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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 a call receiver, the call button (signal transmitter) APE520C-HS has been developed to send instant messaging and to improve communication processes.
The call button APE520C-HS is wireless and works via radio frequency. With the adhesive pad on its back, it can be attached.
The additional button facilitates calling in situations where direct access to the main button is not possible.