DVB-T/C Modulator
GDM-034
Features
• Convert HDMI signal to DVB-T/C RF out with IR return path to allow channel changing from other rooms
• IR Frequency 38~56 kHz
• No hierarchical transmission
• Configurable convolution Rates
• QPSK/ 16 QAM/ 64 QAM symbol Mapping
• 2K/ 8K FFT
• Configurable Guard Interval : 1/4, 1/8, 1/16, 1/32
• Support Channel Bandwidth 6/7/8 MHz
• MER 30 dB, typically
• Convert HDMI signal to DVB-T/C RF out with IR return path to allow channel changing from other rooms
• IR Frequency 38~56 kHz
• No hierarchical transmission
• Configurable convolution Rates
• QPSK/ 16 QAM/ 64 QAM symbol Mapping
• 2K/ 8K FFT
• Configurable Guard Interval : 1/4, 1/8, 1/16, 1/32
• Support Channel Bandwidth 6/7/8 MHz
• MER 30 dB, typically
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Specifications
| Place of Origin:Guangdong,China | |
| Model Number:GDM-034 | |
| DESCRIPTION：HD DVB-T/C Modulator | |
| SOURCE INPUT | |
| ·Input Channel | :1 |
| ·Video | :HDMI |
| ·Video System | :480i/p,576i/p,720p,1080i/p |
| ·Audio | :HDMI |
| COMPRESSION | |
| ·Video | :H.264 Baseline Profile Level 4.0 |
| ·Video Resolution | :1080p 25/ 30 Max |
| ·Video Bit Rate | :12 Mbps Max. |
| ·Audio | :MPEG-2/AAC |
| ·Editable Field | :Service Name, TS ID,Network ID, Original NET ID,LCN,Network Name. |
| MODULATION | |
| ·Standard | :DVB-C(ETSI EN 300429V1.2.1) |
| ·Constellation | :256QAM,128QAM,64QAM,32QAM,16QAM |
| ·Symbol rate | :2~6.96 MSymbols |
| ·Bandwidth | :6MHz,7MHz,8MH |
| ·Standard | :DVB-T (ETSI EN 300744 V1.5.1) |
| ·Constellation | :QPSK,16QAM,64QAM |
| ·Guard Interval | :1/4,1/8,1/16,1/32 |
| ·Code Rate | :1/2,2/3,3/4,5/6,7/8 |
| ·FFT Carrier Mode | :2K,8K |
| ·Bandwidth | :6MHz,7MHz,8MHz,7~8MHz |
| RF OUTPUT | |
| ·Type | :1 Multiplex DVB-T/C With a Digital TV Service |
| ·Frequency | :177～858 MHz |
| ·MER | :30 dB Min |
| ·Output Level | :100 dBuV |
| ·RF Level Adj | :0dB～-20dB |
| ·Attenuation Step | :1dB Per Step |
| GENERAL | |
| ·POWER SUPPLY | :12V 1.0A ADAPTOR |
| ·DISPLAY | :LCD panel @ 2 x16 Characters |
| ·ENVIRONMENTAL FOR OPERATING | |
| Temperature | :5℃-40℃ |
| Relative Humidity | :80%@30℃ |
| ·DIMENSIONS | :172 x113 x32 mm |
| ·CONFIGURATION | :6 Local keys on front panel |
| CONNECTIONS | |
| ·HDMIIN | :HDMI IN |
| ·HDMI OUT | :HDMI Pass Through |
| ·RF Output | :1 DVB-T/C RF Outputs |
| ·DC Switch | :Power supply 9 volts DC for IR pass |
| ·RF Input | :RF Combiner |
| ·USB | :Fimware Upgrade |
