The Trimble R8 GNSS system is a multi-channel, multi-frequency GSNN receiver, antenna and data-link radio all in one compact unit. The R8 GNSS combines advanced receiver technology and a proven system design to provide maximum accuracy and productivity. Powered by an enhanced real-time kinematics (RTK) engine, R-Track technology in the R8 GNSS supports both next-generation and GPS L2C and L5 signals and GLONASS L1/L2 signals.