wireless video transmitter for the helmet camera
COFDM ha HDMI vitio uaealesi IR Transmitter TX Transmission HDMI HD 1080p CVBS H264 Encoder COFDM-907T
IR Transmitter HDMI vitio uaealesi 'a e COFDM
COFDM ha HDMI vitio uaealesi IR Transmitter TX Transmission HDMI HD 1080p CVBS H264 Encoder COFDM-907T
Ko e COFDM-907T transmitter ko ha meʻangaue ia ʻoku vave hono fakahu ʻo e fakamatala ki he ngaahi polokalama feʻaveʻaki vitio lelei mo e ongo. Makehe mei he ngaahi fie maʻu ki he vitiō lelei mo e ongo ʻo e meʻafaitaá, he vaitafe 'eni, pea ʻoku māʻolunga ʻaupito ʻa e ngaahi fie maʻu ki he senolo ʻoku fie maʻú. 'Oku lava ke 'ave (transmit) H.264 ma'olunga-lelei codec, fakaleleiʻi ʻo ha ʻimisi ʻo e receiver ʻo aʻu ki he 1920X1080P/60.
Fakahokohoko ʻo e Tohi
Fakapapau'i e
| 'Eni | H.264,MPEG-2 |
| 'A e ngaahi ha'i tu'o lahi | 170Mhz ~ 930Mhz ('Oku ma'u 'i he kole ko e tu'o lahi adjustable) |
| Founga hono tohi 'o e modulation | COFDM / DVB-M |
| Output malohi Amplifier | 1NG. LEA 2W 5W 10W (Fokotuʻutuʻu ʻi he fale ngaue kimuʻa pea toki ʻomi |
| Mormon Channel kautaha maokupu | 6MHz 7MHz 8MHz |
| Modulation makehe 'a e subcode | QPSK, 16QAM, 64QAM |
| Fehalaaki e kouti vave | 1/2;2/3;3/4;5/6;7/8 |
| Vaha'a 'o e kau le'o | 1/32，1/16，1/8，1/4 |
| Kouti 'o e vitioo | 2.1f MBPS ~ 22Mbps |
| Polokalama latency | 300 millisecond |
| Transmission kehekehe Faka'aonga'i |
Ngaahi 'ata ki Faka'aonga'i fakatu'uta tohi kole vaka tahi tohi kole he kolo 'o e tohi kole |
| Founga hono tohi 'o e lahi | H.264/MPEG-2 |
| Fakamatala 'o e 'aho | UART (ki'i 115200/s) |
| Fakahū e Vitioó | HDMI, CVBS (vitiō-ongó) |
| Fakamatala ongo | Tepi, AL to'ohema AR totonu |
| Faka'uhinga'i 'o e 'imisi | 1080P/I(1920*1080) 720p fenapasi / 'oku,576P / 'OKU,480P / 'OKU,SD( vave angatotonu @ 25fram/S) |
| Fehokotakiʻanga ki hono Fakahū ʻo e Vitioó | 4P 1.25 Loufau 'o e keipolo fengaue'aki, Fengaue'aki angamaheni 'a e HDMI |
| Fakamatala Voltage kehekehe | 10V ~ 35VDC |
| Ngaue 'a e 'ea | -20~ + 65℃ |
| Tuku'anga koloa | -40~ + 70℃ |
| Tafa'aki | 93MM × 56 mm × 23 mm(NG. LEA × L × H) |
| 'Iuniti Fakamatolu mamafa | 80l (Mo e II) Kau ai ʻa e ʻenitena 138g |
LED mo e tu'o lahi
| LED lanu | Fakatokanga'i ange | Tu'o lahi |
| 1 0 0 | 1ʻOku taki maʻu pe ʻa seni Kulini ʻi he, pea ʻoku ngāue ʻa e tx; 2ʻOku mavahe ʻa e nd mo e 3 lanu puluu | 503Mhz |
| 1 1 0 | 1ʻOku taki maʻu pe ʻa seni Kulini ʻi he, pea ʻoku ngāue ʻa e tx; 2ʻOku taki ʻa e lanu puluu pea ʻoku taki ʻa e lanu puluu | 509Mhz |
| 1 0 1 | 1ʻOku taki maʻu pe ʻa seni Kulini ʻi he, pea ʻoku ngāue ʻa e tx; 2ʻOku mavahe ʻa e nd lanu puluu pea taki ʻa e lanu puluu | 515Mhz |
| 1 1 1 | 1ʻOku taki maʻu pe ʻa seni Kulini ʻi he, pea ʻoku ngāue ʻa e tx; 2ʻOku taki ʻa e nd mo e 3 lanu puluu | 521Mhz |
Fakamatala'i e TX 'a e Pin
(toe fakatokangaʻi foki ʻoku ke fie maʻu ʻa e keipolo ko ʻeni ke maʻu ʻa e ngaue UART TX RX)
P1. Ko e ongo L
P2. Ko e ongo R
P3. Vitioo
P4. GND
P5. Vcc
P6. GND
P7. TX
P8. RX
Gallery
COFDM HDMI Receiver COFDM-907r
| Tu'unga mo'ui | DVB-T/DVB-T2 'o e ngaahi tu'unga mo'ui 'o e COFDM module kehekehe 2 'enitena | ||||
| Founga hono tohi 'o e modulation | COFDM / DVB-M | ||||
| Ma'u'anga Voltage | 12-24VDC | ||||
| Tu'o lahi kehekehe | 170MHz ~ 930MHz (adjustable, mo fakapatonu 2.4-5.8G lava ke ma'u 'i ho'o kole) | ||||
| Mormon Channel kautaha maokupu | 6MHz / 7MHz / 8MHz | ||||
| Modulation makehe 'a e subcode | QPSK,16QAM,64QAM | ||||
| Vaha'a 'o e kau le'o | 1/8, 1/4 | ||||
| Fehalaaki e kouti vave | 1/2;2/3;3/4;5/6;7/8 | ||||
| Fakahu 'a e Impedance | 50Ω palanisi | ||||
| Ma'u 'a e malohi | Lele:3Meki W. (TF 12V 'i he); Standby: 0.5Meki W. (TF 12V 'i he) | ||||
| Remote Control Interface | UART / E | ||||
| Ngaue 'a e 'ea | -20℃ ~ + 50℃ | ||||
| Tuku'anga koloa 'a e 'ea | -40℃ ~ + 65℃ | ||||
| Ongo Output | Tepi | ||||
| Fika 'o e konga vitioo | 16: 9; 4:3 | ||||
| Fekumi | Fekumi 'i he Mormon Channel 'iate, Tohi lesoni 'o e fekumi | ||||
| Vitio Output Interface | CVBS, HDMI | ||||
| Mapule'i infrared | Tu'unga mo'ui NEC mama'o infrared he receiver | ||||
| Tafa'aki | 112MM × 67.5 mm × 22 mm | ||||
| Lea | Ko e faka'ilonga kafakafa 'oku ngaue ki he ngaahi tu'unga 'o e 'atakai 'o e telefoni to'oto'o | ||||
FAQS
Meimei 14 Watts fakaʻauha.
1ʻOku feʻunga pe ʻa e W ki ha kilomita ʻe 1. Ka te mau ngaohi 2W ke ke fakapapauʻi ʻa e ngaue talitali lelei taha.
ʻOku toe makatuʻunga foki ia ʻi homou ʻatakai fakalotofonua, pe ko LOSI pe NLOS, kātaki ʻo vakaiʻi ʻemau foʻi vitiō siviʻí, ʻoku lahi e ngaahi faliki mo e ngaahi fale.
Ki hono liliu ʻo e malohi kehekehe amplifiers fekauʻaki mo 500 MW, 1 Uati, 2 Uati, pe 10 Watts. ʻOku ʻikai ko hono liliu pē ʻo e feituʻu ʻi he polokalama fakakomipiutá, ʻOku fie maʻu foki ke ke liliu ʻa e ngaahi naunau amplifier malohi ʻi loto ʻi he transmitter. He ʻikai lava ke ngaue mo liliu ʻi he tokotaha angamaheni ʻoku ne fakaʻaongaʻi, pea ʻoku kehekehe pe ʻa e totongi mo transmitter e lahi ʻo e puha ukamea.
Ko e default frequency ko e 503 Mhz, 509 Mhz, 521 Mhz, mo e 521 Mhz ke fili, ʻe lava ke liliu ha foʻi button ʻe taha ʻi he kapineti. Kapau ʻoku ke fie maʻu moʻoni ha kautaha 1.3Ghz pe, ʻoku totonu ke ke fili ha sīpinga ʻe taha (1.2G pe 1.4 G). Kātaki ʻo fakahā mai ʻa e fakaikiiki ʻo e meʻa ʻokú ke fie maʻ.
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Kātaki ʻo fetuʻutaki mai kiate kimautolu ke maʻu ha fakamatala lahi ange.
ʻAve Hoʻo FehuʻíSivi 'o e vitioo
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