{"product_id":"tuoying-hd-av-to-rf-modulator-hdtv-catv-signal-converter","title":"Tuoying HD AV to RF Modulator – HDTV CATV Signal Converter","description":"\n\u003ch2\u003eTuoying HD AV to RF Modulator – HDTV, AV \u0026amp; CATV Signal Conversion\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTuoying HD AV to RF Modulator\u003c\/strong\u003e is a professional-grade signal conversion device designed for hotels, cable TV distribution systems, and broadcast facilities. It converts HDMI\/AV input signals into a standard RF output, making it easy to distribute high-definition content across existing coaxial cable networks — no rewiring required.\u003c\/p\u003e\n\u003cp\u003eWhether you're managing a hotel entertainment system, a CATV headend, or a multi-room AV setup, this modulator delivers stable, high-accuracy signal transmission with an intuitive LED channel display and wide compatibility with international broadcast standards.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMCU-Controlled PLL:\u003c\/strong\u003e Delivers high accuracy and stability for both video carrier and audio subcarrier frequencies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable Audio Subcarrier:\u003c\/strong\u003e Choose between 5.5 MHz, 6.0 MHz, or 6.5 MHz to suit your regional broadcast standard.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Input Source:\u003c\/strong\u003e Accepts both AV (composite) and HD signals — switch between sources as needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRF Loop Input:\u003c\/strong\u003e Pass-through RF input allows daisy-chaining with other equipment in your cable distribution system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto Memory at Power Outage:\u003c\/strong\u003e Settings are automatically stored when power is interrupted, so there's no need to reconfigure after a restart.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Channel Display:\u003c\/strong\u003e Clear front-panel LED readout for easy channel identification; supports both CATV and standard TV channel selection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble Sideband Modulation:\u003c\/strong\u003e Enables non-adjacent channel usage for flexible frequency planning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Output Level:\u003c\/strong\u003e Fine-tune RF output level to match your distribution network's requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Frequency Range:\u003c\/strong\u003e Output covers 47–870 MHz, compatible with most CATV and terrestrial TV infrastructure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets European safety and electromagnetic compatibility standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eOutput Frequency Range\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e47–870 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eOutput Level\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e90 dBµV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eA\/V Ratio\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e-15 ± 2 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eVisual Carrier Frequency Accuracy\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e± 5 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eOutput Return Loss\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e14 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eSpurious Rejection\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e50 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e75 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eVideo S\/N Ratio\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e55 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eVideo Freq. Response\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e+2.5 dB (50 Hz to 4.2 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eVideo Input Level\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e0.8 Vp-p for 80% + 10% modulation\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eVideo Input Impedance\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e75 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eAudio Subcarrier\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e5.5 \/ 6.0 \/ 6.5 MHz (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eAudio Freq. Deviation\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e± 50 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eAudio Input Impedance\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e600 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eHD Input Resolution\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e480i, 480p, 576i, 576p, 720p, 1080i, 1080p\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003ePower Input\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e100–240 V AC, 50–60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e-20°C to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHotel and hospitality TV distribution systems\u003c\/li\u003e\n  \u003cli\u003eCATV headend signal encoding and re-modulation\u003c\/li\u003e\n  \u003cli\u003eMulti-room home or office AV distribution over coax\u003c\/li\u003e\n  \u003cli\u003eConnecting modern HD sources to legacy coaxial cable networks\u003c\/li\u003e\n  \u003cli\u003eCommunity antenna television (CATV) and cable headend facilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-8m-displayport-to-hdmi-cable-4k-dp-adapter-pc-hdtv-projector\"\u003e1.8M DisplayPort to HDMI Cable 4K – DP Adapter for PC \u0026amp; TV\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/usb-c-to-hdmi-cable-1-8m-4k-macbook-laptop-phone\"\u003e1.8M USB-C to HDMI Cable 4K – MacBook, Laptop \u0026amp; Phone\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on broadcast signal standards and cable TV technical requirements, refer to the FCC Consumer Guide on Cable Television or explore signal distribution best practices at \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"nofollow\"\u003eNIST.gov\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is an HD AV to RF modulator and what does it do?\u003c\/h4\u003e\n\u003cp\u003eA: An HD AV to RF modulator converts HDMI or composite AV video\/audio signals into a standard RF (radio frequency) signal that can be distributed over a coaxial cable network. This allows a modern HD source — such as a set-top box, media player, or camera — to be broadcast to multiple TVs over existing coaxial infrastructure, as used in hotels, hospitals, and cable TV headends.\u003c\/p\u003e\n\u003ch4\u003eQ: Which HD resolutions does this Tuoying modulator support?\u003c\/h4\u003e\n\u003cp\u003eA: This modulator supports a wide range of HD input resolutions including 480i, 480p, 576i, 576p, 720p, 1080i, and 1080p, ensuring compatibility with most modern HD sources.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this modulator in my country's broadcast standard?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The selectable audio subcarrier frequencies (5.5 MHz, 6.0 MHz, 6.5 MHz) make this unit compatible with multiple international broadcast standards. The wide AC input range (100–240 V, 50–60 Hz) also ensures global power compatibility.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this unit retain settings after a power outage?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The modulator features automatic settings memory, so all configured channel and signal settings are preserved even after an unexpected power interruption — no manual reconfiguration needed when power is restored.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is an HD AV to RF modulator and what does it do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An HD AV to RF modulator converts HDMI or composite AV video\/audio signals into a standard RF (radio frequency) signal that can be distributed over a coaxial cable network. 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The modulator features automatic settings memory, so all configured channel and signal settings are preserved even after an unexpected power interruption — no manual reconfiguration needed when power is restored.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/oasis-select.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Tuoying HD AV to RF Modulator – HDTV CATV Signal Converter\", \"item\": \"https:\/\/oasis-select.com\/products\/tuoying-hd-av-to-rf-modulator-hdtv-catv-signal-converter\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"Red","offer_id":47727437643881,"sku":"14:10","price":100.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sa484c095fdae4a70b465feff8ced6d1ab.webp?v=1782661457","url":"https:\/\/oasis-select.com\/products\/tuoying-hd-av-to-rf-modulator-hdtv-catv-signal-converter","provider":"Oasis Select","version":"1.0","type":"link"}