The term "850 MHz" refers to a specific frequency in the electromagnetic spectrum, commonly used in telecommunications. This frequency is part of the Ultra High Frequency (UHF) band and is often utilized for mobile phone networks, including GSM and CDMA technologies. It allows for effective communication over long distances and through various obstacles, making it ideal for cellular services. In addition to mobile communications, 850 MHz is also used for other applications, such as two-way radios and some Wi-Fi devices. The frequency's ability to penetrate buildings and provide reliable coverage makes it a popular choice for network operators aiming to enhance connectivity in urban and rural areas.