V90 Plus GNSS RTK System Product Parameters Real-time kinematic precision8 mm H/ 15 mm V Signal trackingGPS, GLONASS, Galileo, BDS, QZSS, SBAS Quasi-dynamic survey technologyTilt Survey 1.0 Channels220 / 555 (Optional) Receive & TransmitSupport multi-protocol radio Download V90Plus-brochure-EN-20220608-s iHand30-Brochure-EN-20210409s iHand55-Professional-Field-Controller-Brochure-EN-20211108(s) SEND AN INQUIRY