Hi-target IMU RTK Trimble CHC FOIF Stonex GPS RTK module used Hi-target A8PLUS rover rtk receiver with 660 channels Packaging & Delivery Packaging Details Size: base station: 53cm*23cm*42cm ;8KG rover station:53cm*23cm*42cm;8KG antenna:13cm*20cm*148cm;5KG Port: Shanghai, China Lead Time : 2-3 working days after payment confirmed