Terraneo/Bticino 334202 Sprint Audio Handset 5 wire - John Cribb & Sons Ltd, UK Electrical Distributors, Dorset, Hampshire, Wiltshire, Somerset & the Isle of Wight.
Nuki Opener with Bticino 344202 - Questions - Nuki Developers
Door entry wiring - replacing Bticino 334202 with Entryphone 201 | DIYnot Forums