وصف
وظائف & سمات:1. Broadcasting level A/V encoding with multiple A/V input
2. ABS/AES encryption optional
3. Working frequency and other parameters panel display and adjustable
4. ح. 264 video encoding and HD video quality (1080i/P)
5. Bitrate auto adjustable subject to the channel bandwidth
6. NLOS (NO LINE OF SIGHT) and mobile transmission
7. Working frequency adjustable within specified range
8. HDMI input with HDCP protocol
9. SDI video, embedded audio and composite video input
10. Balanced and unbalanced stereo input
11. Aluminium alloy casing with good impact resistance and heat dissipation
| مزود الطاقة | |||
| Working voltage V | DC12~16V | ||
| Working current A | ≤2.8A @ DC12.5V | ||
| Video Transmission | |||
| Frequency output range | 300~450MHz, 560~760MHz or user customized | ||
| RF bandwidth | 1.5/2/4/6/7/8MHz optional | ||
| Power output | 33dBm, adjustable | ||
| C/N | ≥28dB @ 33dBm | ||
| SHG | >52dBc | ||
| Encryption | AES/ALLTECH Basic Scrambling | ||
| Modulation | COFDM | ||
| Constellation | QPSK/16QAM/64QAM optional QPSK/16QAM/64QAM @ 6/7/8MHz |
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| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 optional 1/2, 2/3, 3/4, 5/6, 7/8 @ 6/7/8MHz |
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| Carrier | 2K | ||
| GUI | 1/4, 1/8, 1/16, 1/32 optional 1/4, 1/8, 1/16, 1/32 @ 6/7/8MHz |
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| Video input level | Full band ≤2dB, 8ميغاهيرتز (within)≤0.5dB | ||
| RS232 control interface | Standard RS232 level, 9600, 8, N, 1 | ||
| RS232 data interface | Standard RS232 level, support 1200~115200 | ||
| CVBS | |||
| Standard | Support NTSC/PAL/SECAM color standard | ||
| Video white bar amplitude | 700±20(mV)p-p | ||
| Video synchronous amplitude | 300±9 (mV)p-p | ||
| Video amplitude-frequency characteristic | 0~4.8MHz | -0.5~1.5dB | |
| 5.5ميغاهيرتز | -4.0~1.5dB | ||
| SNR (weighted) | ≥58 dB | ||
| Sloping field SNR (not weighted) | ≥50 dB | ||
| Analog Audio | |||
| Balanced audio input amplitude | Vmax=±15V | ||
| Unbalanced audio input amplitude | Vmax=3Vpp | ||
| MIC input | الدعم | ||
| SDI | |||
| Standard | SMPTE 425M (Level A and Level B), SMPTE 424M, SMPTE 292, SMPTE 259M-C SMPTE 272M SMPTE 299M | ||
| Input amplitude | 800±80 mV | ||
| HDMI | |||
| Version | HDMI 1.3 | ||
| HDCP protocol | الدعم | ||
| Encoding |
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| A/V bitrate | 64, 96, 112, 128, 160, 192, 224, 256, 320, 384Kbps adjustable | ||
| Audio encoding | MPEG1 Layer2 | ||
| Video resolution | Minimum 720*480 60i (720*576 50i ) | ||
| Maximum 1920*1080/ 60P self-adapted | |||
| Video encoding | H.264 | ||
| Video bitrate | 500kbps-16.68Mbps self-adapted | ||
| Format | YCbCr4:2:0 | ||
| Audio Receiving | |||
| Audio Rx frequency range | 470.05~479.950MHz, factory setting: 479.950ميغاهيرتز | ||
| Audio Rx sensitivity | ≤-111dBm | ||
| Audio Tx modulation | GFSK | ||
| Frequency step | 150كيلوهرتز | ||
| Audio decoding overall bitrate | 4800bps | ||
| Audio output | 2.1Vp (open circuit output) | ||
| Environment | |||
| Protect standard | IP66, dustproof and rainproof | ||
| درجة حرارة العمل | -25~55°C | ||
| درجة حرارة التخزين | -40~70°C | ||
| Appearance | |||
| البعد | 227×145×50 mm | ||
| Transmitter (bare) | 2.5كلغ | ||
| بطارية (single) | 1.1كلغ | ||