Mobile phones use dual frequencies now. Some use the Broadcom BCM47755 chip, but the most common ones are various Qualcomm Snapdragon SoCs. https://www.broadco

Mobile phones use dual frequencies now. Some use the Broadcom BCM47755 chip, but the most common ones are various Qualcomm Snapdragon SoCs. https://www.broadcom.com/products/wireless/gnss-gps-socs/bcm47755 https://www.broadcom.com/products/wireless/gnss-gps-socs/bcm... https://www.euspa.europa.eu/newsroom/news/qualcomm-launches-snapdragon-dual-frequency-and-5g https://www.euspa.europa.eu/newsroom/news/qualcomm-launches-... https://www.gpsworld.com/qualcomm-launches-3-dual-frequency-navic-smartphone-modules/ https://www.gpsworld.com/qualcomm-launches-3-dual-frequency-...