·  Multi-user Intercom (10-way intercom).
·  Dual-way intercom, use-pattern; there are 4-way, 6-way, 8-way, 10-way for choice.
·  Apply for many places to dual-way link. Any one phone can call the other phone and do the dual-way talking.
·  Confidential conlversation, when the phone is on the conversation, the other phone is busy line.
·  Conversation distance: RVV4x0.75mm=200M, RVV4x1.0mm=300M.
·  Intercom voice clarity, no noise.
·  Equipped with power transformer, 4 cable connection with separate phone, the user can insall it yourself.

Scope：

Office,Government institution,Restaurants,Facility management,School,Entertainment place,Family,Factory workshop,Nursing homes Etc.