{"product_id":"tuoying-ws-6990-dvb-t-modulator-hdmi-h264-rf-encoder","title":"Tuoying WS-6990 DVB-T Modulator – HDMI H.264 RF Encoder","description":"\n\u003ch2\u003eTuoying WS-6990 DVB-T Modulator – HDMI to RF H.264 Signal Encoder\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTuoying WS-6990 DVB-T Modulator\u003c\/strong\u003e is a professional-grade HDMI-to-RF signal encoder and modulator designed for terrestrial digital television distribution. Whether you're setting up a hotel digital signage network, distributing video across a retail space, managing a home entertainment system, or deploying a surveillance monitoring setup, the WS-6990 delivers reliable MPEG-4 AVC\/H.264 encoding with multi-standard modulation output — all in a compact, CE-certified unit.\u003c\/p\u003e\n\n\u003cp\u003eWith support for \u003cstrong\u003eDVB-T, ISDB-T, DTMB, J.83A, J.83B, and 8VSB\u003c\/strong\u003e modulation standards, this modulator covers a wide range of global broadcasting formats. It accepts an HDMI 1.4a input and converts audio\/video signals into a broadcast-quality DVB-T RF output across a 50–1000 MHz frequency range.\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\u003eMPEG-4 AVC \/ H.264 Encoding\u003c\/strong\u003e with MPEG2 video encode format and adjustable bit rate from 1–19.5 Mbps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHDMI 1.4a Input\u003c\/strong\u003e — supports resolutions up to 1920×1080 @ 60P\/50P, 1080i, and 720p\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Standard Modulation\u003c\/strong\u003e: DVB-T (COFDM), ISDB-T (ARIB STD-B31), DTMB (GB20600-2006), J.83A (Annex A), J.83B (Annex B), and 8VSB (ATSC A\/53)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide RF Frequency Range\u003c\/strong\u003e: 50–1000 MHz with 1 kHz minimum tuning steps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDVB-T Bandwidth Options\u003c\/strong\u003e: 6 \/ 7 \/ 8 MHz with 4QAM, 16QAM, and 64QAM constellation modes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio Encoding\u003c\/strong\u003e: MPEG1 Layer II and AC3 at 384 kbps; sample rates of 48 kHz, 44.1 kHz, and 32 kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePSIP Support\u003c\/strong\u003e: Programmable program name, PMT PID, Video PID, and Audio PID\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutband Suppression\u003c\/strong\u003e: ≥60 dB for clean, interference-free RF output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e: 75 Ohm (standard RF coax compatible)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC 12V Power Supply\u003c\/strong\u003e with max 680 mA current draw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified\u003c\/strong\u003e — compliant with European safety and electromagnetic standards\u003c\/li\u003e\n  \u003cli\u003eOperating temperature: -10°C to 45°C; storage: -40°C to 70°C\u003c\/li\u003e\n  \u003cli\u003eWeight: 1 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHotel and hospitality digital signage networks\u003c\/li\u003e\n  \u003cli\u003eRetail store in-store video distribution\u003c\/li\u003e\n  \u003cli\u003eHome entertainment and media room setups\u003c\/li\u003e\n  \u003cli\u003eSurveillance and monitoring video distribution over coax infrastructure\u003c\/li\u003e\n  \u003cli\u003eProfessional broadcast and IPTV headend systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications Summary\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 Input\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\u003eMPEG2 (H.264\/AVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSupported Resolutions\u003c\/td\u003e\n\u003ctd\u003e1920×1080 60P\/50P\/60i\/50i; 1280×720 60P\/50P\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 Bit Rate\u003c\/td\u003e\n\u003ctd\u003e384 kbps\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\u003eModulation Standards\u003c\/td\u003e\n\u003ctd\u003eDVB-T, ISDB-T, DTMB, J.83A, J.83B, 8VSB\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\u003eDVB-T Constellation\u003c\/td\u003e\n\u003ctd\u003e4QAM, 16QAM, 64QAM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDVB-T Code Rate\u003c\/td\u003e\n\u003ctd\u003e1\/2, 2\/3, 3\/4, 5\/6, 7\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDVB-T Guard Interval\u003c\/td\u003e\n\u003ctd\u003e1\/32, 1\/16, 1\/8, 1\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDVB-T Transmission Mode\u003c\/td\u003e\n\u003ctd\u003e2K, 4K, 8K\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 steps)\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\u003eOutband Suppression\u003c\/td\u003e\n\u003ctd\u003e≥60 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMER (J.83A\/J.83B)\u003c\/td\u003e\n\u003ctd\u003e≥36 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMER (8VSB \/ DTMB)\u003c\/td\u003e\n\u003ctd\u003e≥32 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eDC 12V, max 680 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C to +45°C, 40%–70% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +70°C, 40%–95% RH\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\u003eRelated Products You May Find Useful\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\u003eExternal Reference\u003c\/h3\u003e\n\u003cp\u003eFor more information on digital television broadcasting standards and signal transmission guidelines, refer to the \u003ca href=\"https:\/\/www.nist.gov\/communications-technology-laboratory\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST Communications Technology Laboratory\u003c\/a\u003e, a leading authority on digital signal measurement and standards.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What modulation standards does the Tuoying WS-6990 DVB-T Modulator support?\u003c\/h4\u003e\n\u003cp\u003eA: The WS-6990 supports multiple global digital TV modulation standards including DVB-T (COFDM), ISDB-T (ARIB STD-B31), DTMB (GB20600-2006), J.83A (Annex A), J.83B (Annex B), and 8VSB (ATSC A\/53), making it compatible with broadcasting systems across Europe, Asia, the Americas, and beyond.\u003c\/p\u003e\n\u003ch4\u003eQ: What input does the WS-6990 DVB-T modulator accept?\u003c\/h4\u003e\n\u003cp\u003eA: The modulator accepts an HDMI 1.4a input and supports video resolutions up to 1920×1080 at 60P\/50P (progressive) and 60i\/50i (interlaced), as well as 1280×720 at 60P\/50P. It encodes the signal using H.264\/MPEG-4 AVC and outputs it as a DVB-T RF signal over coaxial cable.\u003c\/p\u003e\n\u003ch4\u003eQ: What are the typical use cases for this DVB-T modulator?\u003c\/h4\u003e\n\u003cp\u003eA: The WS-6990 is well suited for hotel and hospitality digital signage networks, retail in-store video distribution systems, home entertainment media setups, surveillance video distribution over existing coax infrastructure, and professional broadcast or IPTV headend installations.\u003c\/p\u003e\n\u003ch4\u003eQ: What power supply does the WS-6990 require?\u003c\/h4\u003e\n\u003cp\u003eA: The device operates on a DC 12V power supply with a maximum current draw of 680 mA. Ensure your power adapter meets or exceeds this specification for stable operation.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the WS-6990 DVB-T modulator certified for safety compliance?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the Tuoying WS-6990 carries CE certification, confirming it meets European Union requirements for safety, electromagnetic compatibility (EMC), and related directives.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What modulation standards does the Tuoying WS-6990 DVB-T Modulator support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The WS-6990 supports multiple global digital TV modulation standards including DVB-T (COFDM), ISDB-T (ARIB STD-B31), DTMB (GB20600-2006), J.83A (Annex A), J.83B (Annex B), and 8VSB (ATSC A\/53), making it compatible with broadcasting systems across Europe, Asia, the Americas, and beyond.\"}}, {\"@type\": \"Question\", \"name\": \"What input does the WS-6990 DVB-T modulator accept?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The modulator accepts an HDMI 1.4a input and supports video resolutions up to 1920×1080 at 60P\/50P (progressive) and 60i\/50i (interlaced), as well as 1280×720 at 60P\/50P. 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