Galaxy 3 Panels and Keypads More Details >> If you know the model number, select from the list below.                                           -- Select --     C048-01-C - Galaxy 3-48 Control Panel     C048-01-C-KPD - Galaxy 3-48 Keypad Kit     C048-01-C-PROX - Galaxy 3-48 Keyprox Kit     C144-01 - Galaxy 3-144 Control Panel     C144-01-C - Galaxy 3-144C Control Panel     C520-01 - Galaxy 3-520C Control Panel     C520-01-C - Galaxy 3-520C Control Panel Modules More Details >> If you know the model number, select from the list below.                                           -- Select --     E485-2 - RS485 2 line expander unit     A240-01 - Galaxy 3 Series Line Expansion Upgrade K...     A227 - Galaxy 3 S.P.I. Key - Blank