The DMM4 portable antenna is an innovative antenna design that provides a 4×4 MiMo function for 4G/5G with a fallback to 3G/2G. The DMM4 antenna is a future-proof solution for Cat 18/20 4G and 5G devices. Incorporating four separately fed, ultra-wideband elements for 617-960/1710- 6000MHz in a single housing, the DMM4 provides a 4×4 MiMo function. It can also provide a 2x 2×2 MiMo function for a router with dual modems, each requiring a 2×2 antenna system. The DMM4 is highly portable and features desk mount feet that fold out for use, and flat for transport. A suction window mount enables the user to optimize their signal in multiple locations, with instant installation and easy removal. For more permanent use, screw and adhesive pad mounting options are also provided. The antenna is supplied with two twinned 2m (6’) length coaxial cables, with the option of SMA, TS9, or FAKRA D connectors. The DMM4 is a cost-effective value-added product for network operators and service providers ensuring a stable link with improved data rates for subscribers, thereby improving satisfaction and retention.