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.
Cell phone carriers T-Mobile and AT&T use GSM for their cell phone networks. Sprint, Virgin Mobile and Verizon Wireless use the competing CDMA standard.