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Help CenterCOFDM 4-CH Video Transmission System
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System Application:
Can be used for public security, fire-fighting, traffic police, civil air defense emergency, urban management and law enforcement, environmental monitoring, three anti-emergency, flood control, emergency power, railway rescue, maritime law enforcement, maritime surveillance patrol, customs border, port monitoring, forest fire prevention, oil theft, more complex environment in real time transmission of high quality moving images for the city, the sea, mountains and so on; military reconnaissance, television and so on.
Mini Individual SD image wireless transmission system
System application form:
Overall transmission path is:
1.Individual soldier - communication vehicles, staff from the front carrying a mini transmitter and then transmit the local standard definition video signals to the communications command vehicle,Communications command vehicle can monitor the video signal through real-time monitoring.
2.Individual solider-local command center-Total command center.
staff from the front carrying a mini transmitter and then transmit the local standard definition video signals to the local command center, local command center transferred directly by MAN or WAN to the total commander center. Local command center, total command center both can real-time monitoring through monitor. In addition, communications command vehicle, a local command center, total command center can use network monitoring, access to PC view video and recording operations.
Receiver Product Introduction:
1.Use standard DVD-T receiver, 4-way receiver integrated display, and receiving sensitivity is up to-104dbm;
2.With 15.6-inch LED screen, real time monitoring the 4 way image;
3.2 way 80G encrypted hard disk recorder, can also save and get information at any time;
4. One way video server, realize remote video surveillance, dynamic IP enables IE browser;
5. Enable remote monitoring and control of PTZ;
6. Interconnect the voice integrated and intercom system
Receiver Technical Parameters:
Item |
Description |
Modulation Type |
QPSK(4QAM),16QAM,64QAM |
Working Frequency |
46-860MHZ |
RF Bandwidth |
2/3/4/5/6/7/8MHz(upon request) |
Encryption Method |
128 - bit AES (with modulation board) |
Parameter control method |
LED digital display board (parameters adjustable) |
FEC(forward error correction) |
1/2,2/3,3/4,7/8 |
Guard Interval |
1/4,1/8,1/16,1/32 |
Video Input |
CVBS:NTSC,PAL |
HDMI: 1920 x1080p, 30 frames | |
Video Compression |
MPEG-2 , H.264 |
RFI RF interface |
N female head |
Audio Interface |
4 pin Aviation Connector Interface |
External(built-in)Battery |
DC12V/3.1~4.2A |
Work Environment |
-10~70℃ |
Overall Dimension |
570*350*220(mm) |
Transmitter Product Features:
- High quality of video transmission, no mosaic, no dragging phenomenon, stable power with adjustable dynamic power;
- Support NLOS transmission, strong diffraction capability;
- Applied COFDM modulation technology, MPEG-2 video compression.
Technical Parameters:
Item |
Description |
Modulation Type |
QPSK(4QAM),16QAM,64QAM |
Working Frequency |
300-900MHz;( per 0.5M adjustable) |
Transmission Power |
30dBm |
RF Bandwidth |
2/3/4/5/6/7/8MHz(optional) |
FEC(forward error correction) |
1/2 2/3 3/4 7/8 |
Guard Interval |
1/4,1/8,1/16,1/32 |
Video Input |
Camera:2.5mm |
Video Compression |
MPEG-2 4:2:0 |
Audio Input |
AV:3.5mm Interface |
RF Interface |
SMA F head |
Parameter Control Method |
Adjustable digital LED control panel |
Encryption Method |
128 - bit AES (can set user’s password) |
Transmission distance |
NLOS: 0.5~1KM |
Working Voltage |
DC12V |
Working Current |
1.45A |
Working Temperature |
-10~70℃ |
Boundary Dimensions |
100×59×22mm |
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