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video Transmission wirelessly Answered

Hello,

I wonder if someone can help.

I need to transfer video wirelessly using basic 433 MHz RF.
https://www.instructables.com/id/RF-315433-MHz-Transmitter-receiver-Module-and-Ardu/

My problem is the data is more than 5 Mbps and I don't want to use WiFi because of high power consumption and health safety.

let me explain it more:
1. The input data is the digital video (5 Mbps) >> compressed using video encoder >> transferred wirelessly.
2. Receive the data >> decompressed using video decoder >> display on tiny uLED screen 91X91 pixel.

any one have an idea?

Thanks

Regards
Nabeel



 

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Downunder35m

4 years ago

You are looking at over 1megapixel resolution with a bandwidth of 5Mbps if the H.264 codec is used.

The display only has 91x91 pixel - why do you need such a high bandwidth?

I see no gain in feeding a high resolutions signal to a low resolution display.

WiFi does not use more power than a 433Mhz transmitter but will offer the bandwidth needed.

Also fail to see the health benefit of 433 over 2400Mhz.

I think you either got the resolution or the bandwidth wrong for your calculations unless you are really using those values for the video.

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NabeelLassDownunder35m

Reply 3 years ago

Hi,

I review my work and calculated again. It seems what I need is VGA video format that I need to transfer but the problems comes with the receiver which I need to be very small in size.

Any idea for making it very small?

Overall I need to transfer and have no problem with transmitter now.

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Downunder35mNabeelLass

Reply 3 years ago

Try the ones for FPV drones, they are about the smalles size I know of.
And they should not care too much about the video format.

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NabeelLassDownunder35m

Reply 4 years ago

Thank you for reply.

The data is more than 5 Mbps (as the minimum), I just wonder to know how to start my project with using video codec such as H.264. you are right about the bandwidth, let we say 2.45 GHz but not WiFi protocol, because I do not like to use it for now.

Do you have any idea how I use video codec?

I search on the web did not get any specific information, I am really confused for choosing it.

Thanks

Regards

Nabeel

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Downunder35mNabeelLass

Reply 4 years ago

Depending on the range and image resolution you need I would opt for a car video tranmitter.

They go for around 20 bucks on Fleabuy.

As an extra for reversing cams they offer a RCA input and output and accept any normal video sources as a source.

For longer range the video sender units for FPV cams as used in remote controlled helicopters work up to one kilometer.

And it is cheaper than buying seperate modules and an Arduino, unless of course you need the processing of the Arduino for something else.

Getting around the high frequencies might no be avoidable as only there you can get enough bandwidth for a transmission of quality video.