FET-> field effect transistor Enh-> enhancement (mode-FETs) EIR-> equipment identity register EEPROM-> electrical erasable programming read only memory DCS-> digital controlled signal DTr-> digital transistor DG-> dual gate DTMF-> dual tone multi-frequency (signal) DCN-> data communication networks DSP-> digital signal processor COBBA-> common base band analog CI-> call identity CPU-> central processing unit CCV-> call control function CCS-> common channel signalling CCF-> call control function COG-> chip on glass CDMP-> complement C-> cathode BGA-> bousal greedy array BID,BI-> bidirectional B-> base AF-> audio frequency A-> anode Atten-> attenuator AMP-> amplifier JAF-> just another flasher MIN-> mobile identification number RVIM-> radio vision implementation module UFS-> universal flasher software AF-> audio frequency AGE-> automatic gain control