The Trimble R8 Model 3 integrated GNSS system delivers industry leading performance for surveyors facing demanding RTK applications. This Pre-Owned R8 GNSS receiver has an integrated 3G cellular modem. Accessories include hard case only; all other accessories sold separately S/N 4920172421 Model 67250-72 Trimble R8 Model 3 with GSM Cansel Pre-Owned equipment is fully tested and configured and backed by our 90 day warranty.