u-blox has launched a new GPS module that it says packs high sensitivity, exceptionally low power consumption and a USB port into a miniature 12,2 x 16 mm package. The NEO-4S module's high -156 dBm SuperSense tracking sensitivity extends positioning coverage to deep indoor locations and enables solutions that use smaller or covert antennas, says the company. The absence of a costly Flash EPROM and use of the ATR0635 chip that powers the module (developed jointly by u-blox and Atmel) helped to keep the module's footprint small and cost down. According to the company, its low power needs and built-in power saving modes ensures power usage is kept at a bare minimum, making the NEO-4S ideal for battery-operated handheld applications with strict space, power and cost requirements. The module's SPI enables an external serial EEPROM to store unlimited start-up configuration settings, an alternative to the traditional boot-time configuration pins. SMT pads in the module allow for fully automatic assembly processes.
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