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Raveon Radio Protocol - WMX

wireless data networkWMX - short for Wireless Modem Exchange - is an optional communication protocol available for most Raveon’s wireless modems. WMX enables a user to have full control over sending and receiving of data: It allows the user to specify the destination ID when sending data and to identify the source ID of data when it is received.

Without the WMX protocol, a Raveon wireless modem transparently sends and receive data to and from other Raveon modems, and the ID of the modems in the network are all pre-configured at time of installation. - You may download complete description of the WMX protocol here.

With WMX, the user my specify “on-the-fly” the destination ID of data that is to be transmitted.  All received data is passed to the user in a pre-defined format, so the source of the data may be determined. WMX also allows for sending commands to other radio modems.  This enables the user to execute certain functions or control certain features of another remote modem – using the WMX Command protocol.

By default WMX is disabled on Raveon radios. To enable the WMX protocol on the M7 series of radios, issue the WMX 1 command (WMX 0 disables it).

WMX Highlights

  • Provides an easy-to-use interface to a wireless point-to-multipoint network.
  • Adds addressing capability to serial protocols and messages that do not have addressing.
  • Simplifies user’s software development tasks.
  • Allows the protocol to be implemented on 8-bit microcontrollers with limited resources. 
  • Provisions for addressing of transmissions by ID or group.
  • Provides secure access to internal modem configuration settings.
  • Provisions for unacknowledged data transmission
  • Enables remote control of certain product features such as digital I/O and GPS tracking.

WMX Frames are used to pass data into and out of a radio modem.  The bytes in the data field of the frame, field 6, contains the data that is transferred.  The same frame format is used to send and receive data.

wireless data communication

WMX is supported by most Raveon Radios shipped after January 2010

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