wireless video transmitter for the helmet camera
COFDM Inalámbrica di Video HDMI Transmiti TX Transmishon HDMI HD 1080P CVBS Codificador H264 COFDM EN 907T
COFDM Inalámbrica di Video HDMI Transmiti
COFDM Inalámbrica di Video HDMI Transmiti TX Transmishon HDMI HD 1080P CVBS Codificador H264 COFDM EN 907T
COFDM-907T transmitter is a high-speed data transmission device for high-quality video and audio transmission applications. In addition to the high-quality video and audio requirements of the camera, e codificación ta e siensia di, and channel rate requirements are very high. E por transmití H. 264 haltu kalidat code, a receiver image resolution up to 1920X1080P/60.
Table of Contents
Specialisacion
| Codificación | H. 264,PAG en 2 |
| Komandante Di Vishonnan | 170Mhz~930Mhz (vishonnan ajustable disponé bou di petishon) |
| Forma Di Modulación | COFDM / DVB EN T |
| Poder Di Pafó Di Empleado | 1W 2W 5W 10W (Preset in the factory before delivery |
| Hanchura Di Strepi Di Cual | 6MHz 7MHz 8MHz |
| Subcode carrier modulation | QPSK, 16OM, 64OM |
| E Kódigo Di Eror Den E Ta Na | 1/2;2/3;3/4;5/6;7/8 |
| E Internal Ta Warda | 1/32，1/16，1/8，1/4 |
| Kódigo di Video team | 2Mbps～22Mbps |
| Di agensia di e sistema | 300 milisegundo |
| Pago Di Transicion Splicacion |
Inskudriñabel Vital na Laira ta uza marítimo di e splicacion urbano di Splicacion cebuano di Splicacion |
| Forma Un Impresion | H. 264/MAG en 2 |
| Fecha Di Entrada | AT（115200bit/s) |
| Video-Input | HDMI, CVBS (video-audio) |
| Entrada Di Oudio | Strea, NA e Robes AR derecho |
| Definishon Di E Imagen | 1080P/I (e inecia ta 1920*1080）compatible 720P/I,576P/I,480P/I,CD( calidad di fotografia@ 25fram/S) |
| Video-Input Interface | 4P 1.25 Di sint di kabel di interfaz, HDMI interfaz standard |
| Pago Di Tension Di Entrada | 10V～35VDC |
| Emerita Di Trabou | -20~+65℃ |
| Lansamentu | -40~+70℃ |
| Midí | 93m x 56mm x 23mm(L×W×H) |
| E Peso di e het unidat | 80g (Ku e sentido) Including antenna 138g |
LID i e Vishonnan
| Koló di LID | Observacion | Vishonnan |
| 1 0 0 | 1st Green LED is always on, and tx is working; 2nd and 3rd Blue LED is off | 503Mhz |
| 1 1 0 | 1st Green LED is always on, and tx is working; 2nd Blue LED is on and 3rd Blue LED is off | 509Mhz |
| 1 0 1 | 1st Green LED is always on, and tx is working; 2nd Blue LED is off and 3rd Blue LED is on | 515Mhz |
| 1 1 1 | 1st Green LED is always on, and tx is working; 2nd and 3rd Blue LED is on | 521Mhz |
In TX Definí
(also note that you need this cable to have the UART TX RX function)
P1. Audio L
P2. Audio R
P3. Video
P4. GND
P5. Vcc
P6. GND
P7. TX
P8. RX
Guera
COFDM HDMI Receiver COFDM-907r
| Standard | DVB-T/DVB-T2 COFDM Standards module with Diversity 2 orea | ||||
| Forma Di Modulación | COFDM / DVB EN T | ||||
| Tension Di Kuminda | 12-24VDC | ||||
| Pago Di Vishonnan | 170MHz~930MHz (ajustable, and customized 2.4-5.8G available on your request) | ||||
| Hanchura Di Strepi Di Cual | 6MHz / 7MHz / 8MHz | ||||
| Subcode carrier modulation | QPSK,16OM,64OM | ||||
| E Internal Ta Warda | 1/8, 1/4 | ||||
| E Kódigo Di Eror Den E Ta Na | 1/2;2/3;3/4;5/6;7/8 | ||||
| Impedancia Di Entrada | 50Ω Unbalanced | ||||
| E Consul Di Energia | Running:3W Max. (DC 12V in); Standby: 0.5W Max. (DC 12V in) | ||||
| Remote Control Interface | AT / BAI | ||||
| Emerita Di Trabou | -20℃~+50℃ | ||||
| Emerita Di Almasenamentu | -40℃~+65℃ | ||||
| Pafó Di Oudio | Strea | ||||
| Video aspect ratio | 16: 9; 4:3 | ||||
| Búskeda | Automatic Channel Search, Manual Search | ||||
| Video Output Interface | CVBS, HDMI | ||||
| Infrared control | Standard NEC remote infrared receiver | ||||
| Midí | 112mm×67.5mm×22mm | ||||
| Remarks | Advanced signal processing for mobile environment conditions | ||||
FAQs
Almost 14 Watts consumption.
1W is enough for a 1km distance. But we will make 2W for you to ensure the best reception performance.
It also depends on your local environment, whether it is LOS or NLOS, please check our test video, there are many floors and buildings.
For changing different power amplifiers about 500 MW, 1 Watt, 2 Watt, òf 10 watts. It is not just adjusting the setting in the software, You also need to change the Power amplifier hardware inside the transmitter. It can not operate and change at the normal end-user, and the cost and transmitter metal box size are different.
The default frequency setting is 503 Mhz, 509 Mhz, 521 Mhz, i 521 Mhz to choose, one button on the cabinet can change. If you really need a 1.3Ghz band only, you should choose another model (1.2G or 1.4G). Please tell us the details of your demand.
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