The LEA-4A, at only 17 x 22 mm in size, is u-blox' new low-cost GPS module, featuring the company's recently-released 16-channel Antaris 4 receiver technology developed jointly by Atmel and u-blox. The LEA-4A module provides high performance using 40% less power than its predecessor (the LEA-LA) and includes a USB port for flexible connectivity, high data rates and combined power and data transmission over one link.
According to the company, the LEA-4A keeps power usage at exceptionally low levels thanks to the absence of a Flash EPROM, which also keeps the price tag down. Moreover, its small size makes these modules perfectly suited for compact, battery-operated, mass market consumer products such as PDAs, smartphones, GPS mice and other portable devices where size, power consumption levels and cost are of critical importance.
Inside the module, says u-blox, the Antaris 4 GPS engine provides outstanding navigation performance in challenging conditions, a 4 Hz position update rate, DGPS and full SBAS (WAAS and EGNOS) support, as well as supporting active and passive antennas and offering antenna supervision that detects short circuits. All Antaris 4 GPS receivers are also endowed with Assisted GPS (A-GPS) functionality. This provides instant positioning upon request, reducing Time To First Fix to four seconds.
Uses include car navigation, asset tracking and safety devices, as well as enabling access to immediate location information in difficult signal environments.
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