UMB(redirected from Upfront Mortgage Broker)
Also found in: Financial, Acronyms.
UMB(1) (Ultra Mobile Broadband) A high-speed 3G technology that was planned for next-generation CDMA2000 cellular systems. Based on OFDMA and IP, its major proponent was Qualcomm, which in late 2008 abandoned development in favor of Long Term Evolution (see LTE).
(2) (Upper Memory Block) See UMA.