Designed for surveyors looking for easy-to-use GNSS technology that performs under even the most rigorous conditions.  A Complete GNSS System Lightweight, convenient and cable free Dual-frequency antenna enhances tracking capacity Delivers sub-millimeter phase center stability Internally powered with removable batteries Comes standard with GPS L1, L2, L2C and QZSS Choose the level of GNSS support you require with flexible upgrade options including GLONASS , Galileo and BeiDou (COMPASS) Advanced Trimble R-Track Technology Integrated in to the Trimble R6, Trimble R-Track technology delivers: Reliable, precise positioning performance Signal Prediction compensates for intermittent or marginal RTK correction signals CMRx communications protocol provides correction compression for optimized bandwidth and full utilization of all the satellites in view Download brosur    Trimble R4 GNSS RTK & Static, Base & Rover Complete Set (2 Receiver) GPS, GLONASS, QZSS, Internal TX/RX Radio Include : 2x Main unit base & rover 2x Tribrach ,2x Adapter,2x Tripod ,2x Tape Measure, 2x Cable - 1.5, OS/7P/M - OS/7P/F & OS/7P/F, 2x Extension Pole 25cm, 2x Hardcase 4x Li-ion Battery 2x Dual Charger with power supply ,2x Serial to serial Data Cable,2x UHF Antenna 2x External Battery with Pouch, Ext. Battery Charger with 0S/7P/M Cable, 1xTrimble Slate Controller w/Trimble Access, 1xPole mount, 1xCarbon Fiber Pole, 1xBipod, 1x Serial to Lemo data cable 1x TBC Survey Advance Free Training at Jabodetabek Gratis Training di Jakarta Jual GPS Trimble R4 RTK Jual Murah GPS Trimble R4 RTK Harga GPS Trimble R4 RTK GPS Trimble R4 RTK PLAZA GPS Mall WTC Matahari Serpong Lantai 2 Blok S20 Tangerang 021-7410220, 53153871 fax 021 7410545, 081298737575 Email : info@plazagps.com http://www.plazagps.com