In order to better show our customers the actual support distance and use the effect of the 2W PA 30km long-distance image transmission transmitter and receiver, we conducted an actual test recently and found a Meisha Peak, from here to the seaside of Nan’ao, The distance is 27 kilometers. This site passes through Dapeng Bay, the line of sight is visible, and there are no obstructions. It just simulates the use of the transmitter in the air and the receiver on the ground.
Table of Contents
How to choose the best long-range video transmitter and receiver?
Please consider the below points before you buy. Here are some tips for you.
1. Transmission distance from the transmitter and receiver. The further the distance, the larger the power amplifier required; the larger the power amplifier, the higher the battery capacity requirement. Therefore, you need to determine the wireless transmission distance according to your own project or drone.
2. LOS or NLOS, Is there any obstacle between the transmitter and receiver? All the transmission distances mentioned on this site are based on the LOS environment. If your use environment is NLOS, you need a larger power amplifier to have stronger diffraction and penetration capabilities. Also, consider placing a relay repeater module in the middle.
3. One-way or two-way transmission type? One-way is like TV or radio, you can get the video or data at the receiver only, and two-way like mobile phones and the internet, you can get living video and send data or joystick control commands to the transmitter’s camera from the receiver side remotely. Two-way has a downlink and an uplink both.
4. PA, Power Amplifier, it is a signal enlarger, for example, 1 watts, 2 watts, 5 watts, 10 watts, 20 watts, big PA support longer range and strong signal to Anti-jamming. When choosing a power amplifier, you also need to consider power consumption, which will also increase the capacity of the battery.
5. Antenna, A longer and bigger antenna will offer you better signal sensitivity. Omnidirectional FRP fiberglass antennas or automatic antenna tracking pan/tilts are recommended.
6. UART control, Do you need to send the AT command from the computer or portable tablet receiver via uart?
Please check the below link for more details.
https://ivcan.com/request-a-quote-of-wireless-video-transmission/
Or WhatsApp us to get free support.
Test Map measured 27km from the transmitter to the receiver
27 KM Test Video on YouTube
Features for drone long-range video transmitter and receiver
1. Based on OFDM technology, an IP RJ45 camera (HD camera with ethernet) is recommended.
2. Two-way broadband wireless link equipment supports 30Mbps. (The receiver can get the audio-video download, it also can upload the data to the receiver)
3. Interface: 2X Ethernet ports, 3X RS232 serial ports, audio input-output (More control operation) If your camera is HDMI output, then it needs an extra encoder device, which can encode the HDMI video and audio signal to digital data to this transmitter. At the receiver, it can connect your computer or NVR directly, if you need the output to an HDMI monitor, then it also needs an extra decoder device to encode the digital data to HDMI video and audio signal.
4. Dual antennas: SMA connector. ANT1 is the main antenna to work in transmitter mode, and the ANT2 is the auxiliary antenna to work in receive mode.
5. Wireless working frequency band: 1428~1448MHz (1.4G) or 806~826MHz (800Mhz) or 2.4Ghz, support automatic frequency hopping in the frequency band (FHSS).
6. Wireless bandwidth: 3MHz, 5MHz, 10MHz, 20MHz, all nodes share the working bandwidth, and the maximum sharing rate of the system is 30Mbps.
7. Modulation mode: QPSK/QAM16/QAM64 automatic adaptation. Networking mode: point-to-point, point-to-multipoint star network, IP mesh networking, or relay networking. (like up to 6 cameras and transmitters to one receiver application.)
8. Wireless transmitting power: 2-watt, 5-watt, 10-watt power amplifier.
9. Node receiving sensitivity: -103 at 10MHz bandwidth.
10. Support AES128 encryption and decryption.
11. Transmission distance: 15km/30km/80km/150km range optional.
12. The device configuration and wireless working status can be viewed through the Web UI of the network port or the serial port.
13. Power supply: DC24~30V, 28V power supply is recommended, the maximum average power consumption is less than 1.4A@28V, and the instantaneous peak power supply requirement can reach 2.8A@28V.
14. Size: 124*67.8*28.5mm (excluding the connector extending out of the shell, etc.).
15. 27 KM long-range wireless video transmitter receiver Weight: 250 grams
One of our clients bought our 2W PA (Power Amplifier) with 30km, up to 150km wireless video transmitter and receiver, but we can not find a 30km Line of sight place to test in our city, there are many high buildings. But luckily we found a place called Meishajian Peak, which is about 27 kilometers from the top of the mountain to the seaside.
About Meishajian, please check the below two links.
https://www.trip.com/travel-guide/attraction/shenzhen/meishajian-45198174/
Although the client chose a 2W-PA 30km transmission distance transceiver system, the test video is only 27km, So it is a 27 KM long-range wireless video transmitter-receiver.
Let us show you the transmitter and receiver first.
To show you clearly, we put the devices on one top and one bottom side for you.
There is two SMA antenna. ANT1 is the main antenna and works in transceiver mode. ANT2 is an auxiliary antenna that works in receive mode.
There are 2 pieces of RJ45 ethernet input and power input. There is an Audio input and output connector, and the connector is three pieces of RS232 for UART data communication.
Before delivery, we take it out for testing and a live demo. It is hard to find a good place to test in our super large city, which needs 30km without obstacles. In this testing we have two teams, one team takes the IP camera and transmitter to the top of the mountain (Meishajian Peak), and another team takes the receiver and computer to the seaside (Nan’ao).
Where is the Air Unit Transmitter and Camera?
We put the transmitter, camera, and rechargeable battery on the rock.
On the map, we can see the distance measurement is 27.85km.(17.30 miles)
At the top of the mountain, the weather is bad and full of fog.
Here I use our last time demo video to show you our position and environment.
It was a sunny day, it was easy to watch the seaside.
Hope you see where are the transmitter and camera now.
That time we were at the top of the mountain to test another composite CVBS video transmitter COFDM-912T.
It also tested and passed 26km from the transmitter and receiver.
Today The set we tested is a long-range video data link system on the base of OFDM, which means the transmitter and receiver are the total same and support RJ45 IP web camera video input via ethernet connector.
If your camera has HDMI output, then it needs an extra HDMI encoder IP RJ45 output board, which can encode the HDMI video and audio signal to digital data to this transmitter.
At the receiver, it can connect your computer or NVR directly, We used a notebook computer monitor as the receiver screen, RTSP player, or VLC player to play the living video streaming from the transmitter and camera.
This model Networking mode support point-to-point and point-to-multipoint star network.
Point to point means one transmitter and one receiver, Point to multipoint means up to 6 cameras from the different transmitters and one receiver at the Security monitoring center.)
They are two-way broadband wireless video data audio links, the receiver can get the audio and video download, and it also can upload the data to the transmitter, for example, some people need to control the PTZ camera via the joystick from the receiver.
Where is the Ground Unit Receiver and Computer (ground control station)?
At the receiver position, which is at the seaside, we use the two fiberglass antennae as the receiver’s antenna. Because the wireless video receiver supports RJ45 output, we can connect it by computer directly, with no need HDMI monitor.
The link and operation are very simple.
Now we will show you the video of the computer, it is from the computer recording screen software.
At the parameter of transmitter and receiver, there are two data in red, which shows the signal strength. Another import parameter shows the distance between the transmitter and the receiver.
This distance is calculated based on the time when the receiver sends some packets to the transmitter and receives their response from the transmitter.
Now we will show you the transmitter and receiver working details. The transmitter IP address is 192.168.1.12 and the receiver IP address is 192.168.1.11.
If you have any questions about our 27 KM long-range wireless video transmitter receiver, please feel free to contact us. I will show you the details in the next video.
What can you operate at the Web UI?
Do you want to see a 110km Real Test video?
Which model supports 150km?
Long-Range Wireless Video Transmitter and Receiver for camera datasheet download
Typical Applications and Usage Scenarios
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Latest 2W Power Amplifier 27 KM Long-Range Wireless Video Transmitter and Receiver – Live Demo and Field Test
In order to provide our customers with a clear understanding of the actual performance and supported distance of our 2W Power Amplifier (PA) long-range wireless video transmitter and receiver, we recently conducted a live field test. The test site was Meishajian Peak, with a line-of-sight distance to the seaside of Nan’ao measuring approximately 27 kilometers. This environment provided a perfect simulation for airborne video transmission, with the transmitter placed on the peak and the receiver located on the ground by the coastline. The path passes over Dapeng Bay, offering a clear line-of-sight with no obstacles, which is ideal for evaluating the system’s performance under real-world conditions.
The test setup included a two-way broadband wireless video link supporting 30Mbps, with the transmitter connected to an IP RJ45 camera. For HDMI output cameras, an additional HDMI encoder board is required to convert video and audio signals into digital data suitable for transmission. The receiver connects directly to a computer or NVR, with optional HDMI output using a decoder device. The system supports point-to-point and point-to-multipoint star networking, allowing up to six cameras from separate transmitters to connect to a single receiver, making it ideal for security monitoring, UAV applications, or live video broadcasting.
The transmitter is equipped with dual SMA antennas: ANT1 as the main transceiver antenna and ANT2 as an auxiliary receive antenna. Wireless frequency options include 1428–1448 MHz (1.4G), 806–826 MHz (800M), or 2.4 GHz, with automatic frequency hopping (FHSS). Modulation adapts automatically between QPSK, QAM16, and QAM64 depending on signal conditions, while AES128 encryption ensures secure transmission. The device is powered by DC 24–30V, with peak instantaneous power reaching 2.8A at 28V, and a compact form factor of 124 × 67.8 × 28.5 mm. The transmitter and receiver together weigh only 250 grams, making them highly portable for UAV and mobile applications.
During the live test, the transmitter, IP camera, and battery were positioned on Meishajian Peak, while the receiver and computer were placed by the seaside. Despite foggy weather during the test, the system successfully transmitted live video over the full 27 km distance, demonstrating stable signal strength and reliable two-way communication. Signal parameters, including distance and strength, were visible via the Web UI, which allows users to monitor and configure device settings in real-time.
This demonstration proves the reliability of our 2W PA long-range video transmission system for professional UAV operations, search and rescue missions, marine applications, surveillance, and other demanding scenarios. For customers requiring even longer ranges, our systems support 15 km, 30 km, 80 km, and up to 150 km with higher-power PA options, and we provide full technical support and consultation to ensure the optimal setup for any project.
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