Comelit 2 wire Audio Kits
Comelit 2 wire audio entry kits
The single user kit includes: Mini series door-entry phone COM-2712W, one transformer COM-1200, one Extra series stainless steel external door panel unit with 1 call button COM-ET0001. The kit can be expanded with another door-entry phone. The external unit can be surface-mounted or flush-mounted using the relevant accessories supplied with the kit.
The 2 wire cabling architecture makes this kit perfect for upgrading existing single user systems when you are unsure of the condition of existing cables