The 64-00078 is a surface mount replacement bracket for the 3226V Vandal-Proof Trunk Port (FXO) Doorphone / 3228V Vandal-Proof Station Port (FXS) Doorphone / 8028 IP Doorphone (Controller + Intercom). The outside dimensions of the bracket at its base is 4.96″ x 4.96″ with a depth of 1.4″ (12.6cm x 12.6cm x 3.55cm).

Note: Image illustrates the bracket fitted to an Algo Door Station. The doorphone kit is supplied the surface mount bracket, however, the bracket is available as replacement part no. 64-00078.