Commercial business digital radio BF-TD580 specialized in business uses, such as hotel, public security, shopping mall, warehouse, forest. AMBE+2™ vocoder supply superior HD voice quality and make audio free from surroundings interference. Keypad and 2 Programmable Button setting parameter and function without computer connection. Big color LCD display show channel/frequency and others parameter. 20 hours battery standard time can last for whole business day working.