UMTS B4 (1700/2100 MHz AWS 1)
The UMTS B4 (1700/2100 MHz AWS 1) frequency band is used for Universal Mobile Telecommunications System (UMTS) networks. This band is part of the Advanced Wireless Services (AWS) spectrum, which includes both the 1700 MHz and 2100 MHz frequencies. The band is commonly used in the United States and is known for its ability to provide a good balance between capacity, density, and penetration/range. It is also utilized in LTE networks, where it is referred to as Band 4, and is often deployed as part of multi-band networks to enhance coverage and performance.
