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The wireless modules are new, but already support several protocols including DF1, Ethernet TCP/IP, Hart, and Profibus. The use a Wi-Fi 802.11b module and talk ProSoft Wireless Protocol (PWP) over the air. This allows them to any other module regardless of protocol. By going wireless, they are able to communicate unlike wired units, such as two Profibus masters may talk to each other without a controller.
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