The Trimble R6 delivers the accuracy and reliability required for precision surveying with superior tracking and RTK performance. TThis Pre-Owned R6 GNSS receiver has an integrated 3G cellular modem. Accessories include hard case only; all other accessories sold separately S/N 5005414148 Model 73206-72 Trimble R6 Model 2 with GSM Cansel Pre-Owned equipment is fully tested and configured and backed by our 90 day warranty.