Basic Info.
Product Description
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 |
