Uniden TRU9460, TRU9480, TRU9485 Handset Replacement or Expansion for TCX905 Single Line Unit Only For use with Uniden Single Line models, TRU8885, TRU9460, TRU9465, TRU9480, TRU9485, TRU9488 Base is TCX905 but Handset is not, if you need a handset for a 2 line system purchase the TCX905 model For Single line Phone systems only, not for 2 Line Phone System De-register handsets can be performed with or without the base, see manual for directions Please email seller if you do not see your model listed