kolida K9 RTK measurement system, to cope with rapid changes, strive to make a new face, intelligent Linux system platform, equipped with a new generation of cortex-a5 microprocessor, to create a complete intelligent system; integrated transceiver built-in radio, high, medium and low adjustable, typical operating distance of 10km; special radio antenna bracket design to achieve 360 degree omni-directional signal transmission; dual battery support hot swap, extend the service life; NFC flash Touch pairing, intelligent voice, electronic bubble and other functions are convenient for users.