A20L Rtk OEM Board Gnss GPS Module with Gnss Surveying Antenna

A20L Rtk Oem Board GNSS GPS Module With GNSS Surveying AntennaProduct DescriptionProduct ParametersA20 GNSS MODUL Satellite TrackingMeasurement accuracy BDS B1I ,B1c ,B2a ,B2I ,B3I Single point measurement Horizontal: 2m Vertical: 4m GPS L1CA ,L2P ,L2C ,L5 RTK Measurement (Single Station) Horizontal: 0.8cm + 1ppm Vertical: 1.5cm + 1ppm Initialization time: