Nýjasta þráðlausa myndbandsgagnaprófunarmyndbandið fyrir hljóðsendi og móttakara 2022
Þráðlaus myndgagnahljóðsendir og móttakari TX900 2 Watts 27km prófunarmyndband frá fjallstoppi að ströndinni. (Myndband inni)
Þráðlaus myndgagnahljóðsendir og móttakari, Tvíhliða, Download-Upload
A customer saw our real test video about the 2 wött aflmagnari 27km langdrægur þráðlaus myndsendir og móttakari. He placed an order for this equipment. He hoped we would also bring the transmitter to the top of the mountain and the receiver to the seaside for testing before shipment. We have done our best to meet the needs of the customers. So we did it and created today’s video. If you want to learn about the actual transmission effect of long-range HD 1080P wireless video transmission, as well as how to operate it. Please keep watching.
Let’s begin by looking at the test location and distance on Google Earth. Search Meishajian, which is located on Shenzhen’s third highest peak, for no obstructions and simulate the situation of an aircraft with a transmitter in the air, ensuring that the test is within the line of sight. There are many high-rise buildings in a coastal city like Shenzhen. Finding a test environment with a line of sight and a distance of 30 kilometers is difficult. A T-shape is formed from here to the seaside of Nan’ao. Our receiving station is on the beach, and we can see the top of the transmitter from a distance of 27 kílómetra.
We used the good distance tool to determine that the distance between the transmitter and the receiver is nearly 27km. In the following video, we can see from the receiver’s web UI page that the current transmitter to receiver distance is 27390 metrar.
Now let’s take a look at the situation of the transmitter on the mountain. The transmitter, IP network camera, and battery are placed on the rock. The trekking pole and red bubble belt make a red flag, which is fluttering in the wind so that the picture on the receiver screen is not static, it can be observed whether the wireless transmission video is smooth. The receiver is on the other side of the sea. The black transmitter is connected to two 30cm height transmitting antennas, the left part is the IP network camera, which is connected to the transmitter with a network cable, and the right part is a 12V battery, which powers the transmitter and the IP network camera.
Please try to position the transmitter and receiver vertically while transmitting. The signal strength will then be strong. Allow me to turn the transmitter and receiver in my hand, and the receiver monitor video will begin to move. The receiver will determine whether or not the video is smooth.
Now let’s take a look at the picture of the receiver.
The receiver is connected to the computer through the network cable. We can use the RTSP player on the computer and see the smooth picture directly.
We can also enter 192.168.8.11 in the browser to open the setting page of the receiver. On this parameter setting page, we can see various parameters of the current transmitter and receiver. An important parameter in this table is the distance and the signal strength. Now we can see that from the current transmitter to the receiver distance is 27390 metrar.
In the computer’s RTSP player, we can see that the wireless video transmission picture from the mountain transmitter has been kept very smooth, and the little red flag and the grass are fluttering in the wind without any lag, frozen, mosaic.
We are using an IP network camera to test, if your camera has HDMI 1080P, 4K HD, SDI, AHD, or CVBS output, we also can add an encoder to the transmitter, connect your video output, and send out the IP living streaming to the transmitter. Við móttakarann, output the video to a computer through a network cable, or to a network video recorder.
It can be seen that the picture is very smooth,
Here we continue to play the videos recorded by the transmitter and receiver on the computer, and we can also answer some questions that some clients care about and always asked.
Two-Way full duplex Wireless Video Data Audio Transmission
Fyrst, this set of wireless video data transmission transmitters and receivers is a two-way full duplex transmission system, it is like setting up an invisible wireless network in the air, two computers can be connected, and ping can be used in the computer’s cmd command state. In addition to transmitting video, data and audio can also be transmitted.
Power Amplifier options 2W, 5W, and 10W to support longer distance
Í öðru lagi, if you want to support longer distances, we can achieve longer distances by changing different amplifiers. Til dæmis, 300mW, 2 Watts, 5 Watts, 10 Watts power amplifier, the corresponding transmission distance is 7 km, 15 km, 30 km, 80 km, 100 km, the farthest can be transmitted to 150 km, we also have a 110 km The actual test video. If you are interested, I can also edit it and upload it for everyone to watch.
Up to 150Km, 4 times of English Channel Width
Þriðja, what is the concept of supporting up to 150 kílómetra? It is equivalent to 93 mílur. The UK is separated from Europe by the English Channel, and its width is only 35 kílómetra, that is, 150 kilometers is equivalent to the width of 4 times English Channels. It can also transmit high-definition videos with good signals.
Video Download, UART Data TX RX,
Í fjórða lagi, if you need to control the PTZ camera, the receiver can also send control commands to adjust the direction and movement of the camera. This set of Wireless video data transmission transmitters and receivers also has three RS232 data interfaces, which can transmit various commands and data, and even connect with the drone’s flight control to remotely operate the drone.
AES 128 to protect video data safety
Fifth, this wireless video transmission device also supports aes128 for video encryption and decryption, so you don’t have to worry about your video, not safety, or being intercepted by others.
Two-Way Video Data Link Module + Power Magnari
Sixth, Today we used 2 watts power amplifier. If your project demand, you can also purchase the two-way Wireless video data audio transmission transmitter and receiver module, and then configure your power amplifier.
1. What battery should I prepare for this 2 Watts, 5 Watts 10 Watts Power Amplifier transceiver?
2 Watts needs a 12V Power Supply, 5 Watts needs a 24V power supply, 10 Watts needs a 28V power supply
2. Varðandi myndbandsendi, hvaða tíðni er í boði?
There are three frequencies to choose from 800Mhz, 1.2G, og 2,4G.
En það er enginn 10W kraftmagnari fyrir 150km á 2,4Ghz. So if the buyer wants to support a 150km transmission distance, only 800Mhz and 1.2G can be chosen.
3. Geturðu tekið prófunarmyndband fyrir mig til að sjá áður en þú sendir?
Auðvitað, við skiljum líka að þráðlausir myndbandssendingar og móttakarar eru mjög dýrir. Þú ert langt í burtu frá Kína verksmiðjunni. og vona að vörurnar sem þú færð henti fyrir bestu frammistöðu.
Ef þú gefur sérstakan gaum að ákveðinni færibreytu eða aðgerð, við getum tekið nokkur prófunarmyndbönd byggð á þeim eiginleikum sem þú vilt sjá, vinsamlegast ekki hika við að hafa samband við okkur. Það verður ekki sent beint til þín án þíns samþykkis. Alveg eins og í dag, I tested and show the video to my client.
4. Get ég notað eina 3 metra RF snúru frá sendinum að loftnetinu?
Varðandi RF snúruna, our engineer doesn’t recommend that you used so long. Það verður minnkuð 0,5dB fyrir eins metra RF snúru. Fyrir 3 metra RF snúru, merkisstyrkurinn minnkar um 1,5dB.
5. It seems that your transmitter is supporting an IP camera, but my video source camera is HDMI or SDI video output, Hvernig get ég notað þennan sendi og móttakara？
Já, sjálfgefið myndbandsinntak er IP RJ45 ethernet pottur, if your camera is HDMI or SDI or AHD, bara plús einn lítill kóðarabox til að leysa þetta vandamál, this encoder box will output IP living stream to the transmitter.
6. Hvaða gerðir af myndinntakstengi hefur þráðlausa myndsendirinn þinn?
Þráðlausu myndbandsendarnir okkar eru með þessar gerðir af myndbandsinntakstengi: HDMI 1080P og 4K HDMI, CVBS samsett, SDI, AHD, IP Ethernet, and BNC, or tell us what type you need, and our engineer will modify it to meet your demand.
7. Hver er sendingarfjarlægðin sem þráðlausa myndsendirinn þinn styður?
Hægt er að stilla sendingarfjarlægð okkar með því að bæta við aflmagnara. Sem stendur, the main ones are 15km, 30km, 50km, 80km, 100km, og 150 km, sem fer eftir þörfum viðskiptavina.
Auðvitað, the transmission distances listed above are all within LOS the line-of-sight range. Ef hindranir eru á milli sendis og móttakara, NLOS (ekki sjónlínan), flutningsfjarlægðin minnkar verulega, aðeins 1km eða 2km, fer eftir fjölda millihindrana og staðbundnu þráðlausu umhverfi.
8. Hvað er einhliða eða tvíhliða? Einfalt vs hálf tvíhliða, fullt tvíbýli
One-way means, Við getum aðeins sent og hlaðið niður myndbandi eða gögnum frá þráðlausa myndsendi til móttakarans í eina átt, og við getum ekki hlaðið upp myndskeiði eða gögnum frá móttakara í sendi. Þessi tegund er einnig kölluð simplex.
Two-way means that, ekki aðeins getum við hlaðið niður myndskeiðum eða gögnum úr þráðlausa sendinum okkar í móttakarann, en einnig getum við hlaðið upp myndskeiðinu eða gögnunum frá móttakaranum yfir á sendinn. Þetta er mjög hentugur fyrir rekstur dróna. 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. Þetta getur starfað samtímis. This type is also named half-duplex or full-duplex.
9. Styður HDMI myndsendir þinn dulkóðun og afkóðun móttakara?
Most Wireless video transmitters now support AES128 or AES256 bit encryption and decryption, eftir því hvaða gerð þú velur. Vinsamlegast hafðu samband við okkur til að staðfesta.
10. Er hægt að breyta tíðni þráðlausa myndsendisins eftir að venjulegir notendur hafa fengið vörurnar?
The frequencies of both the wireless video transmitter and the wireless video receiver can be modified. Notendur þurfa að kaupa fleiri færibreytustillingartöflur.
þó, miðað við að samsvarandi aflmagnari og loftnet eru þegar fast innan ákveðins sviðs þegar varan er send út. Ef notandi stillir tíðni sendisins, the corresponding power amplifier, sendandi loftnet, and receiver antenna should also be modified to the same frequency, og þessir notendur þurfa að vera tilbúnir. Ef ekki, það mun valda því að tíðni þráðlausa myndsendisins verður frábrugðin tíðni loftnetsins, gera móttöku erfiðar. Svo vinsamlegast vertu viss um að upplýsa rétta tíðni sem þú þarft áður en þú pantar.
Ef það er til öryggis eða trúnaðar, you can use the encryption and decryption functions of the transmitter and receiver, sem getur tryggt að myndbandssendingin þín sé einkarekin.
11. Ég sá að líkanið þitt er mjög svipað þörfum mínum, en ég þarf að breyta einni af breytunum, er það hægt?
Já, all our product parameters can be customized according to customers’ needs. Ef þú hefur sérstaka beiðni, Vinsamlegast láttu okkur vita.
12. Hvað ætti ég að gera ef þráðlausa myndmóttakarinn minn sýnir veikt merki?
1. Change the place of the receiver to avoid potential local interference from magnetic solid environments.
2. Ensure that the antennas on both the transmitter and receiver are vertical.
3. Please raise the antennas of the transmitter and receiver to maintain a particular height difference.
4. Please look around to ensure that there are no obstacles between the transmitter and receiver.
5. Change the orientation of the receiver antenna.
6. 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.
7. Or consider adding a relay of the transmitting between the transmitter and receiver.
13. Get ég keypt einingar af sendum og mögnurum eingöngu? Ég vil setja þau saman í búnaðinn minn.
Við getum, auðvitað, supply wireless video transmitter modules and power amplifiers.
Fyrir fyrsta sýnishornsprófið, Ég mæli með því að þú kaupir allt sett af vörum vegna þess að verkfræðingar okkar hafa fínstillt færibreyturnar til að ná sem bestum árangri.
Eftir að þú hefur lokið prófunarstaðfestingunni þinni, þú getur fjarlægt hulstrið eða hitavaskinn, install it on your device, og stilla stöðugt breytur til að ná sem bestum árangri. Í framtíðinni, þú munt aðeins geta keypt þær einingar eða fylgihluti sem þú þarft.
14. To support longer distances, can I use a 10 Vött eða 20 Watts PA (pa-afl-magnari-cofdm-dvb-t-tx-sendir-1w-2w-5w-10w-20w-30w)?
Já, ef þú þarft, we can change 10 Vött eða 20 Watts PA to support a more extended range.
If you still have any questions, vinsamlegast ekki hika við að hafa samband við okkur!
15km 30km 80km 150km þráðlaus þráðlaus myndsendi móttakari sendandi senditæki PA 2W 5W 10W
15km 30km langdrægar þráðlausar myndbandssendingar móttakara senditæki
15km 30km 80km 150km long-distance wireless video transmitter-receiver transmission transceiver
Efnisyfirlit
selja Stig / Features / Advantage
Sambandsstyrkur
Receiver screen can show the signal strength of the transmitter, notendur geta fært betri móttökustað.
Video + gögn + stjórn
Except for video, it also supports two-way transfer of data and control commands via the UART between the transmitter and the receiver.
neðri Leynd
From the receiver’s computer screen snap, við getum séð núverandi sendingartíma / seinkun er 28-76ms (millísekúnda). details
Bandbreidd Forstillanleg
Sendingarbandbreiddin getur verið frambærileg við 3M, 5M, 10M, og 20M. Nánar 10-15-20Mbps
Two Antenna on the TX RX Transceiver
ANT1 fyrir senditökuham, ANT2 fyrir móttökustillingu
Fullt sett í pakkanum
Í pakkanum fylgir sendir, viðtakandi, bæði hliðarloftnet og fylgihluti snúru. mynd
- Byggt á OFDM tækni, vefmyndavél (HD myndavél með ethernet) mælt er með.
- Tvíhliða þráðlaus tengibúnaður fyrir breiðband (The receiver can get the audio-video download, það getur einnig hlaðið gögnunum upp í móttakarann)
- tengi: 2X Ethernet tengi, 3X RS232 raðtengi, hljóð inntak-útgangur (Meiri stjórnunaraðgerð) Ef myndavélin þín er með HDMI útgang, þá þarf það viðbótarkóðara tæki, sem getur umritað HDMI myndband og hljóðmerki í stafræn gögn til þessa sendis. Við móttakarann, það getur tengt tölvuna þína eða NVR beint, ef þú þarft útganginn á HDMI skjá, þá þarf það einnig auka afkóðunarbúnað til að umrita stafrænu gögnin í HDMI myndband og hljóðmerki.
- Default Data Interface is RS232, We also can modify it to TTL, Sbus, or RS485, please contact us if you need to know how to connect it to your flight controller, til dæmis, Pix hawk 4.
- Data Port Baud Rate: Gagnahöfn 1 styður 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800; Gagnahöfn 2 and Data Port 3 stuðningur 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200.
- Tvöfald loftnet: The SMA connector ANT1 main antenna works in transceiver mode, ANT2 hjálparloftnet virkar í móttökustillingu.
- Þráðlaust vinnutíðniband: 1427.9~ 1447.9MHz (1.4G) eða 806 ~ 826MHz (800Mhz), or optional 2401.5~ 2481.5MHz (2.4G) styðja sjálfvirkur tíðni hoppaði á tíðnisviðinu (default working frequency is 1.4G)
- Þráðlaus bandbreidd: 3MHz, 5MHz, 10MHz, 20MHz, allir hnútar deila vinnandi bandbreidd, og hámarks hlutdeildarhraði kerfisins er 30Mbps.
- mótum ham: QPSK / QAM16 / QAM64 sjálfvirk aðlögun.
- Netstilling: punktur-til-punktur, point-to-multi-point star network. (Til dæmis, 6 cameras and a transmitter to one receiver.)
- Þráðlaus sendingarkraftur: 10W.
- Hnúturinn sem fær næmni: -103 við 10MHz bandbreidd.
- stuðningur AES128 dulkóðun og afkóðun.
- sending fjarlægð: 15km/30km/80km/150km valfrjálst.
- Hægt er að skoða stillingar tækisins og stöðu þráðlausrar vinnu í gegnum Vefviðmót of the network port or the serial port.
- 2KM langdrægar þráðlaus myndsendir móttakari lifandi kynningarmynd gagnatengilsending: DC12~16V, 33dBm, meðalorkunotkun myndsendisins er minni en 12W, and the average power consumption of the video receiver is less than 10W. (Gult rafmagnstengi er XT30PW / XT60PW) (Without Any external PA, the module has 300mW, 25dBm)
5KM langdrægar þráðlaus myndsendir móttakari lifandi kynningarmynd gagnatengilsending: DC24~25V, 37dBm, meðalorkunotkun myndsendisins er minni en 22W, og meðalorkunotkun myndbandsmóttakarans er minni en 16W.
10KM langdrægar þráðlaus myndsendir móttakari lifandi kynningarmynd gagnatengilsending: DC24 ~ 30V, 40-41dBm, 28Mælt er með V aflgjafa, hámarks meðalnotkun er minni en 1.4A@28V, og krafan um hámarksaflgjafa strax getur náð 2.8A@28V. - stærð: 124*67.8*28.5mm (fyrir utan tengið sem nær út úr skelinni, o.fl.).
- þyngd: 0.3W 133 grömm, 2W 142 grömm, 5W 142grams, 10W 242.5 grömm
Inntak úttak
| Ég/O | Lýsing |
| Ethernet 1 | 4PIN ZH1.5mm connector bridged with Ethernet2 |
| Ethernet 2 | RJ45 connector bridged with Ethernet1 |
| valkvæða fjarlægðseinkunn | 9PIN ZH1.5mm tengi, 3 valkvæða fjarlægðseinkunn |
| valkvæða fjarlægðseinkunn | 4PIN ZH1.5mm tengi, valkvæða fjarlægðseinkunn |
| • Modular hönnun og mikil samþætting | valkvæða fjarlægðseinkunn |
| valkvæða fjarlægðseinkunn | TX/RX Antenna port, valkvæða fjarlægðseinkunn |
| valkvæða fjarlægðseinkunn | Rx loftnetstengi, valkvæða fjarlægðseinkunn |
| Power LED | The red light on normally powered |
| Node LED | Blue light for Node type indicator |
| Link LED | Green light, wireless link working status indicator |
Sendingaraðferð
sjáðu Upplýsingar um stillingar vefviðmóts
2W 27km Próf sendandi og móttakara kort
Algengar spurningar
Aflgjafi þessa sendis og rafhlöðu eru bæði 3A@28V. Á venjulegum tíma, rafhlaðan sem við notuðum til að prófa er 7AH, það getur virkað í 2 ~ 4 klukkustundir. Ef þú kaupir 15AH hleðsanlega rafhlöðu, það getur unnið stöðugt í um 4 ~ 8 klukkustundir.
Skiptu ekki aðeins um tíðni á breytu vefviðmótsins auðveldlega, eftir að skipt hefur verið um tíðni, það þarf líka að skipta um kraftmagnara að innan og sama tíðni sendanda og móttakara loftneti. Svo kaupandi ætti að staðfesta hvaða tíðni þú þarft fyrir afhendingu. The antenna is customized according to this frequency.
Varðandi RF snúruna, our engineer doesn't recommend that you used it so long. Það verður minnkuð 0,5dB fyrir eins metra RF snúru. Fyrir 3 meters RF cable, merkisstyrkurinn minnkar um 1,5dB.
In order to support long-distance, It is better that you use the RF cable less than 1 metra?
Reyndar, sendirinn er mjög minni, það er betra að halda stuttri fjarlægð frá sendinum að sendiloftnetinu. Aflgjafasnúran fyrir sendandann og ethernetsnúruna frá myndavélinni að sendinum getur verið lengri þar sem það er ekkert tap eins og RF snúru.
Já, the default video input is IP RJ45 ethernet port, ef þín myndavél er HDMI eða SDI eða AHD, bara plús einn lítill kóðarabox til að leysa þetta vandamál. Vinsamlegast athugaðu fyrirmyndina hér að neðan.
- If your area has a DVB-T or DVB-T2 digital television signal, sem TV frequency range is 170-860Mhz, it has including 800Mhz, so choose 1.4G is better.
- Because the GPS antenna receives the GPS signal and the GPS direction on the drone is up, our transmitter antenna is pointing down to send the signal to the ground. Þar af leiðandi, the 1.4G frequency effect on GPS is negligible.
The package size is 125 x 23 x 11 cm. Heildarþyngd：3.72KG， Volume Weight：7.5KG
Here is the full set picture.
Regarding frequency hopping, the engineer has some suggestions for you.
- As the system frequency range is 20Mb, if your bandwidth is chosen 20Mb, then it can not hop (only one point). If the bandwidth is chosen 10Mb, then you have two points to hop, if the bandwidth is chosen 5Mb, then you have 4 points to hop.
- If 1410Mhz has jammed, then 1420Mhz also has jammed, as the frequency is too close.
- When hopping frequency, the data or video transmission will be disconnected, and your video will be frozen.
- Á venjulegum tíma, it is better to choose hopping is NOT.
- If your transmission distance is less than 15~22km, then we have another option to choose from, the frequency has 110Mb, and even if you choose 20Mb bandwidth, it has 5 points to choose from for frequency hopping.
If you need to support S.bus, then please tell us before shippment, and we will modify our RS232 to TTL.
Our TX900 has three RS232 ports. If you need it to support S.bus, just need plus one small converter from S.BUS to RS232 is ok. ( Mini SBUS Conversion Module Uart to Sbus, Sbus to Uart ).
Please tell us if you need sbus port before delivery. Our engineer will modify the D2 port from RS232 to Sbus.
RSSI wireless link status data requires customers (such as flight controllers) to manually send AT commands to obtain it. It can be obtained in two ways:
- Configure UART3 (data port 3rd) as an AT command serial port, and then send AT commands through UART3 (D3) to obtain. https://ivcan.com/change-d3-from-transparent-serial-port-to-at-command/
- Update the firmware version 1.5.1 eða er hér að ofan, so that there will be an additional TCP server inside for customers to access through TCP to send AT commands to obtain the wireless status.
- The LED light is used to indicate the wireless connection status (til dæmis, if the wireless link is disconnected, the light will go out), and there is no dedicated external pin to notify the customer flight control.
Or see the UART AT command list hér.
or see https://ivcan.com/how-to-get-the-rssi-and-snr-on-the-drone-transmitter/
- The serial port of our wireless video transmission is transparent, and no data is actively sent to the flight controller. This is controlled by the ground station.
- It won't send the failsafe command, but you can see the link status light from the signal indicator.
- Here is the link status signal strength indicator means
- Not Bright: Indicates that the wireless link of the module is not connected
- Red: Indicates that the wireless link of the module has been connected, but the wireless signal strength is very weak
- Orange: Indicates that the wireless link of the module has been connected, and the wireless signal strength is medium
- grænn: Indicates that the wireless link of the module has been connected, and the wireless signal strength is very strong
- We understand that you hope to have this function, If aircraft loses signal during flight it will not return to home because flight controller will not understand that rc link is lost.
- You need to see the link status LED light, if it is Orange or Red, you should control the plane back in advance.
- You also can get the RSSI at the below windows
Please check the upgrade firmware setps, download the latest upgrade firmware at the below link.
https://ivcan.com/how-to-upgrade-the-latest-firmware-of-the-wireless-video-transmitter-and-receiver
At the normal usage, one node as the transmitter, another node as the receiver. If you need to support long range or over a mountain top, like the below picture, Já, please buy 3rd nord as the reapter.
You just need to put the 3rd node in the middle and set the 3rd node be a 2D3U then ok.
How to set 3rd node be 2D3U?
Set with AT command:
at+cfun=0
at^dstc=0
at+cfun=1
Restart the link device after the operation
On the Web UI parameter mangagment page and debug section,
AT command
inntak AT^DGMR?
If you get result is 6602, then it is 15km útgáfa.
If you get result is 6603, then it is 30km útgáfa.
4K video is supported.
4K video stream generally has more than 8Mbps, and 1080P video generally has more than 2M, so the distance of our wireless video transmission when transmitting 4K video will be shorter than that of 1080P.
In one word, the higher the definition of the video, the shorter the transmission distance.
The video compression is smaller, and the transmission distance is supported farther.
In the process of video transmission, if there is data loss, the picture will appear mosaic or stagnation, freeze and other phenomena.
There will be a limited number of retransmissions at the wireless link level (auðvitað, data errors will also occur if the situation is not good). The upper-layer application on the end will not be aware of it, nor will it ask the sender to retransmit.
If the signal of the wireless link is not good at a certain point after the distance is extended, and there are always bit errors, it is impossible to design it to be retransmitted all the time, so that the end user experience will be very poor.
The wireless link layer has a limited retransmission mechanism. We have tested the tcp protocol for transmission at the video transmission layer (trying to retransmit on the upper layer through the tcp protocol), but the test found that there is no obvious improvement, and it will also lead to uncontrollable delays.
- The heat generated by the aircraft side is much larger than that of the ground side. If the fan is running, check whether the air inlet and outlet of the lower fan (the positions of the heat sinks at both ends) are blocked
- Try changing the power supply of the air unit transmitter from 24V to 12~18V (the transmit power will be reduced to about 35~36DB)
- Slightly reduce the transmit power of the aircraft by the below AT commands: AT^DSSMTP="23" Reboot after setting
spurning: Are these settings maximum power of the module? (24 dBm)
svar: 24dBm is the maximum output power of the link Module, and the gain of the PA (about 14dBm) needs to be added. The actual transmission power after the 24V power supply PA output is about 38dBm.
|
# |
Procurement Specifications |
YesNo |
Skýringar |
|
1 |
The unit shall operate in the VHF BAND and UHF band with its RF transmissions. |
UHF |
1427.9-1467.9Mhz |
|
2 |
The unit shall have an RF output power of 27 dBm or more. |
Já |
2W 33dBm 5W 37dBm 10W 40-41dBm |
|
3 |
The unit shall provide Serial (Tvíátta, Fullduplex) as data interface. (RS232 or RS422) |
Já |
RS232 bidirectional full duplex |
|
4 |
The unit power consumption shall not exceed 25W. |
Já |
<22W |
|
5 |
The unit mass shall not exceed 250 grömm.
|
Já |
<150 grömm (142grömm) |
|
6 |
The unit shall have a data rate of at least 4.8 Tilgreindu |
Já |
RS232:>50kBps Ethernet:>2M Bps |
Lead time: 10 days for small quantity order.
HS code: 8517629900
The difference between the air unit (sendandi) and ground unit (viðtakandi) is two points:
One is the device type: Air unit (sendandi) is the access node and the ground unit (viðtakandi) is the central node.
Two is the rate ratio of the downlink and up link. Over 30km, the best rate ratio is 4:1 eða 3:2.
If you don't want to connect the receiver ethernet cable directly to the computer. Then it is not easy to access the receiver at your local network.
Here is two solutions for you.
1. Add the IP address of the 192.168.1.x network segment on the PC side (the PC can be configured with multiple network segment IP addresses)
2. Modify the IP of the wireless video data receiver from 192.168.1.12 to the address of the 10.220.20.x network segment to meet your local network.
For further questions and solutions, please talk with your local area network workmate or engineer, our receiver is like a computer with IP address, it should keep the network segment IP address at the same, til dæmis, 192.168.1.xxx.
- Já, there are three solutions to do that.
- TX900 has three data ports. Distinguish through different transparent serial ports, such as D2 to control relay aircraft and D3 to control mission aircraft. The disadvantage is that the TX900 receiver needs to be connected to two serial ports to send instructions separately.
- Use the same transparent serial port to send data in bulk, and then add layer protocols (such as header information) to the data to distinguish which aircraft should receive and process the data. The disadvantage is that the processing of sending and receiving data is complicated.
- Or use two receivers: One receiver is for the mission plane (sendandi), and another receiver is for the repeater drone. The connection and operation are easier.
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Latest Test video from mountaintop to 27 km away to the seaside to check the long-range effect and operate at the receiver
Optional TX900B for some clients need frequency hopping function.
- TX900B-2W supports the frequency range is 1420~1530MHz, and there is 110Mb bandwidth to use. (800Mhz frequency range does not support this 110Mb bandwidth)
- The customer can set the working bandwidth as 1.4M/3M/5M/10M/20MHz (However 1.4M/3MHz may not be suited for video transmitting). Then TX900B-2W can work in FHSS mode (Dreifingarsvið með tíðnihoppi) and the central working frequency will be automatically selected by the system and may do frequency hopping (between 1420~1530MHz) during its working.
- Customers can also plan to use the frequency channels in the whole 1420~1530MHz and set the device to work in the fixed frequency channels too.
- TX900B-2W supports the longest distance at 22km.
- Except for the frequency range supported and the longest distance, the physical appearance, tengi, UI, aðgerð, og svo framvegis, the TX900B-2W is the same as the existing TX900B-15km-2W.
- TX900B-2W only supports a frequency range is 1420~1530MHz, it does not support 800MHz and 2.4GHz frequency ranges.
- There are two versions, TX900B-2W-15km, and TX900B-2W-22km.
- As the TX900B-2W frequency range is 110Mb, so if you configure the working bandwidth as 10Mb, then you will get 11 points to hopping.
- TX900B supports 110Mb bandwidth for frequency hopping and only has three transmission ranges optional, 22km, 55km, og 150 km.
Sækja
| 1 | D3 serial port function configuration |
| 2 | TX900 transparent transmission and UDP serial port instructions |
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HDMI Til IP kóðara mótara CVBS H.265 H.264 kóðun borð pcba Ethernet RSTP UDP fyrir UAV Drone Robotic
