NEW PRODUCTS AND TEST SOLUTIONS UNVEILED AT MTT-S

Ventura, California — June, 2004

Dow-Key Microwave (a subsidiary of Dover Corp., NYSE:DOV), is an ISO 9001 certified manufacturer of electromechanical coaxial and waveguide switches, switch matrices, integrated modular assemblies, and related passive components. Dow-Key”s value driven RF Switching Solutions include Total Test Solutions that enable automatic testing of multi-port RF/Microwave components and subsystems. (Please visit our booth, ,1636, to see our demonstration). Dow-Key will also introduce its new family of electromechanical and solid state switching matrices, the latest addition to the suite of Dow-Key products and techniques aimed at meeting the most demanding needs of the growing RF/Microwave markets.

The demonstrated Automated Test Station is designed to test complex multi-port RF devices. It is based on the newest generation of Dow-Key’s 2 x 32 Switch Matrix, an Agilent PNA, and a software package developed by Dow-Key using National Instruments Lab-View. The key component of this test solution is the 2 x 32 Switch Matrix. This unit has an integrated, Window-based computer that performs a double function; internal control of the switch matrix and control of the whole test process, including data acquisition. The Switch Matrix is equipped with a Windows-based operating system, LCD TFT Monitor, and a Touch Screen with a user friendly GUI.

The DUT is one of the latest Switch Matrices introduced by Dow-Key over the last few months. This family of RF Switching Matrices includes both solid state and electromechanical designs. It has been developed to meet very demanding RF specifications. These designs cover the most common frequency ranges: 2 – 32 MHz, 20 – 200 MHz, 20 — 1100 MHz, 800 -2500 MHz, and 1 —1. They also meet the most demanding specifications for RF signal routing systems.

Dow-Key”s product line of switches range from single-pole single-throw to single-pole 14-throw as well as transfer, inline, waveguide, switch matrices, and integrated modular switch assemblies.

For more information, call the Dow-Key Sales Department at (805) 650-0260 or visit our web site at http://www.dowkey.com

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Dow-Key Microwave Corporation, the world's largest manufacturer of electromechanical RF Switches and Switching Systems, is part of the Microwave Products Group (MPG), which is a subsidiary of Dover Corporation. We specialize in Coaxial Switches, Waveguide Switches, Space Qualified Switches, Electromechanical Switch Matrices, Solid State Switch Matrices, Fiber Optic Switch Matrices, Programmable Delay Lines and much more. Specializing in RF Matrix, Switch Matrix, and RF Switches.

As a leader in RF technology, Dow-Key offers high performance waveguide switches operating up to 70 GHz, coaxial switches operating up to 40 GHz, Hi-Rel switches such as SPDT, transfer switch, T-Switch, various waveguide switches and switching blocks, and switching systems such as SATCOM modules, RF matrices with individual switches, non-blocking crossbar, fan-in and fan-out modules, hybrid switching solution and much more (electromechanical, solid state and fiber optics), in addition to, custom switching designs and reliable solutions, as it is required in today's fast paced communication industry. Our products are used in a wide range of different markets, from commercial, military and to space, with applications in ATE, avionics, ground based, satellite communications, broadcasting, Hi-Rel, and many more. We are specialized in RF technology and custom switching needs. Dow-Key Microwave is AS9100 / ISO-9001:2008 certified and is committed to provide unparalleled customer service, competitive pricing and on-time delivery. Founded in 1945, Dow-Key is the oldest continuously operational RF Relay manufacturer in the United States.

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