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Compact COFDM Wireless Transmitter , Long Range Audio Video Transmitter And Receiver

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Compact COFDM Wireless Transmitter , Long Range Audio Video Transmitter And Receiver

Brand Name : Ding Shen

Model Number : DS-HDT20W

Place of Origin : Guang Dong China

MOQ : 1set

Price : >=1 Sets $4500

Payment Terms : T/T

Supply Ability : 1000pcs/month

Delivery Time : 3-7 working days

Packaging Details : 220*140*66mm

Certification : CE/FCC

Modulate : COFDM

Video input : HDMI/SDI; CVBS

Video rate : 512Kbps-16Mbps (adjustable)

Product name : n Wireless Audio Video Transmitterc&Receiver With AES128 Bi

Video coding : MPEG-2/H.264/H265

Frequency : 300-900Mhz or other frequency customized

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COFDM Wireless AV Sender Video Emitter Military Transmitter transmits over 100km LOS and 1km to 3km nlos long range audio, video and images.

COFDM Wireless AV Sender Video Emitter Military Transmitter is with COFDM modulation, H.264 mpeg-4video compression and AES encryption .

HD SDI Video input can be added, so that it can be made as a high definition (HD) COFDM wireless video transmitter.

COFDM Wireless AV Sender Video Emitter Military Transmitter is used for long range audio, video transmission, live broadcast and drone video shooting / recording.

COFDM Technique Advantages

  1. Strong interference:COFDM wireless transmitter is effectively against the multipath interference of signal waveform with the COFDM modulation. When the frequency selective fading occurs due to multipath transmission in the channel, only the subcarriers in the band depression and the signal carried by them are affected. The other subcarriers are not affected. Therefore, the overall bit error rate of the system is lower.
  2. Anti-multipath fading: COFDM wireless audio video transmitter is effectively against the interference with the multi-carrier technique (COFDM). Compared to the single carrier, multi-carrier inherently resistant to time delay and has strong multipath capability. With joint coding of subcarriers & frequency diversity of the channel, the system’s performance is improved. Therefore, COFDM wireless system is suitable for multi-path environment and fading channel high-speed audio video data transmission.
  3. LOS & NLOS operation: with strong penetration, strong diffraction & strong anti-interference, COFDM wireless system is suitable for high-speed mobile wireless transmission in NLOS &LOS operation without servo stability control assistance, such as on UAV to mobile vehicle, uav to groun station, UAV to vessle...

Warranty

  1. Twelve months free warranty for equipment
  2. Three months for components
  3. Replacement parts will be charged after one year

Transmitter parameter:

Modulate COFDM
Working voltage DC12V
Working current ≤6A@DC12V
RF bandwidth 2/4/6/8MHz (adjustable)
Frequency 300-900Mhz or other frequency customized
Output power 10-20W adjustable
Video input HDMI/SDI; CVBS
Data input (option) RS232/TTL, up to 115200bps
Video resolution 1920*1080P/I@60fps; 1280*720P/I@60fps
Video coding MPEG-2/H.264/H265
Video rate 512Kbps-16Mbps (adjustable)
Encryption AES 128 bits
AV input 1Vp-p, 75Ω. Left and right channel
Video system PAL/NTSC
Power flatness Full band ≤1.5dB
CNR ≥25dBc@48dBm
Second harmonic ≥60dBc
CBER <2.0E-4
VBER <1.0E-7
MER 32dB
Carrier 2k 4k 8k
Constellation QPSK,16QAM,64QAM (option)
FEC 1/2, 2/3, 3/4, 5/6, 7/8 (option)
Guard Interval 1/32, 1/16, 1/8, 1/4 (option)
Working Temperature -25°C~55°C
Dimension 220*140*66mm
Weight 2.5kg

Receiver parameter:

Frequency 300-900MHz or other frequency customized
Bandwidth 2/3/4/5/6/7/8MHz (option)
RF input level -94dBm~0dBm(8M)/-98dBm~0dBm(2M)
RF input impedance 50Ω
RF input type N type
Modulation COFDM
Constellation QPSK,16QAM,64QAM(adjustable)
FEC 1/2,2/3,3/4,5/6,7/8(adjustable)
Carrier 2k
Guard Interval 1/32,1/16,1/8,1/4(adjustable)
Video coding MPEG-2/H.265
Screen 4:3 16:9
Video resolution 1080P@4MHz
Audio output Stereo unbalance 300/ 200mv
AV output 2 Audio output + 2 Video output. SDI/HDMI/ASI
Working voltage AC220V/DC12V <1A
working temperature -20℃~+50℃
Dimension 480*260*45(1U chassis)
Weight 1.5kg

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