COFDM Uaea Vitio Receiver HDMI cvbs fa'aoga mini modulator module RX mamao mamao fpv uav

COFDM Wireless Video Receiver HDMI CVBS output

COFDM Wireless Video Receiver HDMI CVBS output mini modulator module long distance fpv UAV Data Transmission UART config Recorder

Work for COFDM-905T

 

HD digital wireless video transmission receiver COFDM-905R
Built-in Decoder board and COFDM dual-antenna receiving demodulation module, the whole machine adopts aluminum alloy casing, high receiving sensitivity, low decoding display delay, high-definition video output stable and clear.

Features

1. Dual Antenna reception
2. Support working frequency range: 160MHz~860MHz, the center working frequency can be configured;
3. Wireless bandwidth is configurable;
4. The sensitivity of dual antenna reception -100±1dbm (QPSK 8MHz);
5. Wireless receiving status information (such as received signal strength, air interface rate, fua fa'amatalaga, taimi faigaluega, uaealesi bandwidth, etc.) can be superimposed/not displayed on the video screen through the OSD switch button, or output to the serial port (customized) ;
6. Low-latency H264 video decoding, support 1080P@60 decoding playback;
7. Audio and video output (HDMI, CVBS, USB port simultaneous output):
   1. HDMI Type A port audio and video output
   2. CVBS (Lotus Head) AV audio and video output
   3. Output video stream to the phone/tablet decoding display via USB port
8. Support video receiving and decrypting function (matching with video encryption at the transmitting end);
9. Support TF card or USB disk video recording;
10. Provide one-way single-direction transparent data transmission serial port;
11. Provide parameters to configure the serial port for working settings (such as center working frequency, uaealesi bandwidth, receiving decryption password);
12. Paoa sapalai: 6~15V, working power consumption is 230mA@12V.
13. Machine size: 115x90x34mm
14. Machine weight: 243 grams

Fesoʻotaʻiga:

1. ANT-in: wireless signal input antenna interface, SMA external threaded inner hole
2. HDMI: A type HDMI carrier, high-definition audio and video output interface
3. CVBS: analog video output interface
4. AL/AR: left and right channel analog audio output
5. Malosiaga so'oga: 3PIN 2.54mm socket
6. USB feso'ota'iga:
   1. External phone or tablet can be used to output audio and video to mobile phone or tablet for decoding display
   2. Recording video can be connected to an external USB flash drive or USB hard disk
7. OSD button:
   The receiving status information displays the on/off button, and the long press button can switch the switch status, and the switch status will be powered off. When the reception status information display is turned on, it is displayed in red in the upper left corner of the output video screen:
   1. RF：338.0MHz BW：4.0MHz
      QPSK CR：2/3 GI：1/16
      AIR：3.90Mbps
      VBR：3.05Mbps AES OFF
      SIG1：27 SIG2：22
      ber1：0.14% ber2：100.00%
      REC OFF No Storage
   2. RF indicates the center operating frequency, ma BW indicates the working bandwidth.
      QPSK is the modulation mode, CR is the convolutional code rate, and GI is the guard interval.
      AIR is the air interface rate
      VBR is the video bitrate, AES OFF means no encryption
      SIG1 refers to the received signal strength near the HDMI port antenna, ma SIG2 refers to the other antenna.
      Ber1 refers to the BER error rate near the HDMI port antenna, ma ber2 refers to another antenna.
      REC OFF means no video storage
8. When the wireless receiving signal is interrupted or weak, the output video screen will be interrupted (the re-received signal screen will be automatically restored), and display: Disconnected, no signal
9. REC button: Video recording on/off button, short press button to switch state, start recording after power is detected. The system defaults to recording to the TF card. If the TF card is not inserted, it is recorded to the USB flash drive. If they are not inserted, they will not be recorded.
10. Link indicator: The wireless receiving link working status indicator lights up after the system is started and blinks when the receiving signal is normal.
11. REC indicator: The video recording indicator will flash at the low frequency when recording video, otherwise the high frequency will flash.
12. PWR indicator: Fa'ailoga Malosi.
13. CFG serial port: Parameter configuration Serial port, you can configure wireless receiving related parameters, such as center working frequency, uaealesi bandwidth, decryption password, ma isi. Vcan provides a matching parameter configuration panel SconB to facilitate user parameter setting.
14. Data serial port: Transparent data transmission serial port. The serial port data of the transmitter can be wirelessly transmitted to the receiver and output from the serial port.
15. TF card interface: Used for software upgrade maintenance or for storing video.

Faʻaliga

Pe a fai e le COFDM-905T transmitter ma le COFDM-905T receiver e fausia ai se faiga fa'aoga vitio e leai se mea, le faailo o le tuai o vitio:
O faʻailoga e tolu o le tuai o vitio, fua o ata vitio, ma le fua faatatau o le ea o le felagolagomai ma le taofiofia. Pe a sili atu le fua faatatau o le ea nai lo 5 ta'i le fua o le code video, e itiiti le tuai o le vitio. I lenei tulaga, o le suʻega moni e faʻatatau i le tuai o le vitio 60 ms pe a lafoina le code ile 720P@60, ma o le vitio tuai e uiga i 130 ms ile 1080P@60. O le fa'atuai e fa'atatau i le tuai mai le fa'aogaina o le vitio HDMI i le fa'ai'uga fa'asalalau i le ata o le HDMI i le pito e maua ai., e le aofia ai le tuai o le meapueata pito i luma o le pito e feaveai (sa matou fuaina le tuai o se meapueata SLR pe tusa 70 ms, ma le tuai o se mea pueata ta'aloga ta'uta'ua pe tusa 130 ms). Mo le tele o ata fa'aoga, o le tuai o le vitio ua seti i le tusa ma le 200ms ona o le faaletonu.

Pe a fai e le COFDM-905T transmitter ma le COFDM-905R receiver e fausia ai se faiga fa'asalalau fa'asolo-i-le-point., o le mamao felauaiga o:
Ole mamao ole feso'ota'iga e feso'ota'i ma le tele o mea e pei ole siosiomaga ole su'ega, fa'alavelave fa'aeletonika ambient, tulaga occlusion, susū o le ea, taimi faigaluega, uaealesi bandwidth, ma le felauaiga ma le mauaina o antenna. I'uga o su'ega moni: se suega tagata faatau, va'alele e le'i fa'atonuina fa'apipi'i le transmitter ST100 e lele solo 100 mita maualuga, seti i le 4M QPSK bandwidth wireless, 700MHz nofoaga tutotonu fa'agaoioi taimi, 1W auina atu le mana, transmitter antenna 3dBi faataamilo, Mauaina fa'alua antenna fibre tioata maua e uiga i le 10dBi, mamao e oo atu i le 16km (vitio lamolemole); a matou lava su'ega auala i Shenzhen, o le fa'ai'uga o le fa'atagaga i luga o le felelea'i, antenna fa'agaau masani (e tusa ma le 3dBi maua), 340MHz fa'alauiloa, QPSK 8M Bandwidth, se antenna fiberglass i le pito e maua ai, ma se antenna Yagi, e uiga i 2.2 mita le maualuga i luga o le pou, 2.2 kilomita le mamao, maualuga faauigaina vitio lamolemole, se vaega itiiti o fale maualuluga i le va o le transmitter ma le taliaina, le auala va'aia e uiga i 20 tikeri punou. Ona o tapula'a aiaiga, e le'i toe faia ni su'ega auala.

Fesoʻotaʻiga

Tele

75 x 55 x 25 mm

Su'ega Fa'atinoga RF

Fa'agaioiga Nofoaga Autu Auala 470MHz, Malosi'i Tele: 1W

Fa'agaioiga Nofoaga Autu Auala 700MHz, Malosi'i Tele: 1W

Faʻaleleia

Faʻafefea ona faʻaleleia le TX mai le 720P i le 1080P?