Pin-Pin replacement of AG604, ECG005, EC1019, SBW5089, SGA5489, SGA6489, SGA6589, GALI-5, GALI-59, HMC478, HMC479, HMC480, HMC481, AGB3302, RF3374, NBB-500. Could be used in base-station, repeater, CATV, radio speaker. SOT-89 package. You could visit www.prewell.com