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 Introduction：
DTB251 is a DVB-T HD digital receiver box which receives SDTV and HDTV (MPEG2/H.264) terrestrial broadcasts and displays them on the regular TVs. It can display on the 16:9 and 4:3 TVs. It features the HDMI, TV SCART, S/PDIF, VCR SCARToutput signals. An 8-day electronic program guide (EPG) helps you schedule your upcoming week of entertainment.
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Features：
- Fully Compatible with DVB-T
- HDMI supports 1080i, 720p, 576p and 576i outpus
- USB supprts photo viewer and MP3 playback
- Automatic PAL/SECAM Conversion
- Multi-nation languages for OSD and EPG
- Independent 7 Buttons
- One 7-Segment LED display
- Auto/Menual Channel Search
- Parental Channel Management
- Compact Design and Low Power Consumption
- Infrared Remote Control
- DC 12V input suitable for camping, yacht...etc.
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Specifications：
RF & Demodulation
| Frequency |
174~862 (VHF & UHF) |
| Bandwidth |
7/8 MHz |
| Demodulation |
COFDM |
| FFT mode |
2K, 8K |
| Constellation |
QPSK, 16QAM, 64QAM |
| Guard Interval |
1/4, 1/8. 1/16, 1/32 |
| Inner coding rate |
1/2, 2/3, 3/4, 5/6, 7/8 |
Video
| Formats |
MPEG-2 MP@ML;
MPEG-2
MP@HL;
MPEG4 AVC/H.264 MP@L4.1;
MPEG4 AVC/H.264 HP@L4.1 |
| Aspect ratio |
4:3 and 16:9 (Letter Box, Pan & Scan, Ignore) |
| Encode |
PAL, SECAM |
| Output |
Two SCARTs, HDMI |
Audio
| Decode |
MPEG-1 layer I/II, MP3
MPEG-2 layer II, MPEG-2 AAC,
MPEG-4 HE-ACC,
Dolby® digital
(AC-3) |
| Sampling rate |
32KHz, 44.1KHz, 48KHz |
| Output |
Stereo, mono, mono-left, mono-right |
Data
| Teletext, Subtitle, 7-day EPG |
Remote
Front panel
| IR remote |
| Standby |
| MENU, OK, UP, DOWN, LEFT, RIGHT |
| 7-Segment LED display (Scan, Channel No.) |
Rear panel
| DC IN |
| TV SCART x 2 |
| IEC female (RF IN) |
| IEC male (RF OUT) |
| SPDIF |
| HDMI |
| USB |
Power Supply
| Input Voltage |
12VDC, 1A |
| Consumption (Typical.) |
7 Watts |
| Consumption (Max.) |
9 Watts |
Dimension
| W(230 mm) x D(185 mm) x H(40 mm) |
Weight
General Data
| Operation Temperature |
0°C ~ +40°C |
| Operation Humidity |
90% |
| Storage temperature |
-20°C ~ +70°C |
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Connection：
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