"umb." YourDictionary, n.d. Web. 18 October 2018. <http://www.yourdictionary.com/UMB>.
umb. (n.d.). Retrieved October 18th, 2018, from http://www.yourdictionary.com/UMB
umb - Computer Definition
(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).