Yealink W59R, certified to rigorous IP67 standards, is a professional ruggedized DECT handset with integrated Bluetooth and vibration alarm that is pretty eligible for environments where that may be dusty, humid, and harsh. Not only combines the advantages of wireless communication and the rich features of Voice-over-IP phone but also fully compatible with Yealink W80 Multi-Cell System/ Single-Cell W60B for seamless roaming and handover of calls, this handset provides users with the convenience and good experience of mobile communication in and between each zone and keeps stable in complicated and harsh locations. As a rugged and durable handset, W59R has also been developed with Yealink optimal HD audio quality that combines multiple leading technologies, including FNR (Flexible Noise Reduction), and a full duplex. This means users can get a stable and high-quality audio experience even if the location is full of noise or wireless interference. Besides, the complete alarm functions and integrated G-Sensor boost the occupational safety of the person who works in hazardous locations.