COFDM Wireless Video HDMI Transmitter
Transmissor HDMI de vídeo sem fio COFDM Transmissão TX HDMI HD 1080P CVBS H264 Codificador COFDM-907T
COFDM-907T transmitter is high-speed data transmission device for the high quality video and audio transmission application. In addition to high-quality video and audio requirements of the camera, the encoding stream, channel rate requirements are very high. It can transmit H.264 high-quality codec, the receiver image resolution up to 1920X1080P/60.
Especificação
| Codificação | H.264,MPEG-2 |
| Bandas de frequência | 170Mhz~930Mhz (adjustable frequency available on request) |
| Modulation Format | Cofdm / DVB-T |
| Output Power Amplifier | 1W 2W 5W 10W (Preset in factory before delivery |
| Channel Band Width | 6MHz 7MHz 8MHz |
| Sub code carrier modulation | QPSK, 16Qam, 64Qam |
| Error Code Rate | 1/2;2/3;3/4;5/6;7/8 |
| Intervalo de guarda | 1/32，1/16，1/8，1/4 |
| Video Code stream | 2Mbps～22Mbps |
| System latency | 300 millisecond |
| Faixa de transmissão Aplicativo |
Visual range Airborne use maritime application urban Application suburban Application |
| Compression Format | H.264/MPEG-2 |
| Date Input | UART（115200bit/s) |
| Entrada de vídeo | HDMI, CVBS (video audio) |
| Audio Input | Estéreo, AL Left AR right |
| Image Definition | 1080P/I（1920*1080）compatible 720P/I,576P/i,480P/i,SD( frame rate@ 25fram/S) |
| Video Input Interface | 4P 1.25 Ribbon cable interface, HDMI standard interface |
| Faixa de tensão de entrada | 10V～35VDC |
| Temperatura de trabalho | -20~+65 ℃ |
| Armazenar | -40~+70℃ |
| Dimensão | 93mm×56mm×23mm(L×W×H) |
| Weight base unit | 80g (With the fan) Including antenna 138g |
LED and Frequency
| LED Color | Observação | Freqüência |
| 1 0 0 | 1st Green LED always on, tx is working; 2nd and 3rd Blue LED is off | 503MHz |
| 1 1 0 | 1st Green LED always on, tx is working; 2nd Blue LED is on and 3rd Blue LED is off | 509MHz |
| 1 0 1 | 1st Green LED always on, tx is working; 2nd Blue LED is off and 3rd Blue LED is on | 515MHz |
| 1 1 1 | 1st Green LED always on, tx is working; 2nd and 3rd Blue LED is on | 521MHz |
TX Pin Define
(also note us that you need this cable has UART TX RX function)
P1. Audio L
P2. Audio R
P3. Vídeo
P4. Gnd
P5. Vcc
P6. Gnd
P7. Tx
P8. Rx
Galeria
COFDM HDMI Receiver cofdm-907r
| Padrão | DVB-T/DVB-T2 COFDM Standards module with Diversity 2 antena | ||||
| Modulation Format | Cofdm / DVB-T | ||||
| Tensão de alimentação | 12-24VDC | ||||
| Faixa de frequência | 170MHz~930MHz (adjustable, and customized 2.4-5.8G available on your request) | ||||
| Channel Band Width | 6MHz / 7MHz / 8MHz | ||||
| Subcode carrier modulation | QPSK,16Qam,64Qam | ||||
| Intervalo de guarda | 1/8, 1/4 | ||||
| Error Code Rate | 1/2;2/3;3/4;5/6;7/8 | ||||
| Impedância de entrada | 50Ω Unbalanced | ||||
| Consumo de energia | Running:3W Max. (DC 12V in); Standby: 0.5W Max. (DC 12V in) | ||||
| Remote Control Interface | Uart / E | ||||
| Temperatura de trabalho | -20℃~+50℃ | ||||
| Temperatura de armazenamento | -40℃~+65℃ | ||||
| Audio Output | Estéreo | ||||
| Video aspect ratio | 16: 9; 4:3 | ||||
| Procurar | Automatic Channel Search, Manual Search | ||||
| Video Output Interface | CVBS, HDMI | ||||
| Infrared control | Standard NEC remote infrared receiver | ||||
| Dimensão | 112mm×67.5mm×22mm | ||||
| Remarks | Advanced signal processing for mobile environment conditions | ||||
Perguntas frequentes
Q1: Do you have a COFDM transmitter for analog CVBS camera? A small one. We need 600 meters of LOS range for a robot project and 200-300m NLOS.
A1: Sim, this model meets your demands.
ISDB-T.COM_BUYER –
I am absolutely thrilled with the performance of the COFDM-907T wireless video transmitter! The setup was incredibly straightforward—just connect my camera’s HDMI output, power it on, and it instantly established a stable link with my receiver. The video quality is exceptional; it transmits stunning 1080p HD footage with remarkably low latency, making it perfect for real-time monitoring and professional broadcasting. I’ve tested it in challenging urban environments, and the COFDM technology effortlessly maintains a rock-solid signal, even in non-line-of-sight conditions. The dual HDMI and CVBS input flexibility is a huge plus, allowing me to use it with various video sources. For drone operators, live event producers, or anyone needing reliable, high-quality wireless video transmission, this compact yet powerful transmitter is an outstanding investment. It delivers professional-grade performance without the complexity!