905U-D/805U-D Wireless Serial Data Modem

From plant-wide 802.11 network infrastructure in hazardous areas to simple sensor signal cable replacement, MTL Instruments bring the experience and the products to realise robust and secure wireless systems.

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The 905U-D and 805U-D serial modems provide remote serial connectivity. Possessing both RS232 and RS485 ports for communication, this device is configurable for a variety of network topologies.

  • Provides wireless connectivity for serial devices
  • Licence-free 900 MHz radio band
  • Single hop distance 20 miles line-of-sight
  • Repeater function for longer distances
  • Radio data rate up to 115,200 bits/sec


Product Code Description Downloads
intrinsically safe logo
Symbol denotes that the equipment is suitable for use in hazardous area applications.
fsm logo
Symbol denotes that the product has been assessed for functional safety applications
805U-D 805U-D Datasheet
905U-D 905U-D Datasheet