Crouse Hinds Products

Modem Radios

Modems are used to connect PLC's in industrial environments. They are suitable for accessing field data loggers or data-acquisition units in process plants. 900 MHz device (Frequency Hopping Spread Spectrum) are now available which share the following features:
  • 10/100 BaseT Ethernet plus RS232/RS485 serial ports.
  • Military-grade AES security encryption of wireless data.
  • Firewall protection and efficient wireless management.
  • Message filtering at MAC & IP address level.
  • Configuration and diagnostics via web-browser
  • Remote configuration and diagnostics via the wireless link
  • Automatic changeover to another Access Point if the wireless link fails (mesh networking)
  • Modbus Master capability for both Modbus TCP and serial Modbus RTU
  • Configurable as Access Point / Client; Bridge / Router / Repeater

900 MHz Wireless Ethernet Modem

D2 W MDME 900


  • 902-928 MHz, 0.1 - 1W configurable, Frequency Hopping Spread Spectrum (FHSS).
  • Wireless data up to 200kbs
  • Typical line-of-sight distance 20 miles North America (4W ERP), up to 60 miles using high gain antennas (4W ERP);
  • Serial server functionality
  • Discrete channel for status I/O, for failure status or external status transfer


Catalog Number Description
D2 W MDME 900 Ethernet 802.3 900MHz 1W