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Sickroom wireless call emitting and receiving display circui

2016-11-16 20:17  
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Data of the related components that will be used in this article: VD5206 VD5027 M303S CD4069 CD4514 7806 LM386 HFC9301 This circuit uses the wireless transmission mode, and it uses the stable performance radio transceiver module M303S/M303R and the digital coding decoder VD5026/VD5027, it displays the bed number or the room number of the call beds, it is easy to install. The RF transmission power of this circuit is small, so it will not influence the normal working of the medical equipments. The ward wireless call system is composed of the radio call launcher and the radio receiving display which is installed in the duty room. The radio call launcher's circuit principle is as shown: