The Videx 4000 Series 4K1S/GSM “entry-level” surface mounted audio kit is a totally self contained GSM door entry system kit. There are also auxiliary input and outputs. The 4K1S/GSM/CL kit includes...
BB3 is a flush-mounting kit designed to provide an unobtrusive and aesthetically appealing installation of the V42 (formerly K42), K44Duo, M43, PP500-EM and PP500-Cotag.