GDM-009 数字调制器
GTM-860Q
GTM-860Q digital modulator converts digital and standard definition video and audio signals to QAM – outputted onto a single coax line.Standard features include adjustable RF output, logical channel mapping, and a variety of configuration options.The modulator’s admin functions, channel and RF settings are managed through an LCD front panel display, or by an onboard Web application through a standard browser.
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| Place of Origin:Guangdong,China | ||||||
| Model Number:GDM-009-2(GTM-860Q) | ||||||
| ITEM | TYPICAL | Q.C LIMIT | TEST CONDITIONS | |||
| 1. Encoding Section | ||||||
| Video | ||||||
| Encoding | H.264/MPEG-2 | HD:H.264 AVC/HP@L4.0 SD:MPEG-2/MP@ML | ||||
| Bit Rate | 256QAM:7.6Mbps 64QAM:4.8Mbps | |||||
| Aaverage Encoding | 256QAM:8Mbps 64QAM:5Mbps | |||||
| Resolution | HD 1080p(HDMI IN) SD 480i,576i | |||||
| Audio | ||||||
| Encoding | MPEG2/AAC | |||||
| Sample Rate | 48KHz | |||||
| Bit Rate | 384kbps | |||||
| 2. Input | ||||||
| Video Input | HDMI:1080p 25/30, 1080i 50/60 Max, YPbPr ( 1080i,720P,576i/P,480i/P), CVBS: NTSC, PAL | |||||
| Y Input Level | 1Vp-p | 1V±0.2Vp-p | ||||
| Pb/Pr Input Level | 0.5Vp-p | 0.5V±0.1Vp-p | ||||
| CVBS Input Level | 1Vp-p | 1V±0.2Vp-p | ||||
| Audio Input | R/L | |||||
| R Input Level | 3Vp-p | 3V±0.5Vp-p | ||||
| L Input Level | 3Vp-p | 3V±0.5Vp-p | ||||
| Input Connectors | Video (RCA) / Audio (RCA) / HDMI | |||||
| 3. QAM Modulator | ||||||
| Modulation Types | ITU-T J83 Annex B | |||||
| Cable Standard | Std | |||||
| QAM | 64QAM, 256QAM | |||||
| MER | ≥32dB | |||||
| RF Frequency | 57 – 861MHz | |||||
| RF Output Level | 100dBμV | 100dBμV ±5dBμV | ||||
| RF Level Adj | 0dB ~ -36dB | |||||
| Attenuation step | 2dB per step | |||||
| 4. System | ||||||
| Local Interface | LCD + control buttons | |||||
| Remote management | Web Management | |||||
| Ethernet port | RJ45,100M | |||||
| 5. General | ||||||
| Power supply | AC Input:100V ~240V 50/60Hz | |||||
| Operation Temperature | 0°C - 50°C | |||||
| Relative Humidity | 20% ~ 80% | |||||
| Dimensions | 19” x 12.5” x 1.75” | |||||
| Weight | 2.8Kg | |||||
