Trimble R780 GNSS System, serial number: 6229F00459 Activated bands: GPS: L1C, L1 C/A, L2E (L2P), L2C, L5 GLONASS: L1C/A, L1P. L2C/A, L2P, L3 Galileo: E1, E5A, E5B and E5AltBOC, E62 BeiDou: B1, B2, B3, B1C, B2A QZSS: L1 C/A, L1C, L1S, L2C, L5, LEX/L6 IRNSS: L5 SBAS: L1 C/A (EGNOS/MSAS GAGAN/SDCM), L1 C/A Firmware version: latest Global model, no any regional restrictions. 336 channels supported UHF base and rover option is active. UHF modem 430-470 Mhz is included and installed. Item can be used as UHF rover or UHF base using internal modem. IMU Base option activation is included to price. UHF base option will be activated prior to shipping.