Definition of FRANK. transitive verb. 1. a: to mark (a piece of mail) with an official signature or sign indicating the right of the sender to free mailing b: to mail free c: to affix to (mail) a stamp or a marking indicating the payment of postage.efinition of FRANK. transitive verb. 1. a: to mark (a piece of mail) with an official signature or sign indicating the right of the sender to free mailing b: to mail free c: to affix to (mail) a stamp or a marking indicating the payment of postage.
GSM is a cellular network, which means that cell phones connect to it by searching for cells in the immediate vicinity. There are five different cell sizes in a GSM networkâ macro, micro, pico, femto, and umbrella cells.
GSM operates in the 900 MHz band (890 MHz - 960 MHz) in Europe and Asia and in the 1900 MHz (sometimes referred to as 1.9 GHz) band in the United States. It is used in digital cellular and PCS-based systems.