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Topcon MC-i4

The MC-i4 receiver features internal SL-R4 board which contains an integrated digital UHF radio, LongLinkTM Bluetooth, and a GSM/CDMA modem for Sitelink3D ready on almost all network connections.

The rugged design allows for ultra reliability in even the harshest site conditions. The MC-i4 was subjected to IP67 testing specifications which require the hardware to have extreme protection against moisture and dust as well as stringent drop and vibration requirements.


  • LongLink access for LPS excavator, dozer and grader control
  • Enhanced Sitelink3D Connectivity
  • Digital UHF Connectivity (Standard RTK Corrections)
  • GSM or CDMA for maximum cellular connectivity (RTK Network Corrections)
  • CAN Communication to drive Cat M graders and Cat Dozers

Supported Systems

  • i-33 Dozer
  • X-33 Excavator
  • i-53 Dozer (New Product Offering)
  • X-53i LPS Excavator (New Product Offering)
  • X-63i Excavator

Associated Products