China Cofdm Wireless Video Receiver with Two-Way Voice, Find details about China Cofdm, Video Receiver from Cofdm Wireless Video Receiver with Two-Way Voice
| Power Supply | |||
| Working voltage V | AC220V±20V | ||
| Working current A | ≤1.5A@DC12.5V | ||
| Video Receiving | |||
| Frequency input range | 170MHz~860MHz | ||
| RF bandwidth | 2M/8M (fixed) | ||
| Input level | -106dBm~-20dBm | ||
| Demodulation | COFDM | ||
| Video decoding | MPEG-2/H.264 self-adapted decoding | ||
| Decryption | AES/ALLTECH Basic Scrambling | ||
| Constellation | QPSK, 16QAM, 64QAM | ||
| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 | ||
| Carrier | 2K/8K | ||
| GUI | 1/4, 1/8, 1/16, 1/32 | ||
| Video output level | 1~1.2Vp-p@75Ω | ||
| Video output format | PAL/NTSC | ||
| Video resolution | 1920×1080×60i/50i | ||
| Video white bar amplitude mV | 650~720mV | ||
| Video synchronous amplitude mV | 260~275mV | ||
| Video amplitude-frequency characteristic dB | 0~4.8MHz | -0.5~1.5 | |
| 5.5MHz | -4.0~1.5 | ||
| Rx feed output voltage | DC10.0V~DC12.0V | ||
| Rx feed output current (MAX) | 800mA@DC12V (MAX) | ||
| Audio output | Left/right channel, stereo | ||
| Audio decoding standard | ISO/IEC11172-3 MPEG-1, ISO/IEC13818-3 MPEG-2 (Layer I&II) | ||
| RS232 data interface | Standard RS232 level, support 1200~115200 | ||
| Audio Transmission | |||
| Audio Tx frequency | 470.5~479.950MHz, factory setting: 479.950MHz | ||
| Audio Tx power output | ≥40dBm | ||
| Audio Tx modulation | GFSK | ||
| SHG | >62dBc | ||
| Frequency interval | 150KHz | ||
| Stray emission | Less than 60dB | ||
| Audio encoding overall bitrate | 4800bps | ||
| Audio sample | 8KHz 16bit | ||
| Audio Tx delay | 1~60 S | ||
| MIC input signal strength (MAX) | 320mVpp | ||
| Conference microphone input signal strength (MAX) | Normal MIC: 1.5Vpp; high-amplitude MIC: 15Vpp | ||
| Environment | |||
| Working temperature | -25°C~55°C | ||
| Storage temperature | -40°C~70°C | ||
| Appearance | |||
| Dimension | 482mm×360mm×44mm | ||
| Weight | 5.4kg | ||