COFDM video transmitter-receiver FAQ
COFDM video transmitter receiver AV hauv HDMI tawm FPV, Wireless 10km-15km-30km ntev-ntau pheej yig dua thiab ntev dua
Cov Lus Qhia
One-Way Video Data Downlink Pom zoo qauv
Muag Cov Ntsiab Lus / nta / Advantage
AES 128 Video Encryption
Muaj zog video encryption muaj nuj nqi los xyuas kom meej qhov kev ruaj ntseg video.
Ntev Ntev
2 Lub hwj chim Amplifier, txhawb 30KM kis tau tus mob nrug
Hloov kho zaus
Kev sib kis zaus yog hloov kho los ntawm parameter configuration board.
Teeb liab muaj zog
Lub receiver screen tuaj yeem pom lub teeb liab lub zog ntawm lub transmitter, cov neeg siv tuaj yeem txav chaw txais tos zoo dua.
Video + Cov ntaub ntawv
Tsuas yog video, nws kuj txhawb nqa cov ntaub ntawv rub tawm ntawm UART los ntawm lub tshuab xa mus rau tus txais. Ib Txoj Kev, Simplex.
Lower Latency
Qhov qis latency ncua yog tsawg dua 200 ~ 300 millisecond.
LOS and NLOS
Txhawb LOS (Line-Of-Pom) 30km and NLOS (Tsis-Line-of-Sight) 1.5km Test Video
Tag nrho cov teeb nyob rau hauv lub pob
Lub pob yog suav nrog transmitter, receiver, ob sab kav hlau txais xov thiab accessories cable.
Muag ntsiab lus
Kev them nyiaj yug encryption
Hwj chim PA RF tso zis (1 Watts lub 2 Watts)
720P sib xyaw CVBS AV nyob rau hauv lub transmitter, NTAWM + HDMI tso zis ntawm lub receiver
Kev them nyiaj yug NLOS LUB kis tau tus mob ntev
yeem parameter configures board rau tam sim no parameter qhia thiab adjustable
Pom zoo siv lub fiberglass kav hlau txais xov los txhawb lub teeb liab muaj zog thiab ntev ntev
H.264/MPEG-2 encoder
Ncua sijhawm latency <300 millisecond;
COFDM Video Transmitter yog dab tsi?
- COFDM-912T adopts COFDM siab heev (multi-carrier tes taws los piav siv tshuab), uas integrates kis cov kav hlau txais xov, tes taws los piav digital, thiab audio thiab kev yees duab digital compression.
- COFDM wireless video transmitter muaj qhov me me thiab qhov sib kis tau ntev. Modular ua ke tsim tuaj yeem siv nrog cov khaub ncaws tua zais zais thiab cov koob yees duab me me thiab tuaj yeem paub qhov zais ntawm qhov chaw siab-txhais duab sau thiab sib kis.
- COFDM wireless video transmitter yog ib qho kev sib koom ua ke ntawm cov xov tooj ntawm tes tsis-kab-ntawm-pob ntseg digital mobile video wireless cov duab kis tau tus mob uas tuaj yeem xa tawm lub sijhawm tiag tiag thiab ruaj khov suab thiab yees duab hauv kev nrawm nrawm thiab nyob rau hauv cov tsev hauv nroog..
- COFDM Wireless Video transmitter-receiver kis tau tus mob tuaj yeem ncav cuag qhov sib kis ntawm ntau dua 500 meters thiab ib txoj kab ntawm pom tshaj 10 mais raws li kev thaiv dav dav.
- COFDM Wireless video transmitters siv high-tau txais cov kav hlau txais xov lossis omnidirectional kav hlau txais xov tuaj yeem ua kom qhov sib kis tau zoo ntxiv..
- Yog tias koj xav tau lub chaw sib kis tau ntev, koj tuaj yeem siv cov kab hluav taws xob uas twb muaj lawm, kev sib txuas lus txawb (satellite), thiab siv peb lub tuam txhab xa tawm cov khoom sib txuas ntawm lub tog xaib lossis lub tshuab hluav taws xob sib txuas xov tooj cua wireless sib txuas rau kev xa mus kis. Qhov kev ncua deb ntawm qhov system tuaj yeem ncav cuag ntau dua 20 mais.
- muaj 3 txawv zog rau qhov zais cia txhaj hom khoom siv (0.5W, 1W thiab 2 W@average fais fab PA). Qhov ntau dua lub zog, qhov ntsuas lub teeb liab muaj zog thiab sib kis tau ntev npaum li cas.
- Kis deb: pom ib puag ncig ≥ 10km. Thaiv kev nyob ib puag ncig: 500m (txawv raws qhov ib puag ncig)
(yog tias koj xav tau ntev, peb kuj muaj 5W, 10W, 20W PA cov khoom, saib no)
feature
- heev kev, modular tsim
- Txais COFDM modulation technology, MPEG-2 duab compression technology
- Tag nrho cov-round kev sib txuas lus, tsis ntshai ntawm lub tsev phab ntsa
- High-speed inter-line kev sib txuas lus, tiag tiag-lub sij hawm, ruaj khov DVD duab zoo rau audio / video kis tau tus mob
- Thaum tshav kub kub tog txhuas tsev nyob, shockproof thiab poob siab-resistant
- High-fidelity digital stereo kis tau tus mob
- Tsis-line-of-pom (NLOS) mobile kis tau tus mob rau lawm deb
daim ntawv sau npe
Cov khoom no yog tsuas yog siv rau kev reconnaissance thiab forensics nyob rau hauv cov tub rog thiab kev ruaj ntseg soj ntsuam departments. Xov tooj cua thiab TV tshaj tawm hauv xov, xov tooj cua thiab TV nyob tawm: broadcasting teb, kev ua si tawm, social xov xwm, aerial nyob, studio, roob taug txuj kev nyuaj, thiab yog li ntawd. Nws yog tsim rau real-time mobile kis tau tus mob ntawm high-zoo dluab nyob rau hauv ntau txoj kev kawm xws li nroog, dej hiav txwv, thiab roob.
Rau drones ( pom zoo kom ntxiv cov lim dej ntxiv, yuav tsum tau ntxiv tus nqi )
rau CCTV
specification
Kev khiav hauj lwm Voltage: DC11V ~ DC13V (20W PA xav tau 24 ~ 28V)
receiver:
FAQs
- Yog, Qhov ntau zaus tuaj yeem hloov pauv ntawm 170Mhz (zoo los ntawm 220Mhz) rau 860mhz. Yog li nws tuaj yeem ua haujlwm zoo ntawm 260Mhz band.
- Qhov zaus yuav tsum tau hloov mus rau tib yam ntawm lub transmitter thiab receiver. Yog vim li cas, Lub hwj chim Amplifier thiab kav hlau txais xov zaus yuav tsum hloov kho tib zaus. (Koj yuav tsum tau yuav lub hwj chim amplifier thiab kav hlau txais xov rau lub transmitter thiab receiver kom tau raws li koj qhov kev hloov zaus).
- Txhawm rau txhim kho qhov rhiab heev ntawm kev xa tawm thiab tau txais, qhov zaus bandwidth feem ntau ua nqaim heev (nruab nrab zaus ±15Mhz, yog li bandwidth yuav tsum yog 30Mhz). Lub hwj chim amplifier ntawm lub transmitter thiab zaus ntawm lub kav hlau txais xov yog tshwj xeeb customized raws li qhov zaus koj xav tau.
- Nws yog qhov zoo tshaj thaum koj tso qhov kev txiav txim, thov qhia rau kuv seb koj xav tau dab tsi ua haujlwm zaus. Peb cov engineers yuav hloov qhov zaus ntawm lub transmitter thiab receiver, thiab kuj hloov kho PA thiab kev cai kav hlau txais xov raws li qhov ntau zaus no los xyuas kom meej qhov zoo tshaj plaws rhiab heev thiab txhawb qhov ntev tshaj qhov sib kis.
- Lub neej ntawd zaus yog 590Mhz, Nrog 30Mhz (+/-15Mhz), koj tuaj yeem hloov nws yam tsis tau hloov kho lub hwj chim Amplifier thiab kav hlau txais xov. Piv txwv li, 578Mhz, 584Mhz, 590Mhz, 596Mhz, thiab 602Mhz.
- Yog hais tias koj yuav tsum tau hloov lub transmitter zaus thiab bandwidth, koj xav tau ib lub cuab yeej tshwj xeeb ntawm parameter configure board, thov saib daim duab hauv qab no, nws tsis yog ib tug default accessory, thov yuav nws ntawm tus nqi ntxiv lossis tiv tauj peb ua ntej xaj.
Yog, nws txhawb xa cov video thiab UART cov ntaub ntawv los ntawm transmitter thiab receiver.
Raws li nws yog ib txoj kev kis tau tus mob, yog li nws tsis tuaj yeem xa cov lus txib los ntawm lub receiver mus rau lub transmitter.
Yog tias koj xav tau xa cov lus txib lossis lwm cov ntaub ntawv los ntawm lub receiver los tswj lwm yam khoom siv xws li lub koob yees duab lossis drones ntawm lub transmitter., koj tuaj yeem ntxiv cov khoom pheej yig digital kis tau tus mob, hu rau peb, thiab peb tuaj yeem kho nws rau koj.
Thov xyuas UART txhais ntawm lub transmitter thiab receiver ntawm qhov txuas hauv qab no. Thov qhia rau kuv yog tias koj xav tau cov kab hlau lead. (default yog tsis muaj)
Lub transmitter default Power Amplifier yog 2 Watts, yog li nws tuaj yeem txhawb nqa 30 KM ntawm kab ntawm qhov pom.
Daim duab hauv qab no yog peb qhov kev sim deb ntawm lub roob mus rau ntug hiav txwv.
Yog tias koj xav xa cov kab ntev dua, koj tuaj yeem nce lub zog amplifier. Ntxiv rau ib watt thiab ob watts, peb kuj tuaj yeem ua tau 5 watts, 10 watts, thiab 20 watts rau koj xaiv. Cov amplifiers loj dua kuj xav tau cov roj teeb loj dua thiab kev txhawb nqa tam sim no.
Rau 20W PA, Lub hwj chim yuav tsum yog 24 ~ 28V. Tsuas yog ntawm 28 volts tuaj yeem ua lub zog amplifier ua tiav qhov kev ua haujlwm zoo tshaj plaws.
Peb tus engineer tuaj yeem hloov qhov zaus mus rau 300Mhz los ntawm lub neej ntawd 590Mhz, Lub kav hlau txais xov, thiab PA hauv warehouse yog 590Mhz, 300Mhz xav tau ob lub lis piam los kho, yog li lub sijhawm xa khoom xav tau ntev dua li peb lub neej ntawd 590Mhz.
Kauj ruam 1: Thov nias OK thiab khawm sab xis tib lub sijhawm, cov ntawv qhia zaub mov seb puas yuav txuag tau tshwm ntawm qhov screen.
Kauj ruam 2: Thov nias OK kom xaiv Yog los cawm.
Nco ntsoov, thov siv tus kav hlau txais xov loj lossis ntev dua yog tias koj qhov project tso cai, nws tuaj yeem tau txais kev txais tos zoo dua hauv qhov loj dua.
Cov txheej txheem tag nrho
- SD Transmitter ( PA 0.5W, 1W, 2W, 5W, 10W, 20W, 50W xaiv tau raws li koj qhov kev thov)
- SD Transmitter kav hlau txais xov
- HDMI CVBS tso zis receiver nrog parameter tswj zaub mov thiab lub vijtsam me
- 0.8-meter receiver kav hlau txais xov 1 pcs. (Muaj ob hom kev txhim kho lossis kho lub kav hlau txais xov: 1. magnetic sucker puag kav hlau txais xov, 2. default U-type clamp FRP fiberglass kav hlau txais xov )
- yeem, parameter configuration board rau lub wireless video transmitter.
(Yog hais tias koj xav tau ib tug magnetic sucker puag kav hlau txais xov, tus nthuav qhia lossis cov neeg nqa khoom xav tias cov khoom sib nqus yuav cuam tshuam rau lawv lub dav hlau kev nyab xeeb, yog li tus nqi thauj khoom yog siab dua li U-hom clamp kav hlau txais xov. )
Lub default tag nrho set pob dimension
- 84*21*12CM
- Qhov hnyav tag nrho 4.5KG
- Yog tias koj xaiv tshaj 100cm kav hlau txais xov thiab sib nqus nqus lub hauv paus kav hlau txais xov, Qee tus neeg xa khoom thauj khoom yuav them tus nqi ntxiv, xws li cov nqi ncua ntev thiab cov nqi ntxiv rau cov khoom sib nqus muaj zog.
- Lub transmitter parameter configures board yog txawv los ntawm ib tug nyob rau hauv lub receiver. Lub firmware ntawm lub parameter configure board txawv ntawm lub transmitter thiab receiver, lawv tsis tuaj yeem siv sib hloov.
- Lub transmitter parameter configures board tuaj yeem kho lub teeb liab attenuation ntawm lub transmitter. Ib 0.3db yuav txo qhov 0.5W PA.
Lo lus nug: Nws puas tuaj yeem hloov lub zog tawm (internal PA 0,5 w, 1 w, 2 w) ntawm lub rooj tsavxwm configuration?
- Raws li teb saum toj no, koj tuaj yeem kho lub zog tso zis los ntawm kev teeb tsa qhov tsis muaj ntawm ATTEN los ntawm qhov ntsuas qhov ntsuas qhov ntsuas lub cuab yeej ntawm lub transmitter.. (Cov cuab yeej no tsis suav nrog lub neej ntawd pob, koj yuav tsum tau ceeb toom tias koj xav kom muaj cov cuab yeej no thaum koj xaj)
- Yog tias koj yuav 2W PA, ces koj tuaj yeem teem nws 0.5W, 1W, tab sis tsis tuaj yeem hloov mus rau 5W.
- Peb kuj tuaj yeem ua rau 5W, 10W, 20W, thiab 50W yog tias koj xav tau kev txhawb nqa ntev.
tsis.
Lub wireless video transmitter no tsuas yog txhawb nqa CVBS lub koob yees duab lossis yees duab tawm tswv yim, lwm hom yees duab yees xav tau ib lub thawv converter ntxiv.
tsis. Nws yog COFDM (DVB-T) technology.
Yog li COFDM zaus ntau yog 170-860Mhz. Nws tuaj yeem txhawb nqa 477, 610, 675, 724, 816Mhz, tab sis tsis tuaj yeem txhawb nqa 970, 1180, 1230 Mhz.
Peb tus qauv tshwj xeeb transmitter tuaj yeem txhawb nqa txhua qhov saum toj no, tab sis tus txais yuav tsum tau siv lub downconverter thaiv.
Yuav kom tso cai rau peb lub wireless kis tau tus mob los txhawb ntau qhov dav thiab zoo dua lub teeb liab zog, peb feem ntau teeb tsa qhov kev khiav hauj lwm zaus mus rau ib qho chaw (170~ 860Mhz), thiab nws cov kev txhawb nqa tsuas yog ntxiv lossis rho tawm 15Mhz. Piv txwv li, Qhov nruab nrab zaus yog 590Mhz, max txhawb ntau zaus yuav tsum yog 575Mhz ~ 605Mhz, PA thiab kav hlau txais xov tshwj xeeb yog kho raws li qhov chaw nruab nrab no.
Gallery
Ceeb toom
- Raws li qhov no transmitter muaj built-in 1W lossis 2W PA sab hauv, thov txuas tus kav hlau txais xov transmitter ua ntej ces muab lub hwj chim los tiv thaiv lub transmitter PA Power Amplifier.
- Txhawm rau kom muaj kev ruaj ntseg ntawm kev xa thiab txais cov cim ntawm cov duab xa mus thiab kev sib kis ntawm daim duab, thov tsis txhob thaiv lub kav hlau txais xov kom ntau li ntau tau, thiab sim muab tso rau hauv qhov chaw siab, xws li ntawm lub ru tsev lossis ntawm lub tripod.
- Thov khaws lub kav hlau txais xov ntsug.
- Thov nco ntsoov tias muaj qee qhov siab qhov sib txawv ntawm tus kav hlau txais xov xa xov thiab cov kav hlau txais xov.
Real Test in City NLOS (uas tsis yog-txoj kab ntawm pom) txhawb 1.5km, Transmitter nyob rau hauv lub tsev, transmitter nyob rau hauv lub tsiv rau UGV (unmanned av tsheb)
COFDM Wireless video transmitter receiver kis tau tus mob nrog tshem tau configuration parameter teem board
Real Test in the City NLOS, Transmitter ntawm lub tsev, thiab receiver nrog lub koob yees duab hauv lub tsheb txav, complex ib puag ncig.
1.5km rau av NLOS, 10-20-30km LOS huab cua mus rau hauv av wireless video transmitter receiver kis tau tus mob
Pheej yig Wireless video transmitter thiab txais lub vijtsam me me muaj kev pab zoo ntawm lub teeb liab lub zog xauv
Test PAL thiab NTSC CVBS composite lub koob yees duab rau FPV wireless video transmitter thiab receiver VTX
Cov neeg siv phau ntawv
720p kis tau tus mob lo lus tseem ceeb
Video link | cofdm video transmitter | video transmitter txais nyiaj wireless nqa |
cofdm wireless video transmitter | HDMI rau cofdm modulator | long-range video transmitter-receiver |
ntev-ntau wireless video transmitter receiver | cofdm wireless video transmitter | HD-SDI video transmitter |
fiber optic suab video transmitter receiver | manpack cofdm wireless mobile video transmitter-receiver | fais fab video transmitter hla coaxial rau |
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roj teeb-powered video transmitter | 4g video transmitter | RCA wireless audio video transmitter thiab txais xov tooj |
video koob yees duab wireless transmitter | FPV cofdm transmitter | 70 km ntev-ntau wireless video transmitter |
HD video transmitter | video xa xov tooj txawb | wireless video transmitter rau iPhone iPad iPod |
GoPro video transmitter | laser video transmitter | long-range audio video transmitter thiab receiver |
HDMI video transmitter | tshaj tawm hauv xov tooj cua transmitter | muaj cov xa xov tooj thiab xa tawm dua cat5 |
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transmitter module | audio video transmitter wireless | HD-SDI wireless video transmitter thiab receiver |
transmitter-txais | 10km xov tooj cua xa tawm | 5.8 GHz video transmitter thiab txais |
FPV transmitter | wireless analog video xa | 1.2ghz 400mw video transmitter |
tv tshaj tawm hauv xov transmitter | wireless VGA video transmitter | 5.8ghz wireless video transmitter txais |
COFDM uav | 700mhz video transmitter | Wireless 1.2GHz FPV video transmitter |
SDI cofdm video transmitter | 433 mhz video transmitter | 2.4ghz video transmitter thiab txais |
10km wireless cofdm video transmitter | camcorder wireless video transmitter | 433mhz wireless audio video transmitter thiab receiver |
OEM cov | USB wireless video transmitter | video wifi transmitter |
uav cofdm | wireless video transmitter module | Ntev-ntau wireless video transmitter 200km 800mhz |
ob COFDM modulator | video transmitter 15w | wireless audio video transmitter txais 5.8ghz |
mini cofdm transmitter | audio audio cov khoom txais | ntev-ntau wireless video transmitter 100km 800mhz |
wireless cofdm video transmitter module | ntev-ntev video transmitter | 5.8ghz wireless video transmitter thiab txais xov hluav taws xob |
encoder cofdm module | 25mw cov xov xa tawm | wireless hloov dua siab tshiab transmitter |
cofdm modulator | Lub hwj chim video transmitter CCTV | wireless yees duab yees xa |
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ntev ntau hd cov cofdm | tv audio video transmitter | digital video optical transmitter-receiver |
Video transmitter cofdm DVB t | FPV cofdm transmitter | wireless suab seev yees duab repeater |
Ntev-ntau HD digital cofdm transmitter | 20km xov tooj cua xa tawm | video koob yees duab wireless transmitter |
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Shenzhen cofdm transmitter | wireless video transmitter receiver | 8ch mini video optic transmitter |
HDMI rau cofdm modulator | fais fab tuag lawm video transmitter | wireless audio video sender transmitter-receiver |
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UHF module 5 w | HD wireless video transmitter | 2.4 GHz wireless video thiab audio transmitter |
433mhz RF module amplifier | analog transmitter | hdmi wireless kis thiab txais lub vis dis aus |
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2.4ghz wireless CCTV transmitter | PTZ wireless video transmitter | wireless transmitter |
wireless cov ntaub ntawv txuas | Wireless RGB video transmitter | transmitter thiab receiver |
Video Transmitter | 2-watt video transmitter | wireless transmitter thiab receiver |
50km wireless HD video transmitter | tsim nyog cov xov tooj digital transmitter | wireless transmitter-txais |
HD-SDI wireless video transmitter modules | wireless kaw cov vis dis aus | UAV transmitter |
wireless video transmitter thiab receiver 720p | 900 mhz video transmitter | shortwave transmitter |
cofdm modulator | ntev cov duab vis dis aus | coaxial video transmitter thiab txais |
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cofdm transceiver | wireless audio video kis tau txais | HF transmitter |
cofdm module | ntev-ntau wireless video transmitter | DVB transmitter |
neeg soj xyuas cofdm | portable wireless xa cov khoom siv wireless | transmitter |
cofdm modem | video transmitter rau IP lub koob yees duab | 25km ntawm video transmitter |
cofdm transmitter nqi | wireless video transmitter thiab receiver | wireless video transmitter receiver module |
UAV cofdm transmitter | ||
Xyuas
Muaj cov kev xyuas tsis tau.