Cell phone which uses Broadcom BCM47755 dual-frequency (L1, L5) GPS chip, with 3 0 centimeter accuracy. [1]https://www.gsa.europa.eu/newsroom/news/world-s-first-dual-frequency-gnss-sma rtphone-hits-market References 1. https://www.gsa.europa.eu/newsroom/news/world-s-first-dual-frequency-gnss-smartphone-hits-market