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5W Backpack SD wireless mobile video transmission equipment

5W Backpack SD wireless mobile video transmission equipment

Model:ST6200DBA

Working frequency  138MHz~999MHz(customized) 
Output power 1~5W(customized)
Modulation COFDM
Channel bandwidth: 8MHz
Error correction mode FEC@Viterbi (1/2,2/3,3/4)
Protect interval 1/32,1/16,1/8,1/4
Transmit range Airborne Use>80KM; Marine Use:>40KM; City Use>3KM;Suburbs Use>8KM

 

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Product description

ST6200DBA wireless real-time video transmission equipment is new generation of real-time broadcast-quality high-resolution image transmission system. It adopts the current leading COFDM modulation technology, has the strong anti-jamming capability,overcomes the reflection and cover caused by transmission multipath simulation technique and conventional modulation techniques, to realize high-speed photography and real-time transmit high quality image in NLOS or complicated working environment.

Picture quality reach to DVD (720*576@ PAL / 720*480@ NTSC)via MPEG-2 encode, with the advantage of high definition & good color performance.

 

Feature:

Based on MPEG-2 standard high quality NLOS wireless av transmission equipment has real color reproduction. It could meet needs of regular NLOS real-time video transmission.

 

COFDM anti-electromagnetic interference performance:

It has superior performance against frequency selective fading or narrow bandwidth interference and signal waveform interference. It has strong anti-fading ability, through each sub-carrier joint coding.  In single carrier system (digital microwave, spread spectrum system, etc), single decline or interference will result in all communication link failure. But in multiple carrier COFDM system, only a few sub-carriers will be interfered What’s more, these sub-channels can adopt ECC to correct error, to guarantee the transmission low error rate.

 

COFDM anti-multipath fading performance:

It can confront signal waveform interference effectively. Suitable for multi-path environment and fading channel high-speed data transmission. When the frequency selective fading appear in the channel because of multi-path transmission, only the sub-carrier, which fell over the band depression, and the information carried will be affected. Other sub-carriers will not be affected. Thus, the system total error rate performance will be much better.

 

Application

Adapt for manpack—vehicle and manpack – command center . Having high power , it could transmit mobile video transmission within 40km in the open area .

 

Advantages

1.Working frequency could be customized within 138MHz~999MHz

2.High quality digital video process & MPEG-2 video encoder and DVD video quality

3.System latency is 300ms

4.Could transmit steady video and audio in high-speed mobile and multi-interfere circumstance

5.Support NLOS transmission

6.Transmission power 1~5W (customized)

7.With spatial diversity reception capability

8.Double antennas to receive, has steady signal and smoothly video

9.Double standard CVBS video output

10.Small volume and light weight, easy to install and application

 

Application:

Suit for high quality real-time mobile video transmission in complex and special environment, such as: police , fire, traffic police, city inspectors, environmental monitoring, flood control, electricity and rescue, railway and rescue, maritime law enforcement, maritime surveillance patrol, customs border, port monitoring, forest fire prevention, oil security, military reconnaissance, television , urban areas, the sea, mountains, etc.

 

 

Specification

1-5W Backpack SD wireless mobile video transmission equipment

Application type:

Transmission path:Manpack~Command vehicle~Local command center~Network to other command center. Transmitter carried by working staff sends live video and audio to communication command car; Worked as relay, communication command car take wireless signal to local command center; Local command center monitor and adjust the av signal and send to other command center through connection to MAN or WAN.

 

Schematic diagram

1-5W Backpack SD wireless mobile video transmission equipment

 

Topology

 

1-5W Backpack SD wireless mobile video transmission equipment

Transmitter
RF part
Working frequency 138MHz~999MHz(customized)
Output power 1~5W(customized)
  COFDM
Channel bandwidth 8MHz
Error correction mode FEC@Viterbi (1/2,2/3,3/4)
Protect interval 1/32,1/16,1/8,1/4
System part
Standard MPEG-2 standard
Code stream 1.5Mbps~6Mbps
System latency 300ms
BER ≤10-6
Transmission distance Airborne Use>80KM; Marine Use:>40KM; City Use>3KM;Suburbs Use>8KM
Audio and video part
Compression format MPEG-2
Video input PAL/NTSC
Audio input L R
Image resolution 720*576@ 25fps
Video input physical interface BNC female port
Audio input physical interface BNC female port
Others
Power supply special battery DC14.4V SONY V
SIze 205*125*63mm (L×W×H)
Weight 1.5kg

COFDM Wireless receiver

ModelST6200R

Specification
RF part
Frequency 138MHz~999MHz
Modulation COFDM
Channel bandwidth 8MHz
Receiving sensitivity -97dBm
System part
Receiving polarization vertical polarization, dual-antenna receiving
Receiving technique Space diversity receiving technique
Filter technique built-in high performance cavity filtertechnique
Audio and video part
Compression format MPEG-2
Video output PAL/ NTSC
Audio output L R
Image resolution 720*576@25fps
Video output physical interface BNC female port
Audio output physical interface BNC female port
Others
Power supply AC 220V
SIze 1U,19 inch crate (480*280*45mm)
Weight  4.0kg

 

 
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