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T-6716/ T-6717/ T-6718/ T-6719 Single Key Intercom Panel
Features: * Double 86-size backbox design, compatible with electrical standard, easy to install. * There are two options: single call key (emergency) and double call keys (emergency + business consulting). It can be installed in wall or on wall ( with backbox ). * One key start a call for target terminal, full-duplex communication, achieve…
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