COFDM IP wireless data transmitter module
COFDM IP wireless video data transmitter module One-way Ethernet transparent transmission network port Vcan1816
- Common cofdm transmitters are video signal inputs such as HDMI, CVBS, SDI, or AHD. This one is a transparent transmission module that can support IP cameras and support video and data through cofdm.
- Paired with this COFDM network video data transmitter is a COFDM receiving module, which can realize HDMI and CVBS output, and can also output video to a computer, RTSP, or UDP player through an IP network port RJ45.
- The key role is to use UDP broadcast/multicast to send data.
- oblikovanje enosmerne brezžične prenosne omrežne povezave prenosne povezave Oddajni modul sprejema podatke preko omrežnih vrat in prenaša podatke, ki jih omrežna vrata prejmejo v obliki COFDM po prejemu podatkov + receive the module, oblikovanje enosmerne brezžične prenosne omrežne povezave prenosne povezave Oddajni modul sprejema podatke preko omrežnih vrat in prenaša podatke, ki jih omrežna vrata prejmejo v obliki COFDM po prejemu podatkov
- Oddajni modul sprejema podatke preko omrežnih vrat in prenaša podatke, ki jih prejme omrežna vrata v obliki COFDM
- Oddajni modul sprejema podatke preko omrežnih vrat in prenaša podatke, ki jih prejme omrežna vrata v obliki COFDM, Oddajni modul sprejema podatke preko omrežnih vrat in prenaša podatke, ki jih prejme omrežna vrata v obliki COFDM
Funkcija modula brezžičnega prenosa enosmernih omrežnih vrat COFDM:
Kazalo
Lastnosti
- Funkcija modula brezžičnega prenosa enosmernih omrežnih vrat COFDM, in nato se prenesejo podatki o omrežnih vratih.
- in nato se prenesejo podatki o omrežnih vratih: vrata omrežje, in nato se prenesejo podatki o omrežnih vratih. in nato se prenesejo podatki o omrežnih vratih: in nato se prenesejo podatki o omrežnih vratih
- CFG-UART: in nato se prenesejo podatki o omrežnih vratih, 4in nato se prenesejo podatki o omrežnih vratih, can be docked to our parameter configuration panel. in nato se prenesejo podatki o omrežnih vratih, brezžični pasovne širine, in nato se prenesejo podatki o omrežnih vratih (in nato se prenesejo podatki o omrežnih vratih, in nato se prenesejo podatki o omrežnih vratih, ozvezdje, in nato se prenesejo podatki o omrežnih vratih, itd) in nato se prenesejo podatki o omrežnih vratih.
- in nato se prenesejo podatki o omrežnih vratih (Tx): in nato se prenesejo podatki o omrežnih vratih.
- vmesnik TF kartice, nadgradnja programske opreme, in vzdrževanje.
- vhodna moč vmesnik (moč): 2PIN 2.0mm pitch Phoenix terminal. Napajalna napetost: 7V ~ 24V.
- in vzdrževanje: in vzdrževanje, and the data is flashed when the data is transmitted usually.
- LED indikator napajanja: The power input indicator, in vzdrževanje.
- in vzdrževanje: 73in vzdrževanje (in vzdrževanje), in vzdrževanje.
- in vzdrževanje:
- in vzdrževanje: 1/2, 2/3, 3/4, 5/6, 7/8
- in vzdrževanje: QPSK / QAM16 / QAM64
- način IFFT: 2K
- in vzdrževanje: 1/4, 1/8, 1/16, 1/32
- Brezžična pasovna širina: 1 in vzdrževanje, 1KHz korak
- Nastavljiva izhodna moč RF: -94Nastavljiva izhodna moč RF (Nastavljiva izhodna moč RF, Nastavljiva izhodna moč RF).
- Nastavljiva izhodna moč RF: between 200MHz ~ and 2300MHz can be configured arbitrarily
Nastavljiva izhodna moč RF
Hitrost brezžičnega prenosa (Hitrost zraka vmesnik):
Oceniti(Nastavljiva izhodna moč RF) Nastavljiva izhodna moč RF (pasovna širina(MHz) * 8.0/7.0) / (1+GI) * 1512/2048*Nastavljiva izhodna moč RF(Nastavljiva izhodna moč RF) * Nastavljiva izhodna moč RF * 188/204.
Nastavljiva izhodna moč RF, Nastavljiva izhodna moč RF, Nastavljiva izhodna moč RF, Nastavljiva izhodna moč RF:
UART AT Command
ATDR、ATSD、ATSG、ATSM、ATGD、ATSR、ATGR、ATGB is useful
For the UART AT command operation and format, please check the below link.
Encoder Modulator Decoder Demodulator Module Parameter Configuration Instructions COFDM AT Command
Receiver Module
Suggestions
- This is a one-way unidirectional transmission system. if you need a two-way bidirectional transmission system, please check this link. https://ivcan.com/t/two-ways/ or https://ivcan.com/ru/p/mini-cofdm-wireless-ethernet-transmission-module-rj45/
- This is only a data transmission system, if you need video+data transmission, please look details of these modules, https://ivcan.com/p/modulator-demodulator-module-encoder-decoder-hdmi-cvbs/
- If you need a relay (repeater) to support a longer transmission range (distances), please choose stronger PA (moč ojačevalnik) znotraj, na primer, change 1Watts PA to 2.5 Watts oz 5 Watts.
–160MHz~860MHz HD video COFDM sprejemni modul z izhodom HDMI/AV/Ethernet/USB
The COFDM receiver module is a compact digital diversity receiver with integrated H.264 decoding, primeren za uporabo v tekočih in visoko mobilnostnih aplikacijah. Sprejemni modul sprejema signale iz dveh anten za znatno izboljšanje demodulirane zmogljivosti in povečanje obsega delovanja. Sprejemni modul lahko hitro najde in samodejno zaklene dohodni prenos glede na vnaprej nastavljeno frekvenco in pasovno širino. Ta modul sprejemnika ima vrsto obsežnih izhodnih signalov, vključno z HD pri 720p in 1080P, navzdol pretvorjen video monitorja HD CVBS, and two analog audios supported.
The receiver module also includes DVR record functionality with a Micro SD card or USB disk. Dodatno, the receiver module has a built-in RTSP server that enables video streaming over Ethernet for remote software or hardware decoders. And the receiver module also enables video streaming over USB for remote Android device decoders like smartphones or Android PAD. To omogoča več oddaljenim gledalcem, da spremljajo isti video hkrati. Sprejemni modul podpira tudi niz znakov za prikaz na zaslonu video zaslona z videom skupaj v načinu OSD.
When paired with the Our COFDM transmitter module, sprejemni modul ponuja celovito, hitro uvedljiva video in avdio rešitev, ki omogoča napredno zavedanje situacije. Ima lahko ključno vlogo pri zagotavljanju videa v živo v realnem času z mobilnih platform na tleh in v zraku.
- COFDM demodulacija in video dekoder H.264;
- Full HD ločljivost, 1080P@60fps;
- Velika varnost z dešifriranjem AES;
- DVR snemanje z mikro SD kartico ali USB diskom;
- Vgrajen strežnik RTSP omogoča pretakanje videa preko Etherneta;
- Enables video streaming over a USB host for the remote device;
- Podpira niz znakov za prikaz na zaslonu video zaslona v načinu OSD;
- Stabilen prenos signala v NLOS in hitrem premikanju;
- Nastavljiva delovna frekvenca, in pasovno širino.
Tehnični podatki:
IO
HD video output | HDMI type A connector |
Kompozitni video izhod | 6PIN PH2,0 mm priključek |
avdio izhod | Embedded HDMI and CVBS |
RF vhod | Two SMA female 50Ω |
TTL 3,3 V privzeto | 2PIN PH2.54mm connector |
Gostitelj USB | 4PIN PH2,0 mm priključek |
TTL UART data | 3PIN PH1.25mm connector, 3.3V signal |
TTL 3,3 V privzeto | 4PIN PH1.25mm connector, 3.3V signal |
Ethernet | 6PIN PH2,0 mm priključek |
TF-kartica | Reža za kartico TF |
ključi&LED diode | 2*5PIN PH2,0 mm priključek |
demodulacija
Formati za demodulacijo | COFDM(DVB-T) |
Nosilci | 2K |
pasovna širina | TTL 3,3 V privzeto, TTL 3,3 V privzeto |
FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
interval Guard | 1/32, 1/16, 1/8, 1/4 |
ozvezdje | QPSK, 16QAM, 64QAM |
Bitne hitrosti | 0.5TTL 3,3 V privzeto |
RF
Frekvenčni pasovi | 160MHz ~ 860MHz |
Velikost koraka nastavitve | 1KHz |
občutljivost | -97±1dBm(BW=8MHz, QPSK, CR=2/3, GI=1/16) za en kanal in dodajte 3dBm za dva kanala |
Video in avdio
Video izhod | HDMI in CVBS, Ethernet(RTSP protocol by default, option UDP), USB |
video formatov | 1080P ali 720P
720*480 60jaz(NTSC), 720*576 50jaz(PAL) |
Video dekodiranje | MPEG-4/H.264 AVC |
avdio izhod | Vdelan HDMI in AV zvok |
Avdio dekodiranje | AAC |
Dešifriranje | dvokanalni video vhod/kodiranje/oddajanje hkrati |
skladiščenje | USB disk or micro SD card |
Spremljanje in nadzor
Comprehensive receiver setup with Our Config Panel or Windows PC or other devices via control UART.
Temperaturno območje
dvokanalni video vhod/kodiranje/oddajanje hkrati: 0° do +70 °C Okolje
skladiščenje: dvokanalni video vhod/kodiranje/oddajanje hkrati
Fizikalne značilnosti
Board Dimensions: 80.4*50.8mm
Zahteve po moči
dvokanalni video vhod/kodiranje/oddajanje hkrati: 9~24VDC
Poraba energije: <300mA@12V
IO Signals
ključi + LED diode:
The receiver module has a 2*5PIN PH2.0mm connector which provides “keys + LEDs” signals. It is designed for customers who want to expand LEDs and keys to their cases.
PWR led signal: this two-pin can connect to an led for the power indicator, and constant light when the device is normally powered.
The link led signal: this two-pin can connect to an led for a wireless link indicator, which blinks when the video stream is received.
REC led signal: this two-pin can connect to an led for a record indicator, and constant light when video recording.
REC key signal: this two-pin can connect to a button for the switch of video recording, and a short press to change its status. The receiver will automatically check the storage device(micro SD card or USB disk) after powering on and start to record video when the storage device is inserted. Just press it to stop or record again.
OSD key: this two-pin can connect to a button for turning on/off the status of the OSD displaying, long press it to switch(more than 1s). The status will be kept after a reboot. When the OSD status is on without any OSD data input from the data uart, the device will display information on the video screen as:
RF:338.0MHz BW:4.0MHz ; RF, delovna frekvenca; BW, pasovna širina
QPSK CR:2/3 GI:1/16 ; ozvezdje, FEC, interval Guard
AIR:3.90Mbps ; AIR, wireless transmitting bitrates
VBR:3.05Mbps AES OFF ; VBR, video bitrates; AES OFF, AES encryption turned off.
SIG1:27 SIG2:22 ; SIG1, the signal intensity of antenna 1; SIG2, the signal intensity of antenna 2
ber1:0.14% ber2:100.00% ; ber1, bit error rate of antenna 1; ber2, bit error rate of antenna 2
REC OFF št Storage ; video recording status
Seznanjen z oddajnikom COFDM:
The default normal features of the two-antenna Wireless receiver module can be paired with all of Our H.264 transmitter modules. The HD video latency from its inputting of the transmitter to the HDMI screen displaying of the receiver is about 200~250ms.
Our two-antenna COFDM Wireless Receiver module can also be paired with our COFDM transmitter module for the lowest video latency application when manufactured with specified firmware. The specified firmware enables proprietary H.264 video compression/decompression only using p-frames for the lowest latency. Zakasnitev videa od vnosa oddajnika do prikaza zaslona HDMI sprejemnika je približno 50 ms do 130 ms.
How to test COFDM IP wireless video data transmitter module?
ethernet modem in one way
pogosta vprašanja
Please note that this network transparent transmission device is one-way transmission, it can only realize UDP broadcast function, although there is an RJ45 network port, but because it is not two-way transmission, it cannot realize the ping command, so even if you want to connect an IP camera, you need special customization IP cameras, because ordinary IP cameras need two-way transmission equipment.
How to test this network transparent transmission device, please check the below link
How to test COFDM IP wireless video data transmitter module
no, just net transfer via IP ethernet RJ45 input.
- If you want to test the video transfer, maybe you need an encoder board Vcan1746, transfer HDMI / CVBS video to IP stream, then connect the 1816 oddajnik.
- vprašanje: I already have Vcan1776, which has a Vcan1746 encoder board at the transmitter module, should I get one more encoder board?
- odgovor: Although the encoder board of Vcan1776 can be reused. It needs to disassemble the Vcan1776 RF module, then connect the network port adapter cable, and change the different firmware. It is not recommended to do this. It is recommended that you purchase another separate encoder board.
- The voltage range of TX RX is 7~24V.
- At 12V power supply, use an adapter with a maximum of 1A or more.
- Prepare a formattedFAT32format Micro SD card
- Unzip the upgrade file from our verify and send to you, Here is "1816_update_image_xx_yy.zip" mapa, and copy it to the root directory of the Micro SD card, pay attention to keep the directory structure unchanged (there is a flash folder in the root directory of the Micro SD card, and there is an app folder in it).
- Insert the Micro SD card into the Vcan1816 module, power on and wait for the red light on the board to flash, indicating that the upgrade is successful.
- Opomba:
Under normal circumstances, the update will be completed within 30s after power-on (the red light flashes). If the red light does not flash for a long time after power-on, please check the connection of Micro SD and try power-on again.