DMR Tier II (Digital Mobile Radio Tier II) is a digital radio communication standard that provides two-way communication between users. It is designed for professional use and is commonly used in industries such as healthcare, transportation, and public safety. DMR Tier II offers improved voice quality, longer battery life, and better coverage compared to traditional analog radios. It also allows for advanced features such as text messaging and GPS tracking. DMR Tier II is a popular choice for organizations that require reliable and secure communication between their employees.