Excellent condition 2010 Trimble SPS-881 Base and Rover RTK GPS SYSTEM with GLONASS, Firmware 4.61 TSC2 Data Collector with SCS900 Construction Stakeout Software Internal 900Mhz 2-Watt transmit radios Construction/Stake Out and Topo! Glonass enabled and you will typically track between 14 and 20 satellites. less than 100 hours in the field!!! This Sale Includes everything and ready to survey:- 2X Trimble SPS 881 Base and Rover SPS-881 Rover GNSS RTK GPS receiver with 900Mhz internal radio- 1X TSC2 with SCS-900 Construction Stakeout/Collection Software- 1X TSC2 Charger and cordura case, stylus, and screen protector- 4X Receiver batteries and 2X 2-Bay Chargers- 1X serial cable for power and communication- 1X 2M GPS Tripod with Cordura Carry case- 1X Base power cable – Aligator clips- 1X Hardshell Case