Emerson, St. Louis, MO, has agreed to buy Stratos International, Inc., which will become part of Emerson Network Power. Emerson will acquire the company for about $85 million.   ; The agreement broadens the scope of Network Power's offerings and strengthens the position of Emerson Connectivity Solutions in the $35 billion connector industry, particularly in the radio frequency (RF) sector.   ; Emerson Network Power serves telecommunications networks, data centers, health care and industrial facilities with power solutions, including inbound power, connectivity, power supplies, power systems and precision cooling. Sales in fiscal 2006 were $4.4 billion.