Due to its higher frequency range and superior speech quality, AMR-WB is optimized for Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications System (UMTS) technologies, otherwise known as 2G and 3G mobile networks, respectively.
N'ihi ogo ya dị elu ma ya mere àgwà okwu ka mma, AMR-WB kachasị mma maka GSM (Global System for Mobile Communications) na UMTS (Universal Mobile Telecommunications System) - ma ọ bụ mara dịka 2G na netwọk netwọk 3G.