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.
Check to see if you have a GSM phone. As you recall, SIM cards are specific to GSM phones. Common GSM carriers include AT&T, Straight Talk, TracFone and T-Mobile. 1  A GSM phone is a mobile device that uses a GSM (Global System for Mobile Communications) cellular network. A GSM phone is a mobile device that uses a GSM (Global System for Mobile Communications) cellular network. 2  GSM is one of two types of cellular networks, the other being CDMA (Code Division Multiple Access). 3  The advantage of using a GSM phone is that it operates using as SIM Card.