COFDM 無線視訊 HDMI 發射器
COFDM Wireless Video 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, 編碼流, 通道速率要求非常高. It can transmit H.264 high-quality codec, 接收端影像解析度高達1920X1080P/60.
規格
| 編碼 | H.264、MPEG-2 |
| Frequency Bands | 170兆赫~930兆赫 (可依要求提供可調頻率) |
| Modulation Format | 正交頻分複用 / DVB-T |
| Output Power Amplifier | 1瓦 2瓦 5瓦 10瓦 (Preset in factory before delivery |
| Channel Band Width | 6MHz 7MHz 8MHz |
| Sub code carrier modulation | 四相相移鍵控, 16QAM, 64QAM |
| Error Code Rate | 1/2;2/3;3/4;5/6;7/8 |
| 保護間隔 | 1/32，1/16，1/8，1/4 |
| 視訊碼串流 | 2Mbps～22Mbps |
| 系統延遲 | 300 millisecond |
| 傳輸範圍 Application |
可視範圍 機載使用 maritime application 城市應用 suburban Application |
| Compression Format | H.264/MPEG-2 |
| 日期輸入 | UART（115200bit/s) |
| 視訊輸入 | HDMI, CVBS (視訊音訊) |
| Audio Input | 立體聲, AL 左 AR 右 |
| 影像定義 | 1080P/I（1920*1080）相容於720P/I,576P/I,480P/I,SD( frame rate@ 25fram/S) |
| Video Input Interface | 4磷 1.25 Ribbon cable interface, HDMI standard interface |
| Input Voltage Range | 10電壓～35VDC |
| Working Temperature | -20～+65℃ |
| 貯存 | -40～+70℃ |
| Dimension | 93mm×56mm×23mm(長×寬×高) |
| Weight base unit | 80克 (帶著風扇) Including antenna 138g |
LED and Frequency
| LED顏色 | Note | 頻率 |
| 1 0 0 | 1st Green LED always on, tx is working; 2第 2 個和第 3 個藍色 LED 熄滅 | 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; 2第 2 個和第 3 個藍色 LED 亮起 | 521Mhz |
TX 腳位定義
(also note us that you need this cable has UART TX RX function)
P1. 音訊L
P2. 音頻R
P3. 影片
P4. GND
P5. 電源電壓
P6. GND
P7. TX
P8. 接收
Gallery
COFDM HDMI Receiver COFDM-907R
| Standard | DVB-T/DVB-T2 COFDM Standards module with Diversity 2 antenna | ||||
| Modulation Format | 正交頻分複用 / DVB-T | ||||
| Supply Voltage | 12-24直流電壓 | ||||
| 頻率範圍 | 170MHz~930MHz (adjustable, and customized 2.4-5.8G available on your request) | ||||
| Channel Band Width | 6兆赫茲 / 7兆赫茲 / 8兆赫茲 | ||||
| Subcode carrier modulation | 四相相移鍵控,16QAM,64QAM | ||||
| 保護間隔 | 1/8, 1/4 | ||||
| Error Code Rate | 1/2;2/3;3/4;5/6;7/8 | ||||
| Input Impedance | 50Ω不平衡 | ||||
| 耗電量 | 跑步:3W Max. (DC 12V in); Standby: 0.5W Max. (DC 12V in) | ||||
| Remote Control Interface | UART / IR | ||||
| Working Temperature | -20℃~+50℃ | ||||
| Storage Temperature | -40℃~+65℃ | ||||
| Audio Output | 立體聲 | ||||
| Video aspect ratio | 16: 9; 4:3 | ||||
| 搜尋 | Automatic Channel Search, 手動搜尋 | ||||
| Video Output Interface | CVBS, HDMI | ||||
| Infrared control | Standard NEC remote infrared receiver | ||||
| Dimension | 112mm×67.5mm×22mm | ||||
| 評論 | Advanced signal processing for mobile environment conditions | ||||
常問問題
Q1: Do you have a COFDM transmitter for analog CVBS camera? 一個小的. 我們需要 600 機器人專案的 LOS 範圍為 米，NLOS 範圍為 200-300m.
A1: 是的, 這型號滿足你的要求.
isdb-t.com_buyer –
我對 COFDM-907T 無線視訊發射器的性能感到非常興奮! 設定非常簡單—只需連接相機的 HDMI 輸出即可, power it on, 它立即與我的接收器建立了穩定的鏈接. 視訊品質非常出色; 它以極低的延遲傳輸令人驚嘆的 1080p 高清素材, 使其非常適合即時監控和專業廣播. 我已經在充滿挑戰的城市環境中對其進行了測試, COFDM 技術毫不費力地保持堅如磐石的訊號, 即使在非視距條件下. 雙 HDMI 和 CVBS 輸入彈性是一個巨大的優勢, 允許我將它與各種視頻源一起使用. 對於無人機操作員, 現場活動製作人, 或任何需要可靠的人, 高品質無線視訊傳輸, 這款緊湊而強大的發射器是一項出色的投資. 它提供了專業級的性能，但沒有複雜性!