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Used together with a call receiver, the call button (signal transmitter) APE320 has been developed to send instant messaging and to improve communication processes.
The wireless call button APE320 works via radio frequency and is waterproof, therefore it is also suitable for outdoor use. With the adhesive pad on its back, it can be attached.
The call receiver SC-R16 shows the reception of the signal (sent by a paired transmitter) with an audible and visual signal.