{"product_id":"linear-d-4r","title":"Linear D-4R: 4-Channel Receiver","description":"\u003ch1\u003eThe Linear model D-4R 4-Channel Receiver is designed for use in security systems and remote switching functions requiring more than one wireless zone or output.\u003c\/h1\u003e\n\u003cp\u003eUsing one multi-channel receiver instead of several single-channel receivers enables the installer to cut installation costs and improve system performance by eliminating RF interference problems present in multiple-receiver installations.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eThe Linear Model D-4R is compatible with standard digital transmitters only.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe outputs of the D-4R receiver are isolated dry relay contacts. Dry contacts indicate that the switching contacts are isolated from the receiver’s power supply. The receiver provides normally open and normally closed contacts for each channel. The current rating of each relay output is 1 amp at 32 volts maximum.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOperates on 11-24 VDC or 12-16 VAC power\u003c\/li\u003e\n\u003cli\u003eCurrent consumption: 15 mA standby, 60 mA operating\u003c\/li\u003e\n\u003cli\u003eFour independent channels\u003c\/li\u003e\n\u003cli\u003eStandard digital format: 64 discrete codes\u003c\/li\u003e\n\u003cli\u003eFour form “C” relay outputs\u003c\/li\u003e\n\u003cli\u003eOne Amp contact rating @ 32 Volts AC\/DC\u003c\/li\u003e\n\u003cli\u003eRF frequency: 303.875 MHz\u003c\/li\u003e\n\u003cli\u003e9″ W x 4.2″ H x 1.3″ D\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Linear","offers":[{"title":"Default Title","offer_id":48213035483441,"sku":"D-4R","price":1545.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/5314\/3345\/files\/LInear_D-4R_0f9579cb-ab39-4486-9b5c-bb41426a71fe.jpg?v=1720569714","url":"https:\/\/ameratec.com.hk\/products\/linear-d-4r","provider":"Ameratec","version":"1.0","type":"link"}