The Mitel Cordless Accessories Module (NA) Dect 50005521 is a wireless handset cord designed for use with specific Mitel phone models. This unit, made in the United States, features a single phone line and a sleek black color. With a wireless capability and Ethernet interface, this accessory provides a convenient and versatile option for expanding phone functionality in a business or office setting. The unit quantity available is 46, ensuring that businesses have the flexibility to grow their phone system as needed.