The MAX2209A is an efficient and fast RF power detector: Fast RF step-response allows faster tracking of the output envelope, ensuring more efficient and more accurate PA control Shutdown feature allows lower overall current consumption Small size saves board space You can check out the complete datasheet. Thanks rsdio!
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The nRF24LE1 is a single chip radio that can be used with a microcontroller for low power wireless stuff. It has lots of extras like an ultra low power analog comparator for voltage level system wake-up. Nordic Semiconductor provides an RF protocol stack and applications for microcontrollers. Via MDFLY.
Cellular mobile devices and Google Maps can be used to provide fast and accurate localization without GPS. Using a database of cell coordinates, the location of an object can be precisely determined. The cell names, coordinates, and the maximum distance allowed between the cell and the phone before it switches towers must be known first […]