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): November 28, 2001
  
                                AB LIQUIDATING CORP.
               (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
  
                           Adaptive Broadband Corporation
                                    (Former Name)
  
  <PAGE>
  
  Item 5.    Other Events.
  
       On November 27, 2001, the U.S. Bankruptcy Court, Northern District of
  California, San Jose Division entered an Order Authorizing Change of Debtor's
  Name and Caption. Accordingly, on November 28, 2001, pursuant to such order,
  Adaptive Broadband Corporation filed a Certificate of Amendment with the
  Delaware Secretary of State changing its corporate name to AB Liquidating Corp.
  A copy of the Restated Certificate of Incorporation, as amended, of AB
  Liquidating Corp. is attached hereto as Exhibit 3.1.
  
  Item 7.    Exhibits.
  
       3.1   Restated Certificate of Incorporation, as amended.
  
  <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:  December 13, 2001                 By:      /s/ Elias Nader
                                                ----------------------------------
                                                     Elias Nader
                                                     Secretary
  
  <PAGE>
  
                                INDEX TO EXHIBITS
  
  Exhibit
  Number     Description
  -------    -----------
    3.1      Restated Certificate of Incorporation, as amended.
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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": "1812902"}, "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): November 28, 2001
  
                                AB LIQUIDATING CORP.
               (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
  
                           Adaptive Broadband Corporation
                                    (Former Name)
  Item 5.    Other Events.
  
       On November 27, 2001, the U.S. Bankruptcy Court, Northern District of
  California, San Jose Division entered an Order Authorizing Change of Debtor's
  Name and Caption. Accordingly, on November 28, 2001, pursuant to such order,
  Adaptive Broadband Corporation filed a Certificate of Amendment with the
  Delaware Secretary of State changing its corporate name to AB Liquidating Corp.
  A copy of the Restated Certificate of Incorporation, as amended, of AB
  Liquidating Corp. is attached hereto as Exhibit 3.1.
  
  Item 7.    Exhibits.
  
       3.1   Restated Certificate of Incorporation, as amended.
  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:  December 13, 2001                 By:      /s/ Elias Nader
                                                ----------------------------------
                                                     Elias Nader
                                                     Secretary
  INDEX TO EXHIBITS
  
  Exhibit
  Number     Description
  -------    -----------
    3.1      Restated Certificate of Incorporation, as amended.