{"product_id":"valcom-v-2904-4-door-audio-intercom-system-handsfree-talkback-communication-and-door-lock-activation","title":"Valcom V-2904 4 Door Audio Intercom System - Handsfree Talkback Communication \u0026 Door Lock Activation","description":"\u003ch1\u003eValcom V-2904 4 Door Audio Intercom System - Handsfree Talkback Communication \u0026amp; Door Lock Activation\u003c\/h1\u003e\u003cp\u003eThe Valcom V-2904 audio intercom system is a versatile and reliable solution for handsfree communication and door lock activation in various settings. With its advanced features and easy installation, it provides an efficient way to manage access and improve communication between entryways and a telephone.\u003c\/p\u003e\u003ch2\u003eProduct Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHandsfree Talkback Communication Between Up To 4 Entryways And A Telephone.\u003c\/li\u003e\n\u003cli\u003eTransmit And Receive Volume Controls.\u003c\/li\u003e\n\u003cli\u003eBuilt-In 90 V 30 Hertz Ring Generator With On\/Off Switch.\u003c\/li\u003e\n\u003cli\u003eIntegral Battery Backup Input.\u003c\/li\u003e\n\u003cli\u003eDistinctive Ringing Option.\u003c\/li\u003e\n\u003cli\u003eProgrammable Number Of Ring Cycles.\u003c\/li\u003e\n\u003cli\u003eRinging Automatically Discontinues After Programmed Number Of Cycles Or Upon Answer.\u003c\/li\u003e\n\u003cli\u003eCompatible With All Valcom Doorbox Speakers.\u003c\/li\u003e\n\u003cli\u003eInterfaces With Telephone System Via Loop Start Or Ground Start C.O. Line Position.\u003c\/li\u003e\n\u003cli\u003eMay Be Accessed From A Dedicated Single Line Telephone Set.\u003c\/li\u003e\n\u003cli\u003eSupports Call Buttons At All Speaker Locations.\u003c\/li\u003e\n\u003cli\u003eTone At Door Speaker When Call Button Activated.\u003c\/li\u003e\n\u003cli\u003eStandard 66 Block Used For Connections.\u003c\/li\u003e\n\u003cli\u003eNormally Open And Normally Closed Door Unlock Relay Contacts.\u003c\/li\u003e\n\u003cli\u003eDoor Unlock Relay Available On A Per Door Basis.\u003c\/li\u003e\n\u003cli\u003eProgrammable Door Unlock Codes.\u003c\/li\u003e\n\u003cli\u003eAlarm Functions.\u003c\/li\u003e\n\u003cli\u003eSimultaneous Calls Placed In Queue.\u003c\/li\u003e\n\u003cli\u003eBackground Music Input.\u003c\/li\u003e\n\u003cli\u003eOne Way All Call To All Speakers.\u003c\/li\u003e\n\u003cli\u003eOptional Alert\/Repeated Alert Tone.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDimensions (WxDxH): 279.4 x 58.4 x 218.4\u003c\/li\u003e\n\u003cli\u003eCamera included: No\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eLearn More:\u003c\/h2\u003e\u003cp\u003eFor more information about the Valcom V-2904 audio intercom system, please visit the \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Intercom\" onclick=\"window.open(this.href, 'popup', 'height=600,width=800'); return false;\"\u003eIntercom\u003c\/a\u003e page on Wikipedia.\u003c\/p\u003e\u003cp\u003eFor detailed specifications and technical information, refer to the \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Valcom\" onclick=\"window.open(this.href, 'popup', 'height=600,width=800'); return false;\"\u003eValcom\u003c\/a\u003e page on Wikipedia.\u003c\/p\u003e","brand":"Valcom","offers":[{"title":"Default Title","offer_id":48083312083243,"sku":"0799111001401","price":687.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/1428\/3307\/files\/ICE-0799111001401_0799111001401_image1.jpg?v=1758754716","url":"https:\/\/www.ceshowroom.com\/products\/valcom-v-2904-4-door-audio-intercom-system-handsfree-talkback-communication-and-door-lock-activation","provider":"CE Showroom","version":"1.0","type":"link"}