Extension of Supply Agreement

Exhibit 10.2

Extension Agreement

     This Extension Agreement is dated as of March 22, 2006 between Tollgrade Communications, Inc., having an address at 493 Nixon Road, Cheswick, PA 15024 (“Tollgrade”) and Bulova Technologies EMS LLC, with an address at 3900 W. Sarno Rd., Melbourne, FL 32934 (“Bulova Technologies”).

      WHEREAS, Tollgrade (as successor in interest to Acterna Corporation) and Bulova Technologies (as successor in interest to Dictaphone Corporation’s Electronic Manufacturing Services Division) are parties to a Supply Agreement dated July 25, 2002, which sets forth the terms pursuant to which Bulova Technologies manufactures and supplies to Tollgrade, and Tollgrade purchases from Bulova, certain products (the “Supply Agreement”);

      WHEREAS, the Supply Agreement was initially scheduled to expire on July 24, 2004, and has been successively extended through March 31, 2006;

      WHEREAS, Tollgrade and Bulova Technologies desire to replace the Supp