HD-SDI over Wireless

H-HDSDI-RF
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Description Features Drawings Specification Q&A
Description

H-HDSDI-RF  Wireless Video Portable Transmitter and Receiver

The H-HDSDI-RF is a wireless digital video transmission system.  The unit supports input of High Definition video and audio and transmits the signal up to 2 miles.  Supported inputs are HD-SDI, SD-SDI, DVB-ASI, A/V, and S-Video.  The H-HDSDI-RF is based on COFDM technology and incorporates MPEG-2 or MPEG-4/H.264 based video encoding.  The transmitter and receiver have built in systems to compensate for high speed movement.  Real time Synchronous transmission of broadband date is possible at speeds of up to 100 mph.  The H-HDSDI-RF system is ideal for high quality long distance wireless transmission of multimedia broadband information.  This is useful for countless applications such as event media broadcast, police services, military command, and government monitoring.

Features

 •  It can perform unfixed spot positioning transmitting of ultra remote distance (≤50KM sight distance)   
 •  Transmittion of close-distance, continuous, and moving(non line of sight) real-time AV signal.
 •  Convenient and efficient network transmission.
 •  The transmittion system can simultaneously send one video, two audio.
 •  Adopts international leading technology to assure image quality in the transmission process.
 •  Based on COFDM modulation technology providing strong multipath interference rejection ability
 •  Able to transmit at up to 100 mph differential velocity
 •  Resolutions: 720x576 25Hz, 1920x1080i 25Hz, 1920x1080i 30Hz, 1280x720p 50Hz, 1280x720p 60Hz
 •  Transmission range of up to 2 miles

Drawings
Specification
RF Parameters  
  • Transmitting Power
>1W (port number power)
  • Transmitting Frequency
300MHz?~800MHz?, 2200MHz-2500MHz
  • Bandwidth
2MHz, 6MHz, 7MHz, 8MHz
  • Input Impedance
50OhmΩ
  • Input Port
N-L16 (negative)
  • Out-Band Suppression
>50dB
  • Inter-Band Ratio
>25dB
Digital Modulation Parameters  
  • Modulation Mode
COFDM
  • Correcting Mode
LDPC
  • MER
>22dB
  • BER
<10-8
AV Input Encoding Parameters  
  • Video
HD-SDI Video Signal
CVBS combined video signal
YPbPr HD component signal
  • Video Input Port
BNC ( negative)
  • Audio
left/right channel, non-balanced analog, stereo
  • Audio Input Port
BNC ( negative)
  • Image Definition
720*576; 1920*1080i; 1280*720p
  • AV Data Formatting
H.264

Miscellaneous

 
  • MTBF
>10000hrs
  • Working Voltage
DC10V?16V (camera exclusive battery)
  • Environmental Condition
Storage temperature  -40?~+70? *C
Work temperature: -20?~+50? *C
Relative Humidity 85% (noncondensing)
  • Power Dissipation
About 13W (without SDI port)
About 15W (with SDI port)
  • Volume
180×110×88(mm)
  • Weight
1.8Kg (total aluminum milled parts)
Question and Answers
Question:
I am interested in the HD-SDI over Wireless I am particular interested in the 800Mhz and 2.2 Ghz band I have a few questions 1. What is the latency of the signal 2. Do you use the full 10 bit of the HD SDI video signal or do you dither down to 8 bit when transmitting video

Answer:
1) 200-300ms 2) 8 bit
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