Set of SmaRTK GNSS L1+L2 Rover Integrated Receiver, for CORS Network, Autocaster Cellular Datalinks, with Graphical OLED Display, Bluetooth, SIM Card port, GSM/GPRS/3G modem, 3G antenna, Integrated IMU, SD Card slot, I/O port,, 4 element GNSS Surveying Antenna, Internal charger and 6400mAh batteries, USB Data and Power cables, 12VDC Power supply, 1 month of Technical Support, 1 Year of Warranty and Lifetime firmware upgrades.