Nippotec NP-804
2.4 GHz wireless digital communication technology promises clear voice
Wireless two-way intercommunication
Easy installation and operation
Any indoor unit can call the other three interphones and talk with each other
Duplex intercommunication, easy for operation
Four-way intercommunication: each inte hone could communicate
with three other interphones
Confidential intercommunication: when two interphones are talking,
the indicating sound for busy line could be heard from the other interphones
Wireless digital transmission of intercommunication signal
Anti Interference and Clear Communication
Enclosed manual for DIY
Working distance up to 500m in open area.
distance may vary indoors que to walls and floors
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