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The call receiver SC-R16 shows the reception of the signal (sent by a paired transmitter) with an audible and visual signal.
Used together with an APE series call receiver, the call button (signal transmitter) APE560-B has been developed to send instant messaging and to improve communication processes. The call button APE560-B is wireless and works via radio frequency. With an adhesive pad or with screws, it can be fixed.