Precise height extension compatible withRTK equipment, GNSS receivers, and total stations. Multiple length options available: 15 cm, 25 cm, and 30 cm compatible withflexible height adjustment. Durable aluminum alloy construction ensures resistance to bending, deformation, and corrosion. Suitable compatible withlong-term outdoor use in demanding environments such as construction sites and road surveying. Ideal compatible withimproving operational convenience and efficiency in various surveying and mapping applications. This GPS extension pole is designed specifically compatible withprofessional surveying and mapping applications. It provides accurate height extension compatible withRTK equipment, GNSS receivers, and total stations, helping ensure stable signal reception and measurement precision in the field. This extension rod allows you to flexibly increase the working height of your GPS antenna or RTK rover. Choose the right size according to different terrain conditions and project requirements to improve operational convenience and efficiency. Crafted from high‑strength aluminum alloy, the pole features excellent resistance to bending, deformation, and corrosion. It is suitable compatible withlong‑term outdoor use in demanding environments such as construction sites, road surveying, land mapping, and agricultural positioning operations. Color: Yellow Material: Metal Package Contents: 1*prism extension pole Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.