DVB-T 4 CH Modulator TV for Projector with HDMI Input

WS-7990 modulator is developed to adapt terrestrial digital television. It's mainly applied in home entertainment, surveillance control, hotel Digital Signage, shops etc. And it is integrating MPEG-4 AVC/H.264 encoding and modulating to convert audio/video signals into DVB-T RF out.  High level of integration, high-performance, Full-featured, integrated design 4 route input modulator that converts analogue A/V source to a DVB-T channel Standard COFDM modulation and H.264 encoding Multiple video format compatibility including 576i(PAL) / 480i(NTSC) / 1080p Bandwidth: 6/7/8MHz Frequency range: 50~860MHz Continuously adjustable RF signal output level range 70dBuV from 100dBuV, step 1dBuV 2.4-inch color LCD display Small size and light weight Carriers 2K and 8K User friendly setup and control Compact and wall mountable   TECHNICAL SPECIFICATION Modulator Standard DVB-T Constellation QPSK / 16QAM / 64QAM Bandwidth 6 / 7 / 8 MHz Carriers 2K / 8K Guard Interval 1/4, 1/8, 1/16, 1/32 Code Rate 1/2, 2/3, 3/4, 5/6, 7/8 MER 35 dB Frequency Range 50 ~ 860 MHz Output Level 70 ~ 100 dBuV Output Impedance 75Ω Video Input Format CVBS/HDMI Encoding Format H.264 Video Resolution 576i PAL / 480i NTSC/1080p Connector RCA/HDMI 1.3 Audio Input Format Stereo L/R channel Encoding Format MPEG-1 Audio Layer II Connector RCA General Power Source DC 12V / 1.5A Operating Temperature 0 ~ +50°C Dimensions 280mm(L) × 203mm(W) × 61mm(H) Weight 1.56Kg /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1