ឧបករណ៍ទទួលវីឌីអូឥតខ្សែ COFDM HDMI បង្ហាញលទ្ធផលម៉ូឌែលម៉ូឌុលខ្នាតតូច RV ចម្ងាយឆ្ងាយ f uav

COFDM Wireless Video Receiver HDMI CVBS output

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

ការបញ្ជាក់

ស្តង់ដារ		DVB-T/DVB-T2 COFDM Standards module with Diversity 2 អង់តែន
Modulation Format		COFDM / DVB-T
Supply Voltage		12-24VDC
ជួរប្រេកង់		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
ចន្លោះឆ្មាំ		1/8, 1/4
Error Code Rate		1/2;2/3;3/4;5/6;7/8
កម្លាំងបញ្ចូល		50Ω Unbalanced
ការ​ប្រើប្រាស់​ថាមពល		Running:3W Max. (DC 12V in); Standby: 0.5W Max. (DC 12V in)
Remote Control Interface		UART / IR
Working Temperature		-20℃~+50℃
សី​តុ​ណ្ហា​ភាព​ផ្ទុក		-40℃~+65℃
លទ្ធផលអូឌីយ៉ូ		ស្តេរ៉េអូ
Video aspect ratio		16: 9; 4:3
ស្វែងរក		Automatic Channel Search, Manual Search
Video Output Interface		CVBS, HDMI
Infrared control		Standard NEC remote infrared receiver
វិមាត្រ		112mm×67.5mm×22mm
Remarks		Advanced signal processing for mobile environment conditions

 

Work for COFDM-907T

HD digital wireless video transmission receiver COFDM-907R
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.

លក្ខណៈពិសេស

1. Dual Antenna reception
2. Support working frequency range: 160MHz~930MHz, 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, data rate, working frequency, wireless 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, wireless bandwidth, receiving decryption password);
12. ការផ្គត់ផ្គង់ថាមពល: 6~15V, working power consumption is 230mA@12V.
13. Machine size: 115x90x34mm
14. Machine weight: 243 grams

ឧបករណ៍ភ្ជាប់:

1. Power In: 12~ ២៤ វ៉
2. RJ45：preset for future
3. HDMI Out: A type HDMI carrier, high-definition audio and video output interface
4. CVBS AV out analog video output interface
5. RF ANT In wireless signal input antenna interface, SMA external threaded inner hole
6. UART : TX RX GND to connect the PC for frequency adjust
7. យូ​អេ​ស​ប៊ី interface:
   1. Recording video can be connected to an external USB flash drive or USB hard disk
   2. Upgrade for new firmware
8. ស្វ័យប្រវត្តិ: Auto-Search new channel
9. Info: Show current channel information, for example, ភាពញឹកញាប់, bandwidth, ល
10. REC: Record current channel to the USB stick
11. Stop: Stop to record
12. Channel Switch: Switch channel loop from 503Mhz, 509Mhz, 515Mhz, and 521Mhz.
13. OK: confirmation

ទំហំ

112mm × 67.5mm × 22mm

RF Performance Test

Operating Center Frequency 470MHz, Power Amplifier: 1វ

 

 

Operating Center Frequency 700MHz, Power Amplifier: 1វ