the Special Meeting
of Stockholders of Adaptive Broadband Corporation to be held at the Sheraton
Four Points Sunnyvale Hotel, 1250 Lakeside Drive, Sunnyvale, California 94089 on
________, __________, 2001 at 10:00 a.m. (local time), and at any and
postponements, continuations and adjournments thereof, with all powers that the
undersigned would possess if personally present, upon and in respect of the
following matters and in accordance with the following instructions, with
discretionary authority as to any and all other matters that may properly come
before the meeting.
UNLESS A CONTRARY DIRECTION IS INDICATED, THIS PROXY WILL BE VOTED FOR THE
PROPOSAL AS MORE SPECIFICALLY DESCRIBED IN THE PROXY STATEMENT. IF SPECIFIC
INSTRUCTIONS ARE INDICATED, THIS PROXY WILL BE VOTED IN ACCORDANCE THEREWITH.
--------------- ---------------
SEE REVERSE CONTINUED AND TO BE SIGNED ON REVERSE SIDE SEE REVERSE
SIDE SIDE
--------------- ---------------
<PAGE>
DETACH HERE
[X] Please mark votes as in this example.
MANAGEMENT AND THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR THE PROPOSAL.
FOR AGAINST ABSTAIN
1. To consider and vote upon a proposal to adopt an [ ] [ ] [ ]
Agreement and Plan of Merger, dated as of
November 12, 2000 among Western Multiplex
Corporation, WA Merger Sub, Inc., a wholly owned
subsidiary of Western Multiplex, and Adaptive
Broadband Corporation under which:
. WA Merger Sub will be merged into Adaptive
Broadband, with Adaptive Broadband continuing
as the surviving corporation and becoming a
wholly owned subsidiary of Western Multiplex;
and
. each issued and outstanding share of Adaptive
Broadband common stock will be canceled and
converted into the right to receive 1.345 shares
of Western Multiplex common stock.
MARK HERE FOR ADDRESS CHANGE AND NOTE AT LEFT [ ]
MARK HERE IF YOU PLAN TO ATTEND THE MEETING [ ]
Please sign exactly as your name appears hereon.
If the stock is registered in the names of two or
more persons, each should sign. Executors,
administrators, trustees, guardians and attorneys-
in-fact should add their titles. If signer is a
corporation, please give full corporate name and
have a duly authorized officer sign, stating
title. If signer is a partnership, please sign in
partnership name by authorized person.
Signature:________________ Date:_______ Signature:________________ Date:_______