This receiver uses ubx high-performance GPS chip, which can receive GPS signals with 72 channels, supports GPSandGLONASSandGalileoandSBASandQZSS or GPSandBeidouandGalileoandSBASandQZSS, accuracy up to 2m ,built-in high-gain antenna, can still accurately locate even in the case of weak GPS signal, USB interface, suitable for Notebook positioning, field navigation, outdoor travel, road measurement, marine navigation, etc.Using high-quality plastic shell, with excellent waterproof performance, suitable for use scenariosProduct main chip: M8030-KTGPSandGLONASSandGalileoBuilt-in LNA signal amplifierBuilt-in 4M FlashHigh sensitivity ceramic antenna1-10Hz positioning update rateColour:WhiteMaterial:plasticPackage Contents:1 x USB Receiver AntennaOnly 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.