Mô tả sản phẩm: Lutron GSM-889
GSM CONTROLLER, 900/1800 MHZ
Model : GSM-889
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Control/Alarm/Monitor via GSM mobile phone, with no distance limitation.
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8 channels RS232 input, 8 relay outputs, 8 switch inputs.
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8 channels RS232 input can cooperate full line LUTRON instruments (build RS232 output), it will display the real value with the measuring unit on mobile phone.
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Analog channel Hi/Lo alarm warning setting.
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Interface cable ( meter to GM-889 ), Model : GMCB-89.
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Application : Intelligent , innovation, wide range,no limitation.
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3 band (850/1800/1900 MHz) for American market