Merlin 820

AT&T Merlin Classic 820 Key System Unit
Allows up to 8 incoming lines and 20 telephone stations
Compatible with all Merlin phones
Features can be added on with a Feature Package 1, Feature Package 2, and/or Music on Hold cartridge
Has 4 removable 2X5 modules that can be replaced if you experience static or not working ports on the system
Comes with cover and power cord
Refurbished