Turn minutes into miles with the new R4S-BT wireless UHF radio modem. If you find yourself without network connection or a receiver that doesn’t have the internal range, this receiver provides the signal strength you’ll need to cover the largest Construction and Surveying sites. With the R4S-BT, you’ll now have the flexibility to extend your receiver into a scalable, modular solution without needing to buy a new GNSS system.


  • UHF multichannel radio modem with up to 70 MHz
  • Dust, water, and harsh conditions are no match with the R4S-BT’s IP67 cover and rugged design. 
  • Wireless data transfer via Bluetooth™
  • Battery 7200mAh (type 18650)
  • IP67 class power and data connector
  • Size/Weight 165 x 52 x 52 mm/420g


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