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.
1 GSM-850 uses 824 â 849 MHz to send information from the mobile station to the base station (uplink) and 869 â 894 MHz for the other direction (downlink). 2  Channel numbers are 128 to 251.