Features: brand new high quality Made of high quality material, Full-band high-precision external antenna. Uses: External full-band GNSS surveying and mapping antenna, supports Beidou, GPS, GLONASS satellite navigation signal reception, meets current multi- compatibility and high-precision measurement requirements, and can be widely used in geodesy, oceanography and other fields of surveying and mapping, precision agriculture, deformation Monitoring and other high-precision navigation and positioning occasions. The antenna adopts a single-layer multi-feed point ultra-wideband design, which minimizes the phase center elevation angle difference in the entire working frequency band 2. The gainRead More