H-710BHigh Definition Miniature Wireless Video Transmission SystemUseCOFDM（Coded Orthogonal Frequency Division Multiplexing：CodeOrthogonal Frequency Division Multiplexing (OFDM) modulation technology, with narrow transmission bandwidth, strong anti-multipath interference ability and anti-multipath fading ability, can achieve non-line-of-sight (NLOS), real-time transmission of high-quality images in high-speed motion.
System adoptionH.264 Digital Video Coding Standard, Outputhigh definitionHD1080P picture quality with resolution of 1920*1080P、720P and standard clearance.
It is widely used in military reconnaissance, frontier patrol, public security technical reconnaissance, aerial photography, aerial surveying and mapping, electric power patrol, railway emergency, maritime law enforcement, urban management law enforcement, secret news visits, health and epidemic prevention or emergency command of emergencies, unmanned vehicles, unmanned ships, special robots and other fields.
Anti-EMI Performance of COFDM:
It has excellent performance against frequency selective fading or narrowband interference and interference between signal waveforms. It has strong anti-fading ability through the joint coding of various subcarriers. In single carrier systems (e.g. digital microwave, spread spectrum microwave, etc.), a single fading or interference can cause the whole communication link to fail, but in multi-carrier systems.In COFDM system, only a small part of subcarriers will be interfered, and these subchannels can also use error correction codes to correct errors, to ensure the low bit error rate of transmission.
COFDM resistancemultipath fadingperformance:
It can effectively counteract the interference between signal waveforms and is suitable for high-speed data transmission in multipath environment and fading channel. When frequency selective fading occurs due to multipath transmission in the channel, only the subcarriers falling in the frequency band depression and the information they carry are affected, while the other subcarriers are not damaged, so the overall BER performance of the system is much better.
Advantage:
& Oslash; small body size, light weight
& Oslash; Low latency < 200ms
& Oslash; Strong anti-jamming capability and non-line-of-sight diffraction capability
Ø Clear picture qualityHigh definition 1080p effect
& Oslash; Diversified dual antenna reception to make real-time images clearer and smoother
Technical Indicators:
transmitter
| working frequency | 300MHz～2300MHz ，Frequency customization |
| RF power | ≤35 dBm, 1 dB step |
| Channel Bandwidth | 2-8MHz，1KHz Stepping |
| FEC | 1/2，2/3，3/4，5/6，7/8 |
| Protection interval | 1/32，1/16，1/8，1/4 |
| Bitstream | 2Mbps～12Mbps |
| time delay | ≤200ms |
| Audio and Video Compression Format | H.264 |
| transmission distance | groundSight distance≥3Km;Air-to-ground≤50 km;NON-LOSGround to ground greater than 1kilometre |
| Audio-Video Interface | HDMI，CVBS |
| data interface | Downlink transparent transmission, baud rate: 115 200 BPS |
| Image sharpness | HD1080P, 720P and Standardization |
| Image frame rate | 24, 50, 60 frames per second，Compatible with ititframe rate |
| Power Supply | DC12VExternal power supply |
| Power waste | 12W |
| Dimension specification | L133*W70*H26mm |
| Weight | 245g |
| working frequency | 300MHz～860MHz ，Frequency customization |
| Channel Bandwidth | 2-8MHz，1KHz Stepping |
| sensitivity | 2MHz：-103dBm；2.5MHz：-102dBm；4MHz：-100dBm；8MHz：-97dBm |
| Receiving Technology | Spatial Diversity Technology |
| Receiving polarization | Vertical polarization, dual antenna reception |
| Audio and Video Decompression Format | H.264 |
| Audio and Video Output Interface | 1 channel HDMI, 2 channels audio and video BNC |
| data interface | Downlink transparent transmission, baud rate: 115 200 BPS |
| Mesh port | RTSP video stream |
| USB | Video storage |
| Image sharpness | HD1080P, 720P, 480P and standard clearance |
| Image frame rate | 24, 50, 60 frames per second，Compatible with ititframe rate |
| Power Supply | DC9-15V |
| Dimension specification | 114*89*33mm |