wireless video transmitter for the helmet camera
COFDM Wireless Isiqophi-HDMI Transmitter TX Transmission-HDMI HD 1080P CVBS H264 Encoder COFDM-907T
COFDM Wireless Isiqophi-HDMI Transmitter
COFDM Wireless Isiqophi-HDMI Transmitter TX Transmission-HDMI HD 1080P CVBS H264 Encoder COFDM-907T
Isidlulisi se-COFDM-907T iyisivinini sokudlulisa idatha yezinhlelo zokusebenza ezisezingeni eliphakeme zevidiyo nomsindo. Ngaphezu kwezidingo zekhamera ezisezingeni eliphakeme nezomsindo, ukusakaza wekhodi, futhi izidingo zesilinganiso sesiteshi ziphezulu kakhulu. Kungaba adlulisa H.264 eliphezulu ngekhodekhi, ukulungiswa kwesithombe somamukeli kufika ku-1920X1080P/60.
Okuqukethwe
Ukucaciswa
| Ifaka ikhodi | H.264, MPEG-2 |
| imvamisa Amabhendi | 170MHz ~ 930Mhz (imvamisa adjustable olutholakala Ngokufaka Isicelo) |
| Ukushintshashintsha Ifomethi | COFDM / DVB-T |
| Lokukhipha Amandla zesikhulisa | 1W 2W 5W 10W (Hlela kabusha efektri ngaphambi kokubeletha |
| Isiteshi Band Ububanzi | 6MHz 7MHz 8MHz |
| Subcode yenethiwekhi ukushintshashintsha kwezwi | QPSK, 16Unjiniyela: QAM, 64Unjiniyela: QAM |
| Iphutha Ikhodi Ukukala | 1/2;2/3;3/4;5/6;7/8 |
| Guard isikhawu | 1/32，1/16，1/8，1/4 |
| Ukusakaza Ikhodi Isiqophi | 2Mbps ~ 22Mbps |
| System ukungaphumeleli | 300 amasekhondi amancane |
| Transmission Ibanga Isicelo |
Visual ububanzi ukusetshenziswa Airborne isicelo zasolwandle ezisemadolobheni Isicelo suburban Isicelo |
| kokucindezela Ifomethi | H.264 / MPEG-2 |
| Usuku wokufaka | UART (115200bit / s) |
| Isiqophi-wokufaka | HDMI, CVBS (ividiyo-umsindo) |
| wokufaka lomsindo | Stereo, AL Kwesokunxele AR kwesokudla |
| image Incazelo | 1080P / I (1920 * 1080) 720p ehambisanayo / I,576P / I,480P / I,SD( Ukukala kokumele @ 25fram / S) |
| Isixhumanisi Sokufaka Ividiyo | 4P 1.25 Iribhoni ikhebula esibonakalayo, -HDMI esibonakalayo ejwayelekile |
| Wokufaka Voltage Ibanga | 10V ~ 35VDC |
| Temperature Ukusebenza | -20~ + 65 ℃ |
| Storage | -40~ + 70 ℃ |
| Dimension | 93mm × 56mm × 23mm(L × W × H) |
| isizinda Iyunithi yesisindo | 80g (Nge fan) Kubandakanya i-antenna engu-138g |
Ukuthuthukiswa Komnotho Wasemakhaya kanye Frequency
| LED Color | inothi | imvamisa |
| 1 0 0 | 1st I-LED eluhlaza ihlezi ivuliwe, futhi i-tx iyasebenza; 2nd ne-3rd Blue LED icishiwe | 503MHz |
| 1 1 0 | 1st I-LED eluhlaza ihlezi ivuliwe, futhi i-tx iyasebenza; 2nd Blue LED ivuliwe kanti i-3rd Blue LED icishiwe | 509MHz |
| 1 0 1 | 1st I-LED eluhlaza ihlezi ivuliwe, futhi i-tx iyasebenza; 2nd Blue LED icishiwe futhi i-3rd Blue LED ivuliwe | 515MHz |
| 1 1 1 | 1st I-LED eluhlaza ihlezi ivuliwe, futhi i-tx iyasebenza; 2nd ne-3rd Blue LED ivuliwe | 521MHz |
TX Pin Chaza
(futhi qaphela ukuthi udinga le ntambo ukuze ube nomsebenzi we-UART TX RX)
P1. Audio L
P2. Audio R
P3. Isiqophi
P4. GND
P5. Vcc
P6. GND
P7. TX
P8. RX
Igalari
COFDM-HDMI Receiver I-COFDM-907r
| Standard | DVB-T / DVB-T2 COFDM Amazinga module ne Diversity 2 I-antenna | ||||
| Ukushintshashintsha Ifomethi | COFDM / DVB-T | ||||
| Supply Voltage | 12-24VDC | ||||
| imvamisa Ibanga | 170MHz ~ 930MHz (adjustable, futhi egcizelele 2.4-5.8G olutholakala Ngokufaka Isicelo sakho) | ||||
| Isiteshi Band Ububanzi | 6MHz / 7MHz / 8MHz | ||||
| Subcode yenethiwekhi ukushintshashintsha kwezwi | QPSK,16Unjiniyela: QAM,64Unjiniyela: QAM | ||||
| Guard isikhawu | 1/8, 1/4 | ||||
| Iphutha Ikhodi Ukukala | 1/2;2/3;3/4;5/6;7/8 | ||||
| impedance wokufaka | 50Ω Unbalanced | ||||
| Ukusetshenziswa kwamandla | Running:3W Max. (DC 12V e); Hlala ULINDILE: 0.5W Max. (DC 12V e) | ||||
| Buqama Interface | UART / FUTHI | ||||
| Temperature Ukusebenza | -20℃ ~ + 50 ℃ | ||||
| Isitoreji Temperature | -40℃ ~ + 65 ℃ | ||||
| Okukhishwayo komsindo | Stereo | ||||
| Isiqophi-aspect ratio | 16: 9; 4:3 | ||||
| Ukucinga | Okuzenzakalelayo Channel Ukucinga, Ukucinga Manual | ||||
| Isiqophi lokukhipha Interface | CVBS, HDMI | ||||
| isilawuli infrared | Standard NEC akude umamukeli infrared | ||||
| Dimension | 112mm × 67.5mm × 22mm | ||||
| Amazwi | Advanced signal processing izimo imvelo mobile | ||||
Imibuzo Evame Ukubuzwa
Cishe 14 Ama-Watts ukusetshenziswa.
1U-W wanele ibanga elingu-1km. Kodwa sizokwenzela i-2W ukuze uqinisekise ukusebenza okuhle kakhulu kokwamukela.
Kubuye kuncike endaweni yangakini, kungakhathaliseki ukuthi i-LOS noma i-NLOS, sicela uhlole ividiyo yethu yokuhlola, kunezitezi nezakhiwo eziningi.
Ukuze ushintshe ama-amplifiers ahlukene mayelana 500 MW, 1 Watt, 2 Watt, noma 10 Watts. Akukhona nje ukulungisa isilungiselelo kusofthiwe, Udinga futhi ukushintsha ihadiwe ye-Power amplifier ngaphakathi kwe-transmitter. Ayikwazi ukusebenza futhi ishintshe kumsebenzisi wokugcina ojwayelekile, kanye nezindleko kanye nosayizi webhokisi lensimbi elidluliselayo kuhlukile.
Isethingi yefrikhwensi ezenzakalelayo ithi 503 MHz, 509 MHz, 521 MHz, futhi 521 Mhz ukukhetha, inkinobho eyodwa ekhabetheni ingashintsha. Uma ngempela udinga ibhendi engu-1.3Ghz kuphela, kufanele ukhethe enye imodeli (1.2G noma 1.4G). Sicela usitshele imininingwane yesicelo sakho.
Test Isiqophi
Iba ngowokuqala lokubuyekeza "COFDM Wireless Isiqophi-HDMI Transmitter TX Transmission-HDMI HD 1080P CVBS H264 Encoder COFDM-907T”
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