Definitions for "MMDS"
Multichannel multipoint distribution service. A broadcasting and communications service that operates in the ultra-high-frequency (UHF) portion of the radio spectrum between 2.1 and 2.7 GHz. MMDS is also known as wireless cable.
Multichannel Multipoint Distribution System (see also).
Multipoint Microware Distribution System. A wireless broadband technology for Internet access.