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150km HD Nlos Cofdm HDMI Wireless Video Transmitter

Shenzhen Howmelly Technology Co., Ltd.
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150km HD Nlos Cofdm HDMI Wireless Video Transmitter

Brand Name : HOWMELLY

Model Number : HMVMT03

Certification : CE,FCC,ROHS

Place of Origin : CHINA

MOQ : 1Set

Price : Negotiation

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 1000sets per month

Delivery Time : 5-15days

Packaging Details : 1 whole set strictly packed in paper carton or wooden case


Output Power : 30W/50W/80W/100W

Work Frequency : 300MHz~900G(Other frequency can be customized)

Encryption : AES/ABS(128bit)

Transmit Distance : On board application 150km

Video Compression : Conform to H.265,H.264,MPEG-2,MPEG-4

Resolution : 1080P(1920*1080)compatible with 720× 576@ transmit rate is 30fps

Antenna : Omnidirectional antenna

Size : 480mm×340mm×90mm(L × W ×H)

Weight : 5.0kg

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Portable HD Nlos Cofdm HDMI Wireless Video Transmitter On Board Application 150km

Product Description:

HMVMT03 is a digital wireless video transmitter ,specially dsigned for vehicle-mounted application, could transmit high quality video signal in city or on sea where appears multipath effect always.It can realise wide signal coverage without directional antenna depend on its excellent "Diffract" ability .

It can simultaneously transmit one way image, one way Full-duplex bidirectional audio and data.

Transmitter HMVMT03 Specification:

General Part:
Work Frequency:300MHz-1.2GHz (customized)
Output power:30W/50W (option)
Channel bandwidth:1.25/2/4/6/8MHz(adjustable)
Code stream:0.8Mbps~10Mbps
End to end delay:<150ms
Error rate:≤10-6
FEC:Viterbi (1/2,2/3,3/4)
Guard interval:1/32,1/16,1/8,1/4
Power supply:AC220V/DC27V
Transmit distance:On board application>150km;Marine application >70km;City application>20km;Suburban application> 40km
Audio&Video Part:
Video Compression:Conform to H.265,H.264,MPEG-2,MPEG-4
Video input:HDMI or SDI
AV InputOne way or multipath AV input are optional
AV Data format :MPEG-2,MPEG-4 @ ML 4:2:0
Audio input:Left right sound channel
Resolution:1080P(1920*1080)compatible with 720× 576@ transmit rate is 30fps.
Two way voice:Two way voice is optional
Antenna:Omnidirectional antenna
Usage:Vehicle-mounted,On board application
Appearance:2U,19inch crate
Cloud deck:Cloud deck can be reversely controlled (Optional)
Size:480mm×220mm×45mm(L × W ×H) (1U)
Work temperature:Temperature:-30~70℃ Relative humidity:90%
Reserve temperature:Temperature: -40~80℃ Relative humidity:90%

Receiver HMRMR01 Specification:

General Part:
Work frequency:300MHz-399MHz,400MHz-1.2GHz (customized)
Frequency Spectrum:The frequency spectrum function is available
TALLY System:TALLY system(Optional)
Receive sensitivity:-106dB
Power supply:AC 220V
Audio&Video Part:
Video output:HDMI, SDI,AV,RJ45
Audio output:Two way
Video compression:H.265,H.264, MPEG-2@ ML 4:2:2 compatible with 4:2:0
Video rate:25-30F/S
Resolution:1920*1080 compatible with 720×620
Two way voice:Two way voice is optional
Size:1U,19inch crate (480mm×220mm×45mm(L × W ×H)

One way SD-SDI interface(imbedded audio)

One way HD-SDI interface(Optional)

One way HDMI interface(Optional)

One way analog composite video signal

RJ45 interface(Optional)

Data interface can be provided

Parameter adjustable:

1.The signal quality,strength can be displayed on the LCD screen

2.The frequency,bandwidth,guard interval are adjustable

Work environment:Temperature:-30~70℃ Relative humidity:90%
Reserve environment:Temperature:-40~80℃ Relative humidity:90%


  1. It has strong anti-interference ability and non line of sight diffraction ability
  2. Wide voltage input DC12V
  3. The system adopts H.264 digital video coding standardClear picture to HD 1080p effect
  4. Use COFDM ( Coded Orthogonal Frequency Division Multiplexing:Coded orthogonal frequency division multiplexing
  5. Diversity dual antenna reception, so that the real-time image clearer and smoother
  6. Can be used in public security, fire, police, civil defense, emergency law enforcement, environmental monitoring, earthquake relief, flood control, emergency power, emergency rescue, maritime surveillance, law enforcement inspection, customs, port monitoring, forest fire prevention, oil security, military reconnaissance, television, unmanned vehicles, unmanned boat, special robot etc..

Transmitter Picture:

Product Sell Point:

1. Stable transmission with omni-directional antenna.

2. Rack mountable design, can be installed in a car or helicopter.

3. The product shell is made of high quality stainless steel which is more solid and anti-deformation

4. Excellent anti-interference performance under complex electromagnetic condition.

5. The LOS transmitter range can reach 150KM when worked with omni high gain antenna.

6. Space diversity reception capability.

7. Can stably transmitter video&audio signal under the condition of high-speed mobile and multipath interference.

Product Tags:

Cofdm HDMI Wireless Video Transmitter


150km HDMI Wireless Video Transmitter


Portable COFDM Video Transmitter

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