content: <PAGE>
  
                         SECURITIES AND EXCHANGE COMMISSION
                               Washington, D. C. 20549
  
                                      FORM 8-K
  
                                   CURRENT REPORT
  
                       Pursuant to Section 13 or 15(d) of the
                           Securities Exchange Act of 1934
  
         Date of Report (Date of earliest event reported): October 20, 2001
  
  
  
                           ADAPTIVE BROADBAND CORPORATION
               (Exact name of registrant as specified in its charter)
  
  
                                      Delaware
                              (State of incorporation)
  
  
  
        000-07428                                         94-1668412
  (Commission File No.)                         (IRS Employer Identification No.)
  
  
  
  
  
                            2055 GATEWAY PLACE, SUITE 400
                             SAN JOSE, CALIFORNIA 95110
                (Address of principal executive offices and zip code)
  
  
  
  
         Registrant's telephone number, including area code: (408) 451-3940
  
  
  
                               -----------------------
  
  <PAGE>
  
  Item 5.    Other Events.
  
           Adaptive Broadband Corporation, Debtor and Debtor in Possession, has
  submitted a Chapter 11 Monthly Operating Report (General Business Case) for the
  month ended September 29, 2001 in the matter In re Adaptive Broadband
  Corporation (Case No. 01-53685 ASW) in the U.S. Bankruptcy Court, Northern
  District of California, San Jose Division. The Monthly Operating Report for the
  month ended September 29, 2001, dated October 20, 2001 is attached hereto as
  Exhibit 99.1.
  
  Item 7.    Exhibits.
  
    99.1     Monthly Operating Report for the month ended September 29, 2001,
             dated October 20, 2001.
  
  
  
  
  
  <PAGE>
  
                                     SIGNATURE
  
           Pursuant to the requirements of the Securities Exchange Act of 1934,
  the registrant has duly caused this report to be signed on its behalf by the
  undersigned, thereunto duly authorized.
  
                                         ADAPTIVE BROADBAND CORPORATION
  
  Dated:  October 25, 2001               By: /s/ Daniel L. Scharre
                                            --------------------------------------
                                            Daniel L. Scharre
                                            Chairman, President and Chief
                                            Executive Officer
  
  
  
  
  <PAGE>
  
  
                                  INDEX TO EXHIBITS
  
  Exhibit
  Number           Description
  -------          -----------
  
   99.1            Monthly Operating Report for the month ended September 29,
                   2001, dated October 20, 2001.
metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "d8k.txt", "description": "FORM 8-K", "secsgml_size_bytes": 2661}]
metadata_filer: {"company-data": {"conformed-name": "ADAPTIVE BROADBAND CORP", "cik": "0000016357", "assigned-sic": "3663", "irs-number": "941668412", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-07428", "film-number": "1768287"}, "business-address": {"street1": "1143 BORREGAS AVE", "city": "SUNNYVALE", "state": "CA", "zip": "94089", "phone": "4087324000"}, "mail-address": {"street1": "ADAPTIVE BROADBAND CORPORATION", "street2": "1143 BORREGAS AVE", "city": "SUNNYVALE", "state": "CA", "zip": "94089"}, "former-company": {"former-conformed-name": "CALIFORNIA MICROWAVE INC", "date-changed": "19920703"}}
text: SECURITIES AND EXCHANGE COMMISSION
                               Washington, D. C. 20549
  
                                      FORM 8-K
  
                                   CURRENT REPORT
  
                       Pursuant to Section 13 or 15(d) of the
                           Securities Exchange Act of 1934
  
         Date of Report (Date of earliest event reported): October 20, 2001
  
                           ADAPTIVE BROADBAND CORPORATION
               (Exact name of registrant as specified in its charter)
  
                                      Delaware
                              (State of incorporation)
  
        000-07428                                         94-1668412
  (Commission File No.)                         (IRS Employer Identification No.)
  
                            2055 GATEWAY PLACE, SUITE 400
                             SAN JOSE, CALIFORNIA 95110
                (Address of principal executive offices and zip code)
  
         Registrant's telephone number, including area code: (408) 451-3940
  
                               -----------------------
  Item 5.    Other Events.
  
           Adaptive Broadband Corporation, Debtor and Debtor in Possession, has
  submitted a Chapter 11 Monthly Operating Report (General Business Case) for the
  month ended September 29, 2001 in the matter In re Adaptive Broadband
  Corporation (Case No. 01-53685 ASW) in the U.S. Bankruptcy Court, Northern
  District of California, San Jose Division. The Monthly Operating Report for the
  month ended September 29, 2001, dated October 20, 2001 is attached hereto as
  Exhibit 99.1.
  
  Item 7.    Exhibits.
  
    99.1     Monthly Operating Report for the month ended September 29, 2001,
             dated October 20, 2001.
  SIGNATURE
  
           Pursuant to the requirements of the Securities Exchange Act of 1934,
  the registrant has duly caused this report to be signed on its behalf by the
  undersigned, thereunto duly authorized.
  
                                         ADAPTIVE BROADBAND CORPORATION
  
  Dated:  October 25, 2001               By: /s/ Daniel L. Scharre
                                            --------------------------------------
                                            Daniel L. Scharre
                                            Chairman, President and Chief
                                            Executive Officer
  INDEX TO EXHIBITS
  
  Exhibit
  Number           Description
  -------          -----------
  
   99.1            Monthly Operating Report for the month ended September 29,
                   2001, dated October 20, 2001.