SkyTraq announced a 12 mm × 16 mm size PX1122R multi-band RTK receiver for centimeter-level accuracy positioning applications. It works with all the four global navigation satellite systems using GPS L1/L2C, Galileo E1/E5b, GLONASS L1/L2, and Beidou B1I/B2I signals concurrently to maximize positioning availability even in difficult urban environments. Based on single-chip SoC design, PX1122R is currently the smallest size, lowest power, multi-band multi-GNSS RTK receiver module on the market.
The PX1122R is designed to deliver reliable, centimeter-level accuracy positioning for precision guidance of emerging autonomous unmanned ground or aerial vehicle, Internet-of-Things precise positioning, and also the traditional land surveying and precision farming applications. The PX1122R has RTK initialization time under 10 seconds and maximum update rate of 10 Hz. Its twice update rate than peer provides in-time positioning information with faster response time and improved guidance performance for fast moving applications.
Moving base RTK for GNSS precise heading is also supported. By using two PX1122R and two antennas with 1 meter separation, highly accurate 1-sigma heading accuracy of 0.13 degree can be obtained; such heading accuracy is immune to magnetic interference nor affected by receiver’s speed.
The PX1122R could serve as a key component to provide precise position and heading information for autonomous applications. PX1122R sample, datasheet, and evaluation boards are available now. The mass production schedule is in May.
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