CellGuide, is a fabless GNSS semiconductor company, designs and manufactures ultra-low power embedded host-based global positioning system (GPS) solutions for mobile devices, wireless, consumer products, and automotive markets. It offers ACLYS, an integrated ultra-miniature single-die GPS solution that enables device manufacturers to add GPS to a range of products; and RAMON, a small GPS module for mass-market devices. The companys products are used in various devices, including PNDs, PMPs, mobile phones, netbooks, tablets, MIDs, and digital cameras.

As of July 1 2013, the CellGuide solutions are marketed out of Lucidlogix, a leader in power saving software for the graphics and digital media spaces.