{"product_id":"tuoying-ws-6990-dvb-t-modulator-hdmi-rf-h264-mpeg4","title":"Tuoying WS-6990 DVB-T Modulator HDMI to RF – H.264 MPEG-4","description":"\u003ch2\u003eTuoying WS-6990 DVB-T Modulator – HDMI to RF Signal Converter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTuoying WS-6990\u003c\/strong\u003e is a professional-grade DVB-T modulator that seamlessly converts HDMI audio and video signals into a DVB-T RF output. Engineered with integrated \u003cstrong\u003eMPEG-4 AVC\/H.264 encoding and modulation\u003c\/strong\u003e, this compact unit is the ideal solution for home entertainment systems, hotel digital signage, retail shops, surveillance control rooms, and any environment requiring reliable terrestrial digital TV distribution over existing coaxial cable infrastructure.\u003c\/p\u003e\n\n\u003cp\u003eWith support for multiple modulation standards — including \u003cstrong\u003eDVB-T (COFDM), ISDB-T, DTMB, J.83A, J.83B, and 8VSB\u003c\/strong\u003e — the WS-6990 offers outstanding flexibility for broadcasters and system integrators worldwide. Its wide RF frequency range (50–1000 MHz), selectable bandwidth (6\/7\/8 MHz), and programmable PSIP parameters make it easy to integrate into virtually any distribution network.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHDMI 1.4a Input:\u003c\/strong\u003e Accepts high-definition signals up to 1920×1080p60 \/ 1920×1080i \/ 1280×720p\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPEG-2 Video Encoding\u003c\/strong\u003e with bit rates from 1–19.5 Mbps for crisp, efficient compression\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio Encoding:\u003c\/strong\u003e MPEG1 Layer II and AC3 with sample rates of 32\/44.1\/48 kHz and up to 384 kbps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Standard Modulation:\u003c\/strong\u003e DVB-T COFDM, ISDB-T, DTMB, J.83A (Annex A), J.83B (Annex B), and 8VSB (ATSC A\/53)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDVB-T Constellation:\u003c\/strong\u003e 4QAM, 16QAM, 64QAM | Code rates: 1\/2, 2\/3, 3\/4, 5\/6, 7\/8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGuard Interval:\u003c\/strong\u003e 1\/32, 1\/16, 1\/8, 1\/4 | Transmission modes: 2K, 4K, 8K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide RF Frequency Range:\u003c\/strong\u003e 50–1000 MHz with 1 kHz minimum step precision\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Impedance:\u003c\/strong\u003e 75 Ohm standard coaxial interface\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutband Suppression:\u003c\/strong\u003e ≥60 dB for clean, interference-free signal distribution\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProgrammable PSIP:\u003c\/strong\u003e Customizable program name, PMT PID, Video PID, and Audio PID\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e DC 12V, max current 680 mA — low power consumption\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified\u003c\/strong\u003e | Weight: 1 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to 45°C | Humidity: 40%–70%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to 70°C | Humidity: 40%–95%\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications at a Glance\u003c\/h3\u003e\n\u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"6\" style=\"border-collapse:collapse;width:100%;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHDMI Version\u003c\/td\u003e\n\u003ctd\u003eHDMI 1.4a\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVideo Encode Format\u003c\/td\u003e\n\u003ctd\u003eMPEG-2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSupported Resolutions\u003c\/td\u003e\n\u003ctd\u003e1920×1080p60\/50, 1920×1080i60\/50, 1280×720p60\/50\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVideo Bit Rate\u003c\/td\u003e\n\u003ctd\u003e1–19.5 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAudio Encode Format\u003c\/td\u003e\n\u003ctd\u003eMPEG1 Layer II, AC3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAudio Sample Rate\u003c\/td\u003e\n\u003ctd\u003e48 kHz \/ 44.1 kHz \/ 32 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAudio Bit Rate\u003c\/td\u003e\n\u003ctd\u003e384 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eModulation Standards\u003c\/td\u003e\n\u003ctd\u003eDVB-T COFDM, ISDB-T, DTMB, J.83A, J.83B, 8VSB (ATSC)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDVB-T Bandwidth\u003c\/td\u003e\n\u003ctd\u003e6 \/ 7 \/ 8 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRF Frequency Range\u003c\/td\u003e\n\u003ctd\u003e50–1000 MHz (1 kHz min. step)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003e75 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eJ.83A \/ J.83B MER\u003c\/td\u003e\n\u003ctd\u003e≥36 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e8VSB MER\u003c\/td\u003e\n\u003ctd\u003e≥32 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSymbol Rate (J.83A\/B)\u003c\/td\u003e\n\u003ctd\u003e5–6.9 Msps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eDC 12V \/ 680 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHotel in-room entertainment and digital signage systems\u003c\/li\u003e\n  \u003cli\u003eRetail store and venue display distribution\u003c\/li\u003e\n  \u003cli\u003eCCTV and surveillance monitor distribution over coax\u003c\/li\u003e\n  \u003cli\u003eHome theater and media room signal distribution\u003c\/li\u003e\n  \u003cli\u003eBroadcast headend and small-scale terrestrial TV networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Need\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\u003c\/ul\u003e\n\n\u003ch3\u003eStandards \u0026amp; Resources\u003c\/h3\u003e\n\u003cp\u003eFor more information on digital television broadcasting standards and signal distribution, visit the National Institute of Standards and Technology (NIST) – Digital Television resource page.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Transcoding\" target=\"_blank\" rel=\"noopener\"\u003eTranscoding\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What input does the Tuoying WS-6990 DVB-T modulator accept?\u003c\/h4\u003e\n\u003cp\u003eA: The WS-6990 accepts an HDMI 1.4a input, supporting resolutions up to 1920×1080p at 60 or 50 Hz, as well as 1280×720p. Simply connect any HDMI source — such as a media player, computer, or camera — and the unit converts the signal to a DVB-T RF output for distribution over standard coaxial cable.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which modulation standards does the WS-6990 support?\u003c\/h4\u003e\n\u003cp\u003eA: The WS-6990 is a highly versatile modulator supporting DVB-T (COFDM), ISDB-T, DTMB, J.83A (Annex A), J.83B (Annex B), and 8VSB (ATSC A\/53) — making it compatible with terrestrial digital TV standards used across Europe, Asia, the Americas, and beyond.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this modulator to distribute HDMI content to multiple TVs in a hotel or retail environment?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The WS-6990 is specifically designed for multi-room distribution applications such as hotels, retail shops, and digital signage installations. It converts a single HDMI source into a DVB-T RF signal that can be distributed to multiple TVs via existing coaxial cable infrastructure, with programmable channel and PID settings for easy integration.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power supply does the WS-6990 require?\u003c\/h4\u003e\n\u003cp\u003eA: The modulator runs on DC 12V with a maximum current draw of 680 mA, making it energy-efficient and easy to power in a rack or desktop setup.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the WS-6990 DVB-T modulator CE certified?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the Tuoying WS-6990 carries CE certification, confirming it meets European safety and electromagnetic compatibility standards. It is made in Mainland China by Tuoying, a specialist in professional digital TV signal processing and broadcasting equipment.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What input does the Tuoying WS-6990 DVB-T modulator accept?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The WS-6990 accepts an HDMI 1.4a input, supporting resolutions up to 1920×1080p at 60 or 50 Hz, as well as 1280×720p. 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