What is CDMA handsets?

CDMA handsets are mobile devices that utilize Code Division Multiple Access (CDMA) technology for wireless communication. This technology allows multiple users to share the same frequency spectrum by assigning unique codes to each user's signal, enabling simultaneous transmission without interference. CDMA handsets are commonly used in certain regions and networks, particularly in the United States, where they were popularized by carriers like Verizon and Sprint. Unlike GSM, which uses SIM cards, CDMA devices are often tied to the carrier's network and may require activation through the provider.