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Encode Board for COFDM Wireless Video Transmitter
Encode Board for COFDM Wireless Video Transmitter
- Ultra-low latency H.265/H.264 audio and video encoding, maximum support for [email protected] real-time audio and video capture encoding
- Mini HDMI or AV audio and video input, encoded after the Ethernet port output or output to the 矽Hida wireless transmission module, the video encoding rate can be dynamically configured through the serial port
- Support audio input and audio decoding output
- Supports two channels of video simultaneous input coding (option)
Feature
This Encode Board implements H.265/H.264 audio and video compression coding, supports up to [email protected] encoding, and is backward compatible with other various resolution and frame rate encoding.
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- Audio and video input
- Mini HDMI interface (audio + video): 1080 60P, 1080 50P, 1080 30P, 1080 25P, 1080 60I, 1080 50I, 720 60P, 720 50P, 720 30P, …, various modes of adaptation;
- AV in interface (audio + video): 720×480 60I (NTSC), 720×576 50I (PAL), mode adaptive. When inputting audio through the AV interface, it can be either Line-in or Microphone in.
- After the system is powered on, the audio and video input source is automatically detected. The default audio input is the same as the video input interface. The audio input interface can also be configured through the configuration of the serial port. When the HDMI and AV audio and video sources are connected at the same time, the system preferentially captures the HDMI audio and video source by default. The signal is encoded, and the audio and video source collection interface can also be configured through the configuration serial port, and the audio and video source collection interface can be dynamically switched through the serial port command during system operation.
Video coding: H.265 or H.264 format, the code rate can be configured through the configuration serial port.
Audio coding: AAC coding.
- Audio output (Speaker interface)
This Encode board can be connected to the speaker through the Speaker interface to decode and play the input audio when docking the other two-way wireless transmission module RCD or other bidirectional links. - Ethernet port (Ethernet interface)
Supports docking with another wireless transmission module, or other two-way wireless links. - Wireless transmission interface (FPC_Main interface)
It can be connected to the other COFDM wireless transmission module RCA, RCB, etc., and can also be connected to another two-way wireless transmission module RCD. - Data serial port (Data-UART)
TTL 3.3V level, transmission baud rate and other parameters can be configured through the configuration of the serial port. When this Encode board is connected to another wireless transmission module, the data serial port is used for one-way transparent data transmission. - Parametric serial port (CFG-UART)
TTL 3.3V level can be connected to another parameter configuration panel or another host computer, used to configure the operating parameters of this Encode board system. Please contact us for detailed matching agreement. - USB Host interface Software upgrade maintenance.
- Supply voltage
Support power supply reverses connection protection, support power input range of 7~24V. Provide a 5V power output interface. The maximum operating power of this Encode board is 2.28W (1080P60 H.265 encoding), and the maximum current is 190mA when the 12V power supply is working. - Indicator light
Power indicator, video signal detection lock indicator, video coding work indicator. - Board size
70*45mm (excluding the size of the interface device extending from the edge of the board), the board thickness is 1.2mm, the height of the back component is less than 2mm, and the height of the front component is less than 4mm (when the power input does not use PH2.0 carrier, the power input PH2. 0 seat height is less than 5mm). - Board weight
This Encode board weighs 15.5 grams.
- Audio and video input
Interface Define
Power and indicator
The power input interface is a 2PIN 2.0mm pitch female. Two pairs of 2PIN power supply holes are reserved on the board. One pair of power supply holes are directly connected to the power input signal, and the other pair of power supply holes are exposed after anti-reverse protection. This Encode board also provides a 5V power output interface, which is convenient for the user to supply power to the cooling fan when needed. The figure below shows the power pin signals and indicators.
LED1: Power operation indicator, always on after power-on;
LED2: Video signal detection lock indicator light, this Encode board will automatically lock after detecting the video source. If the LED is not lit, the system fails to collect the video source.
LED3: Video coding work indicator, flashing during normal operation.
AV Interface, Serial port, USB port, Ethernet port, audio output interface
- AV-in: Analog audio and video input interface, 6PIN 1.25mm pitch carrier, audio support Mic in or Line-in input.
ML (Mic in light), audio Mic input left channel;
MR (Mic in right), audio Mic input right channel;
LL (Line-in light), audio Line in left channel;
LR (Line in right), audio Line in the right channel;
GND, signal ground;
AV, analog video input. - CFG-UART: equipped with a serial port, 4PIN 1.25mm pitch carrier, used for this Encode Board parameter configuration, can be connected to Haida parameter configuration panel or another upper computer. See the above figure for each PIN pin signal.
- Data-UART: Data serial port, 3PIN 1.25mm pitch carrier, transmission baud rate and other parameters can be configured through the configuration of the serial port. When this Encode board is connected to another wireless transmission module, the data serial port is used for one-way transparent data transmission. See the figure above for each PIN pin signal.
- USB interface: 4PIN 1.25mm pitch carrier for This Encode Board software upgrade maintenance.
- Speaker: 2PIN 1.25mm pitch carrier, This Encode Board can be connected to the speaker through the Speaker interface. When this Encode Board is connected to the Haida two-way wireless transmission module RCD or other bidirectional links, the input audio is decoded and played, and output to the speaker. PIN foot signal:
- SP: Speaker out-P
- SN: Speaker out-N
- Ethernet: Ethernet interface, 4PIN 1.25mm pitch carrier, refer to the above figure for each PIN pin signal. Usually, the connector is not soldered when shipped by default.
Application
It can be assembled with another COFDM modulation module RCA, RCB, RC900, etc. to form COFDM transmitters with different functions, and the connection interfaces are all FPC_Main (26PIN flat cable).
It can also be assembled with another two-way wireless transmission module RCD stack to form a two-way wireless transmission video transmitter, and the connection interface is also the FPC_Main interface.
It can be connected to the parameter configuration panel (SconA, SconB, SconC, etc.) through the CFG-UART interface to set the operating parameters.
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FAQs about Wireless Video Transmitter and Receiver
1. What types of video inputs port does your wireless video transmitter have?
Our wireless video transmitters have these types of video input interfaces: HDMI 1080P and 4K HDMI, CVBS composite, SDI, AHD, IP Ethernet, BNC, or tell us what type do you need, our engineer will modify to meet your demand.
2. What is the transmission distance supported by your wireless video transmitter?
Our transmission distance can be adjusted by adding power amplifiers. At present, the main ones are 15km, 30km, 50km, 80km, 100km , and 150km, which depend on the needs of customers.
Of course, the transmission distances listed above are all within LOS the line-of-sight range. If there are obstacles between the transmitter and the receiver, NLOS (the non-line-of-sight), the transmission distance is greatly reduced, only 1km or 2km, depending on the number of intermediate obstacles and the local wireless environment.
3. What is one-way or two-way? Simples vs half-duplex, full-duplex
One-way means, We can only transmit and download video or data from the wireless video transmitter to the receiver in one direction, and we cannot upload video or data from the receiver to the transmitter. This type is also called simplex.
Two-way means that, not only we can download video or data from our wireless transmitter to the receiver, but also we can upload the video or data from the receiver to the transmitter. This is very suitable for operating drones. You can not only see the real-time video transmitted from the drone, but also upload the command to control the drone or the command to control the PTZ camera to adjust the angle to the transmitter. This can operate simultaneously. This type also named half-dulpex or full-duplex.
Please check the details at the below link. https://ivcan.com/request-a-quote-of-wireless-video-transmission/#simplex
4. Does your HDMI video transmitter support encryption and receiver decryption?
Most Wireless video transmitters now support AES128 or AES256 bit encryption and decryption, depending on which model you choose. Please contact us to verify.
5. Can the frequency of the wireless video transmitter be modified after ordinary users receive the goods?
The frequencies of both the wireless video transmitter and the wireless video receiver can be modified. Users need to purchase additional parameter configuration boards.
However, considering that the corresponding power amplifier and antenna are already fixed within a certain range when the goods are sent out. If the user adjusts the frequency of the transmitter, the corresponding power amplifier, transmitter antenna and receiver antenna should also be modified to the same frequency, and these users need to be prepared. If not, it will cause the frequency of the wireless video transmitter to be different from the frequency of the antenna, making reception difficult. So please be sure to inform the correct frequency you need before placing an order.
If it is for security or confidentiality, you can use the encryption and decryption functions of the transmitter and receiver, which can ensure that your video transmission is private. .
6. I saw that your model is very similar to my needs, but I need to modify one of the parameters, is that possible?
Yes, all our product parameters can be customized according to customer's needs. If you have a special request, please let us know via the link below.
https://ivcan.com/request-a-quote-of-wireless-video-transmission/
7. What should I do if my wireless video receiver shows a weak signal?
- Change the place of the receiver to avoid potential local interference from strong magnetic environments.
- Ensure that the antennas on both the transmitter and receiver are vertical.
- Please raise the antennas of the transmitter and receiver to maintain a certain height difference.
- Please look around to ensure that there are no obstacles between the transmitter and receiver.
- Change the orientation of the receiver antenna.
- If it doesn't work, try moving the receiver to be near the transmitter's position to see if it exceeds the effective wireless transmission distance.
- Or consider adding a relay of the transmitting between the transmitter and receiver.
- The antenna should be as high off the ground as possible, as the ground will absorb the transmitted signal.
8. Can I buy modules of the transmitters and amplifiers only? I want to assemble them into my equipment.
We can, of course, supply wireless video transmitter modules and power amplifiers.
For the first sample test, I recommend that you purchase the entire set of products because our engineers have optimized the parameters to achieve the best performance.
After you have completed your test verification, you can remove the case or heat sink, install it in your device, and constantly adjust the parameters to achieve the best performance. In the future, you will be able to purchase only the modules or accessories that you require.
9. Can you take a test video for me to see before shipping?
Of course, we also understand that wireless video transmission transmitters and receivers are very expensive. You are far away from the China factory. and hope that the goods you receive are fit for the best performance.
If you pay special attention to a specific parameter or function, we can take some test videos based on the features you want to see, please feel free to contact us. It won't be shipped to you directly without your approval.
10. How to test the latency of wireless video transmitters and receivers?
To test the delay of the wireless video transmitter and receiver, we need to do two tests.
The first is to test the delay from the camera to the display.
The second is the camera, plus the display plus the wireless image transmission transmitter and the delay of the receiver.
Subtracting the two test results is the real delay of the wireless video transmitter and receiver.
As a professional long-range HDMI wireless video transmitter and receiver supplier and manufacturer in China Shenzhen, we produce the best wireless video transmitter and receiver for many years, and we got a good reputation and best reviews.
Some famous brands of wireless video transmitters, like Blackmagic, Holyland mars 300 400s, Accsoon cine eye 5g, RavenEye, Zhiyun, Inkee benbox, actiontec, CVW SWIFT 800, dahua, iogear, Artek pat-225k, microlite, nyrius, teradek.
The best budget wireless broadcast video transmitter and the receiver have many applications, for 4K tv, CCTV security camera, vehicle backup camera, PTZ video camera kit, battery-powered, computer, sony camcorder, wifi video conference system, CANON DSLR, UAV drone, pc computer laptop, projector, in-car, iPhone iPad, live streaming, GoPro sports camera, raspberry pi, Xbox.
The full HD video, audio, data link smallest 1080P wireless video transmitter and the receiver has many input and output connectors, like AV composite CVBS, HDMI, SDI, BNC, VGA, USB.
The wireless video transmitter sender TX RX frequency has 170-806Mhz, 1.2ghz, 2.4G, 5.8G, lowest but not zero latency. In order to support longer distances, the power amplifier has 10w, 20watts, and even 30W.
What is a best buy FHD wireless video transmitter at a cheap price? It should consider your details requirement, choose suitably, not expensive, if you have any doubt, please fulfil the request a quote form, our engineer will offer you a solution.
