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Wireless Video Transmission
HD digital wireless image transmission transmitter ST220
HD digital wireless image transmission transmitter ST220 built-in coding board、COFDM modulation module、Small size PA power amplifier module，The whole machine adopts CNC aluminum alloy shell，small volume，Other standards can be customized，High transmission resolution，Long launch distance。
- COFDMmodulation。
- H265/H264 video encoding，Default up to 1080P/I @60fps。
- AES256 encryption。
- Support non-line-of-sight high-speed mobile transmission。
- center frequency、Configurable convolutional coding ratio、Transmission stream, etc. can be configured。
ST220Main technical specifications
| Connectors use waterproof aviation plugs and connector insertion view | |
| HD video input | Standard HDMI interface |
| SD video input | 4PIN 1.5mm pitch connector |
| One-way transparent data transmission serial port | 3PIN 1.5mm pitch connector，The default shipment is TTL3.3V level。It can also be specified to be set to standard RS232 level when shipped。 |
| Configure serial port | 4PIN 1.5mm pitch connector，TTL3.3V。Can be connected to SconA/SconB/SconC parameter panel，Can also be connected to a PC or other host computer |
| power input | XT30PW-M connector |
| Antenna Interface | SMA male thread inner hole |
| wireless modulation transmission | |
| wireless modulation | COFDM |
| Configurable convolutional coding ratio | 2K |
| Configurable convolutional coding ratio | 1MHz~8MHz adjustable，1Configurable convolutional coding ratio |
| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
| Guard interval | 1/32, 1/16, 1/8, 1/4 |
| Constellation | QPSK, 16QAM, 64QAM |
| wireless stream | 0.5Only one of HDMI and SDI input can be selected |
| Working frequency | Optional operating frequency band： 300~360MHz；350~400MHz；450~500MHz；520~560MHz； 580~620MHz；680~720MHz；820~860MHz。 200Other operating frequency bands between ~860MHz can be customized。Center working frequency can be configured，Step 1KHz。 |
| Transmit power | 1W(30dBm)or 2.5W(34dBm) |
| Audio and video processing | |
| Support video input | The default single-channel video input encoding transmission：HD or SD。Automatically detect video input after power on。If connected at the same time，The device defaults to the preferred HDMI input，Can also change configuration to preferred AV input。 Optional dual video input simultaneous encoding and transmission。 |
| Supported video formats | 1080Other ranges available from 200~860MHz, 1080Other ranges available from 200~860MHz, 1080Other ranges available from 200~860MHz, 1080Other ranges available from 200~860MHz, 1080Other ranges available from 200~860MHz, 1080Other ranges available from 200~860MHz, [email protected] 50I, 1080Other ranges available from 200~860MHz, 720Other ranges available from 200~860MHz, 720Other ranges available from 200~860MHz, 720Other ranges available from 200~860MHz, …… 720*480 60I(NTSC), 720*576 50I(PAL) |
| video encoding | H265 or H264 |
| audio input | HDMI embedded audio or analog audio |
| audio format | AAC, 16bit, stereo, 32Other ranges available from 200~860MHz |
| Encryption | Other ranges available from 200~860MHz |
| size | 104.5*50*27mm(Excludes protruding interface devices、Shell fixing hole) |
| weight | less than 140 grams |
| Power and Power Consumption | DC 12V power supply (11~13V) 1W transmit power The power consumption of the whole machine is less than 15W，2.5W transmit power The power consumption of the whole machine is less than 23W。 |
ST220 transmitter can be matched with SR300 receiver、SR110 receiver、SR200 receiver use。When ST220 transmitter and SR300 receiver wirelessly transmit H265 video point-to-point，Video delay is generally between 200~300ms(Does not include the camera's own delay)。ST220 transmitter with SR110 receiver，When transmitting in H264 low-latency mode，Video delay is generally between 50~130ms(Does not include the camera's own delay)。
ST220Transmitter interface signal
ST220 transmitter
AV input interface：
SD input interface，4PIN 1.5mm pitch socket，Audio supports Mic in or Line in input(Specified at the factory)。PAL or NTSC format can be set through the parameter panel。
| PIN | illustrate |
| AL | Audio input left channel |
| WITH | Audio input right channel |
| GND | Signal area |
| OF | Analog video input |
CFG interface：
Configure serial port(Control-uart)，4PIN 1.5mm pitch socket，TTL 3.3V level。The 5V signal is used to supply power to the reference panel when it is connected to the reference panel。
Data interface：
One-way transparent data transmission serial port(Data-uart)，The serial port data will be unidirectionally transmitted to the data serial port of the corresponding receiver through the COFDM wireless link。3PIN 1.5mm pitch socket，The default shipment is TTL 3.3V level，It can also be specified as a standard RS232 level serial port when shipped。
work indicator：
| logo | indicator light | illustrate |
| P | Power LED | Power working indicator，Red，Always on after power on。 |
| T | Link LED | Wireless transmit indicator，green，Blinks when transmitting data |
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Transmission Distance
PA Power Amplifier Inside
Flight Control Protocol
Transmitter Video Input
Wireless Transmit Method
Obstacle and Sight
Encrypt and decrypt
Transmission Carrier
Data Direction
For
Frequency
Application Place
Feature
Antenna
Countries Sold
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/
8. 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.
9. 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.
10. 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.
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, swallow, teradec.
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.