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Used together with a call receiver, the call button (signal transmitter) APE830 has been developed to send instant messaging and to improve communication processes.
The call transmitter APE830 is wireless and works via radio frequency. It has an integrated external antenna, which enables a greater range, and can also be fixed with an adhesive pad or with screws.
As a multifunctional call transmitter, each key displays a function (e.g.: call, emergency, cancel).