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<p>The STB for CATV may receive digital receive digital signal from cable network and output A/V signal. It also has CA function.</p> <p><em><strong>DVB-C, set top box feature:</strong></em></p> <ul> <li>The demodulator is compatible with MPEG-2 standard. It can receive DVB-C digital signal, and has video/audio output.</li> <li>Main Features Compatible with DVB-C/MPEG-2 PAL/NTSC compatible English / Chinese language menu 700 programs could be saved stereo, left, right audio channel out.</li> <li>Signal quality indication AV output RF loop output Power off memory EPG .</li> </ul> <p><em><strong>Rear panel</strong></em></p> <ol> <li>AC 100V240V50Hz60Hz : Power Supply Socket: AC 100V~AC240V, 50~60Hz</li> <li>SWITCH: POWER SWITCH</li> <li>RS232: For software update.</li> <li>S-VHS:S-Video</li> <li>R Audio output L : Audio output</li> <li>Video out: Video output</li> <li>RF in: RF input</li> <li>RF out: RF output</li> <li>inCABLE ANT INPUT</li> <li>outCABLE ANT OUTPUT</li> </ol>

DVB-C STB
<p><em><strong>Features</strong></em></p> <ol> <li>Encoder Video compress compliant to ISO/IEC13818-2(MPEG2) and ISO/IEC14496-2(MPEG-4).</li> <li>Up to 4 CVBS video and 8 two-channel audio inputs, Two DVB-ASI outputs.</li> <li>One 10/100/1000Mbps TS over IP Ethernet port with bitrate auto-negotiable.</li> <li>WDE-4420 encoder is compliance to DVB standard broadcast real-time video and audio MPEG-2/MPEG-4 compression equipment with both DVB-ASI and GbE TS over IP outputs.</li> <li>Both local or remote network management and online update.</li> </ol>

Encoder
<p><em><strong>Features:</strong></em></p> <ol> <li>QAM Modulator Up to 2 ASI inputs</li> <li>Two independent DVB-S QPSK, SCPC and MCPC compatible inputs with 950~2150MHz frequency range</li> <li>Up to 108Mbps bit rate for each DVB-ASI input</li> <li>Support TS (SPTS or MPTS) re-multiplexing with ASI output 4~256QAM modulation modes with adjustable Symbol Rate up to 7Mbaud</li> <li>Max. Effective bit rate up to 51.6Mbps (SR=7Mbaud, 256QAM)</li> <li>Nominal RF Output power ≥ 100dBuV ( with 0~25dB adjustable attenuation range) and 48~863MHz frequency range</li> <li>IF out(35~45MHz, 125kHz step)</li> <li>TS packet format input automatic detection and output configurable (188 or 204 bytes)</li> <li>2 ASI inputs (Max. Bit rate of each channel up to 108Mbps), 2 QPSK inputs and one ASI output after re-multiplexing, one IF and RF testing output.</li> </ol>

QAM Modulator
<p><em><strong>Multiplexer Features:</strong></em></p> <ol> <li>Has filter PID and reorganize function, it can be used in adding and cutting the channels, showing the PID of channel and offering the self-defining PID</li> <li>Discern input TS automatically, have the function of statistic and analyze of MPTS signals</li> <li>Output connector is DVB ASI or SPI digital data, offer the E3 or DS3 connector to meet the SDH, PDH and PSTN request of network transmission</li> <li>Plug-in strong power software, operating conveniently</li> <li>19" 1U standard case, plug-in VFD screen, shows operating condition clearly</li> <li>Set with RJ-45 net connector, monitoring conveniently</li> </ol>

Stream Re-multiplexer