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Used together with a call transmitter (call button), the hand pager (signal receiver) RW4 has been developed to receive instant messaging and to improve overall communication processes.
The wrist watch receiver RW4 is wireless and works via radio frequency. It has an integrated rechargeable battery, so it only needs to be plugged in to be charged. The device has a very functional design, it is lightweight, the buttons are non-slip and the screen is bright and visible even in brightly rooms.
