COFDM Wireless Video HDMI Transmitter
COFDM Wireless HDMI Transmitter TX Transmission HDMI HD 1080P CVBS H264 Encoder 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.
مشخصات
| رمزگذاری | H.264,MPEG-2 |
| باندهای فرکانس | 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 |
| فاصله نگهبانی | 1/32，1/16，1/8，1/4 |
| Video Code stream | 2Mbps～22Mbps |
| System latency | 300 millisecond |
| محدوده انتقال برنامه |
Visual range Airborne use maritime application urban Application suburban Application |
| Compression Format | H.264/MPEG-2 |
| Date Input | UART（115200bit/s) |
| Video Input | HDMI, CVBS (video audio) |
| Audio Input | استریو, 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 | 4پ 1.25 Ribbon cable interface, HDMI standard interface |
| محدوده ولتاژ ورودی | 10V～35VDC |
| دمای کاری | -20~+65℃ |
| ذخیره سازی | -40~+70℃ |
| بعد | 93mm×56mm×23mm(L×W×H) |
| Weight base unit | 80g (With the fan) Including antenna 138g |
LED and Frequency
| LED Color | توجه داشته باشید | فرکانس |
| 1 0 0 | 1st Green LED always on, tx is working; 2nd and 3rd Blue LED is off | 503مگاهرتز |
| 1 1 0 | 1st Green LED always on, tx is working; 2nd Blue LED is on and 3rd Blue LED is off | 509مگاهرتز |
| 1 0 1 | 1st Green LED always on, tx is working; 2nd Blue LED is off and 3rd Blue LED is on | 515مگاهرتز |
| 1 1 1 | 1st Green LED always on, tx is working; 2nd and 3rd Blue LED is on | 521مگاهرتز |
TX Pin Define
(also note us that you need this cable has UART TX RX function)
P1. Audio L
P2. Audio R
P3. ویدئو
P4. GND
P5. Vcc
P6. GND
P7. TX
P8. RX
گالری
COFDM HDMI Receiver cofdm-907r
| استاندارد | DVB-T/DVB-T2 COFDM Standards module with Diversity 2 آنتن | ||||
| Modulation Format | COFDM / DVB-T | ||||
| ولتاژ تغذیه | 12-24VDC | ||||
| محدوده فرکانس | 170MHz~930MHz (adjustable, and customized 2.4-5.8G available on your request) | ||||
| Channel Band Width | 6مگاهرتز / 7مگاهرتز / 8مگاهرتز | ||||
| Subcode carrier modulation | QPSK,16QAM,64QAM | ||||
| فاصله نگهبانی | 1/8, 1/4 | ||||
| Error Code Rate | 1/2;2/3;3/4;5/6;7/8 | ||||
| امپدانس ورودی | 50Ω Unbalanced | ||||
| مصرف برق | Running:3W Max. (DC 12V in); Standby: 0.5W Max. (DC 12V in) | ||||
| Remote Control Interface | UART / و | ||||
| دمای کاری | -20℃~+50℃ | ||||
| دمای ذخیره سازی | -40℃~+65℃ | ||||
| خروجی صدا | استریو | ||||
| Video aspect ratio | 16: 9; 4:3 | ||||
| جستجو کنید | Automatic Channel Search, Manual Search | ||||
| Video Output Interface | CVBS, HDMI | ||||
| Infrared control | Standard NEC remote infrared receiver | ||||
| بعد | 112mm×67.5mm×22mm | ||||
| Remarks | Advanced signal processing for mobile environment conditions | ||||
سوالات متداول
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: بله, 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, آن را روشن کنید, 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!