COFDM yees duab transmitter-receiver FAQ
COFDM yees duab transmitter receiver AV hauv HDMI tawm FPV, Wireless 10km-15km-30km ntev-ntau yam cheaper thiab ntev
Cov Txheej Txheem
Ib-txoj kev yees duab downlink pom zoo qauv
Ntsiab lus muag / Nta / kom zoo dua
AES 128 Yees duab Encryption
Muaj zog yees duab encryption muaj nuj nqi kom cov yees duab ruaj ntseg.
nyob deb li cas
2 Watts hwj huam Amplifier, kev them nyiaj yug 30KM transmission nyob deb li cas
Frequency Modifiable
Transmission frequency yog modifiable los ntawm cov parameter configuration board.
teeb liab
Receiver screen yuav qhia tau hais tias lub teeb liab lub zog ntawm tus transmitter, Cov neeg siv yuav tsiv mus nyob zoo txais tos qhov chaw.
Yees duab + Cov Ntaub Ntawv
Tsuas yog yees duab, Nws kuj txhawb download cov ntaub ntawv ntawm lub UART ntawm tus transmitter rau lub receiver. ib-txoj kev, yooj yim.
Txo Latency
Qhov tsawg tshaj plaws latency qeeb yog tsawg tshaj 200.300 millisecond.
POOB THIAB NLOS
KEV THEM NYIAJ YUG POOB HAUJ LWM (Line-of-sight) 30riam thiab NLOS (Cov-line-of-sight) 1.5riam Kev ntsuam xyuas yees duab
Daim ntawv qhia txog teev nyob rau hauv lub pob
Lub pob yog nrog rau transmitter, receiver, Ob tog antenna thiab accessories cable.
Ntsiab lus muag
Yug encryption
Haib PA RF tso zis (1 Watts los yog 2 Watts)
720P composite CVBS AV nyob rau ntawm tus transmitter, AV + HDMI tso zis rau lub receiver
Yug NLOS POOB kev sib kis mus ntev
Yeem parameter configures board rau tam sim no parameter uas qhia thiab kho
Pom zoo siv fiberglass antenna txhawb muaj zog teeb liab thiab ntev-ntau yam
H.264/MPEG-2 encoder
Qeeb latency <300 Millisecond;
Tus COFDM yees duab Transmitter?
- COFDM-912T adopts siab heev COFDM (muaj kev siv tshuab modulation tshuab), Uas integrates transmitting antenna, cov modulation, suab thiab suab Yees duab cov compression.
- COFDM wireless yees duab transmitter muaj ib me me thiab ib transmission nyob deb li cas. Modular tag nrho tsim yuav siv tau nrog zais cia shooting khaub ncaws thiab koob yees duab me me thiab yuav twb paub lawm nkaum on-site high-txhais duab sau thiab transmission.
- COFDM wireless yees duab transmitter yog ib tug integrated mobile non-line-of-sight cov mobile yees duab wireless duab transmission khoom uas yuav transmit real-time thiab ruaj khov audio thiab yees duab hauv high-speed zog thiab raws li tus mob ntawm urban vaj tse.
- Tus COFDM Wireless yees duab transmitter-receiver transmission lawv yuav mus txog ib transmission nyob deb li cas ntawm ntau tshaj 500 xov thiab ib kab pom ntau tshaj 10 kilometers thaiv cov neeg mob.
- COFDM Wireless yees duab transmitters siv high-gain directional antennas los yog omnidirectional antennas yuav ntxiv kom tus transmission nyob deb li cas.
- Yog hais tias koj yuav tsum tau nyob deb li cas, Koj yuav siv tau lub network uas twb muaj lawm wired network, kev sib txuas lus (satellite), thiab siv peb lub tuam txhab portable relay transmission khoom los yog tsheb mounted wireless yees duab transmission lawv rau relay transmission. Tus transmission nyob deb li cas ntawm lub kaw lus yuav mus txog ntau tshaj 20 kilometers.
- Muaj 3 Txawv powers rau daim zais cia txhaj tshuaj (0.5W, 1W thiab 2W@average hwj huam PA). Lub hwj huam ntau dua, Lub teeb liab penetration thiab ntev tus transmission nyob deb li cas.
- Kis nyob deb li cas: visual ib puag ncig ≥ 10km. thaiv ib puag ncig: ≥500m (txawv ntawm qhov chaw)
(yog hais tias koj xav tau ntau yam ntev, Peb kuj muaj 5W, 10W, 20W PA khoom, Pom No)
Feature
- Integrated, modular tsim
- Adopt COFDM modulation tshuab, MPEG-2 duab compression tshuab
- Tagnrho-muab kev sib txuas lus, tsis ntshai phab ntsa phab ntsa
- High-speed inter-line sib txuas lus, sij hawm tiag, Ruaj khov DVD duab zoo rau audio/yees duab transmission
- Tshav kub kub aluminum tsev, shockproof thiab poob siab-resistant
- High-fidelity cov stereo transmission
- Cov-line-of-sight (NLOS) mobile transmission nyob deb li cas
Cov Ntaub Ntawv Thov Kev Pab
Qhov khoom no mas siv rau kev reconnaissance thiab forensics nyob rau hauv cov tub rog thiab kev ruaj ntseg soj ntsuam cov tuam tsev. Xov tooj cua thiab TV tshaj tawm hauv xov, xov tooj cua thiab TV nyob tshaj tawm hauv xov: broadcasting teb, kev ua si tshaj tawm hauv xov, xov xwm kev sib raug zoo, aerial nyob, studio, roob adventure, thiaj li. Nws yog suitable rau real-time mobile transmission ntawm cov dluab zoo nyob rau ntau txoj xws li urban, marine, roob.
Rau drones ( pom zoo ntxiv filters, xav tau ntxiv )
Rau CCTV
Specification
Kev Khiav Hauj Lwm Voltage: DC11V-DC13V (20W PA needs 24~28V)
receiver:
FAQs
- Yog, Cov zauv ntau yam yuav tau hloov ntawm 170Mhz (Zoo ntawm 220Mhz) rau 860Mhz. Li ntawd, nws yuav ua hauj lwm zoo ntawm 260Mhz qhab.
- Qhov frequency yuav tsum tau hloov mus rau tib yam rau cov transmitter thiab receiver. ua kom muaj kev ua kom muaj, Lub hwj huam Amplifier thiab antenna frequency yuav tsum hloov tib zaus. (Koj yuav tau mus yuav ib lub hwj huam amplifier thiab antenna rau lub transmitter thiab receiver kom tau raws li koj hloov zaus).
- Yuav kom cov rhiab ntawm transmitting thiab tau txais, Cov frequency bandwidth feem ntau ua nqaim heev (qhov chaw ±15Mhz, Li ntawd, bandwidth yuav tsum tau 30Mhz). Lub hwj huam amplifier ntawm tus transmitter thiab cov frequency ntawm tus antenna yog tshwj xeeb tshaj yog customized raws li tus frequency koj xav tau.
- Nws zoo tshaj plaws thaum koj muab ib qho kev txiav txim, thov qhia kuv seb koj ua hauj lwm zoo li cas uas koj xav tau. Peb engineers yuav hloov lub frequency ntawm tus transmitter thiab receiver, thiab kuj hloov cov PA thiab kev lis kev cai antenna raws li no zaus ntau yam Xyuas kom meej tias qhov zoo tshaj plaws thiab txhawb qhov ntev transmission nyob deb li cas.
- Tus default frequency yog 590Mhz, Nrog 30Mhz (+/-15Mhz), Koj yuav hloov nws tsis modifying lub hwj huam Amplifier thiab antenna. Piv txwv, 578Mhz, 584Mhz, 590Mhz, 596Mhz, thiab 602Mhz.
- Yog hais tias koj yuav tsum tau hloov tus transmitter frequency thiab bandwidth, Koj xav tau ib tug tshwj xeeb ntawm lub parameter configure board, thov saib daim duab hauv qab no, Nws tsi muaj ib tug default accessory, Thov yuav nws ntawm tus nqi ntxiv los yog hu rau peb ua ntej yuav txiav txim.
Yog, Nws txhawb xa cov yees duab thiab UART cov ntaub ntawv Ntawm tus transmitter thiab receiver.
Thaum nws yog ib txoj kev transmission, Li ntawd, nws yuav tsis xa tus tswj command ntawm tus receiver rau lub transmitter.
Yog hais tias koj yuav tsum xa tswj commands los yog lwm cov ntaub ntawv los ntawm tus receiver los tswj lwm yam li koob yees duab los yog drones ntawm tus transmitter, Koj yuav ntxiv ib txheej pheej yig transmission khoom, hu rau peb, thiab peb yuav customize nws rau koj.
Thov xyuas cov UART txhais ntawm tus transmitter thiab receiver ntawm qhov txuas hauv qab no. Thov qhia rau kuv yog hais tias koj xav kom muaj ib cov hlau lead cable. (tsis muaj)
Tus transmitter default Power Amplifier yog 2 Watts, Li ntawd, nws yuav txhawb tau 30 KM ntawm line-of-sight.
Cov duab hauv qab no yog peb kuaj nyob deb li cas ntawm lub roob rau lub seaside.
Yog hais tias koj xav transmit ntau yam ntev, Koj yuav ua tau kom lub hwj huam amplifier. Ntxiv rau ib watt thiab ob watts, Peb kuj ua tau 5 watts, 10 watts, thiab 20 watts rau koj xaiv. Loj amplifiers kuj yuav tsum tau loj roj teeb thiab tam sim no txhawb.
Rau 20W PA, Lub hwj huam mov yuav tsum muaj 24.28V. Tsuas yog thaum kawg xwb 28 volts yuav lub hwj huam amplifier cuag qhov zoo tshaj plaws ua hauj lwm.
Peb engineer yuav hloov cov frequency rau 300Mhz ntawm tus default 590Mhz, Tus antenna, Thiab PA hauv lub warehouse yog 590Mhz, 300Mhz xav tau ob lub lis piam rau customize, Li ntawd, tus me nyuam lub sij hawm yuav tsum tau ntev dua peb default 590Mhz.
kauj ruam 1: Thov nias ok thiab txoj cai khawm tib lub sijhawm, Ib tug txiv neej uas yuav txuag tau tshwm rau ntawm qhov screen.
kauj ruam 2: Thov xovxwm OK xaiv Yes txuag tau.
nco ntsoov qhia, Thov siv qhov loj los yog ntev dua antenna yog hais tias koj qhov project tso cai, Nws yuav tau txais tos txais tos kev kawm nyob rau hauv cov ntau yam loj.
Lub default daim ntawv qhia txog teev
- SD Transmitter ( PA 0.5W, 1W, 2W, 5W, 10W, 20W, 50W xaiv raws li koj qhov kev txiav txim thov)
- SD Transmitter antenna
- HDMI CVBS tso zis receiver nrog parameter tswj zaub mov thiab me me screen
- 0.8-meter receiver antenna 1 pcs. (Muaj ob hom installing los yog kho cov antenna: 1. magnetic sucker puag antenna, 2. Default U-hom clamp FRP fiberglass antenna )
- Yeem, parameter configuration board rau lub wireless yees duab transmitter.
(Yog hais tias koj xav tau ib tug magnetic sucker puag antenna, Tus qhia los yog carrier xav tias cov khoom magnetic yuav cuam tshuam nrog lawv lub dav hlau kev ruaj ntseg, Li ntawd, tus nqi shipping yog ntau tshaj ib U-hom clamp antenna. )
Tus default daim ntawv qhia txog teev pob dimension
- 84*21*12CM
- Tag nrho luj 4.5KG
- Yog hais tias koj xaiv tshaj 100cm antenna thiab magnetic sucker puag antenna, Ib txhia freight forwarders yuav them nqi ntxiv, Xws li cov nqi ntxiv thiab cov nqi ntxiv rau cov khoom magnetic khoom.
- Tus transmitter parameter configures board yog txawv ntawm ib tus receiver. Qhov ruaj rau lub parameter configure board yog txawv ntawm tus transmitter thiab receiver, Lawv tsis tau siv interchangeably.
- Tus transmitter parameter configures board yuav kho tau lub teeb liab attenuation rau lub transmitter. Ib 0.3db yuav txo tau qhov 0.5W PA.
Lus nug: Tej zaum yuav hloov lub hwj huam outpout (paj thoob ntiaj teb 0,5 w, 1 w, 2 w) Ntawm lub rooj tswjhwm saib cov configuration?
- Teb saum toj no, Koj yuav kho tau cov zis tso zis los teev cov parameters ntawm ATTEN los ntawm cov parameter configuration board tool rau lub transmitter. (Qhov no tsis muaj xws li cov pob default pob, Koj yuav tsum qhia rau koj paub tias koj xav kom muaj cov cuab yeej no thaum koj txiav txim)
- Yog hais tias koj yuav 2W PA, Ces koj yuav teem nws 0.5W, 1W, Tiam sis yuav tsis hloov nws mus rau 5W.
- Peb kuj yuav ua rau 5W, 10W, 20W, thiab 50W yog hais tias koj xav tau kev pab txhawb mus sij hawm ntev.
Tsis muaj.
No wireless yees duab transmitter tsuas txhawb CVBS koob yees duab los yog yees duab input, Lwm hom yees duab yees duab xav tau ib lub thawv converter ntxiv.
Tsis muaj. Nws yog COFDM (DVB-T) Tej txuj ci tshiab.
Li ntawd, cov COFDM frequency ntau yam yog 170-860Mhz. Nws yuav txhawb tau kev them nyiaj yug me nyuam 477, 610, 675, 724, 816Mhz, tab sis yuav tsis txhawb 970, 1180, 1230 Mhz.
Peb tus qauv tshwj xeeb transmitter yuav txhawb tag nrho cov saum toj no ntau yam, Tiam sis tus receiver yuav tsum siv cov downconverter thaiv.
Thiaj li yuav cia peb wireless transmitting lawv txhawb ib wider ntau yam thiab zoo teeb liab lub zog, Peb feem ntau teem cov kev khiav hauj lwm frequency rau ib kis (170£860Mhz), Thiab nws txaus siab ntau yam yog tsuas plus los yog rho tawm 15Mhz. Piv txwv, Qhov chaw frequency yog 590Mhz, max kev them nyiaj yug frequency ntau yam yuav tsum tau 575Mhz$605Mhz, Cov PA thiab antenna yog tshwj xeeb tshaj yog customized raws li qhov chaw no zaus.
Gallery
Lus Ceeb Toom
- Raws li no transmitter tau ua-hauv 1W los yog 2W PA hauv, Thov txuas tus transmitter antenna ua ntej ces muab nws lub hwj huam los tiv thaiv cov transmitter PA Fais fab Amplifier.
- Thiaj li yuav xyuas kom cov stability ntawm xa thiab tau txais teeb liab ntawm cov duab transmission thiab cov smooth transmission ntawm daim duab, thov txhob thaiv cov antenna li ntau tau, thiab sim muab nws nyob rau hauv ib qho chaw siab, xws li ntawm lub-ru tsev los yog rau ib tripod.
- Thov khaws cov antenna vertical.
- Thov kom paub tseeb tias muaj ib qhov siab qhov txawv ntawm tus transmitting antenna thiab tau txais antenna.
Tiag kuaj hauv lub nroog NLOS (tsis-kab pom) txhawb 1.5km, Transmitter nyob rau hauv lub tsev, transmitter mus rau UGV (unmanned hauv pem teb)
COFDM Wireless yees duab transmitter receiver transmission Nrog tshem tawm configuration parameter teev board
Tiag kuaj hauv lub nroog NLOS, Transmitter ntawm lub tsev, thiab receiver nrog koob yees duab hauv lub tsheb mus, ib puag ncig.
1.5km rau hauv pem teb NLOS, 10-20-30km POOB cua rau hauv pem teb wireless yees duab transmitter receiver transmission
Pheej yig Wireless yees duab transmitter thiab receiver tus me me screen muaj zoo kawg thiab pab rau lub teeb liab zog xauv
Test PAL and NTSC CVBS composite camera for FPV wireless video transmitter and receiver VTX
Cov neeg siv manual
720kis tau tus kab mob no qhov tseem ceeb
Yees duab txuas | nqaij npuas video transmitter | yees duab transmitter receiver wireless nyom |
cofdm wireless video transmitter | HDMI cofdm modulator | Ntev-ntau yam yees duab transmitter-receiver |
Tshooj wireless yees duab transmitter receiver | cofdm wireless video transmitter | HD-SDI yees duab transmitter |
optic audio yees duab transmitter receiver | manpack cofdm wireless mobile yees duab transmitter-receiver | Yees duab yees duab transmitter dua coaxial |
wireless yees duab transmitter nrog BNC connector | wireless yees duab transmitter | Tshooj wireless yees duab transmitter receiver |
yees duab transmitter | gsm video transmitter | Ntev mus ntev wireless audio yees duab transmitter |
wireless yees duab transmitter | NLOS yees duab transmitter | Yees duab transmitter thiab receiver circuit diagram |
HD-SDI yees duab transmitter | 3video transmitter | Nraum zoov wireless yees duab transmitter thiab receiver |
Long-distance wireless yees duab transmitter receiver rau CCTV koob yees duab | lub yees duab yees duab transmitter | 5.8ghz yees duab transmitter |
Yees duab transmitter thiab receiver circuit diagram | tus poj niam yees duab transmitter | wireless audio yees duab transmitter-receiver lawv |
Ntev mus ntev wireless yees duab transmitter 1000km 800mhmz | yees duab transmitter nti | 3-video transmitter thiab receiver |
Cov wireless ntev yees duab transmitter | yees duab analog transmitter | 2 4video transmitter thiab receiver |
camcorder wireless yees duab transmitter | yees duab transmitter module | wireless audio yees duab transmitter rau iPad |
hwj huam video transmitter | Yees duab HD yees duab transmitter | UHF VHF HDMI wireless yees duab transmitter |
4video transmitter | GoPro yees duab transmitter | micro USB wireless yees duab transmitter receiver |
wireless yees duab transmitter receiver | FPV yees duab transmitter | wireless yees duab transmitter nrog BNC connector |
yees duab analog transmitter | yees duab transmitter wireless | 5.8 GHz yees duab transmitter |
yees duab video transmitter fp | airborne yees duab transmitter | optic audio yees duab transmitter receiver |
Nraum zoov wireless yees duab transmitter thiab receiver | microwave yees duab transmitter | 2.4 GHz yees duab transmitter |
wireless yees duab transmitter receiver module | Yees duab transmitter-receiver | infrared wireless yees duab transmitter thiab receiver |
Roj teeb-powered yees duab transmitter | 4video transmitter | RCA wireless audio video transmitter thiab receiver |
yees duab yees duab wireless transmitter | FPV cofdm transmitter | 70 km ntev-ntau yam wireless yees duab transmitter |
Yees duab HD yees duab transmitter | yees duab transmitter mobile | wireless yees duab transmitter rau iPhone iPad iPod |
GoPro yees duab transmitter | yees duab laser transmitter | Ntev-ntau yam audio yees duab transmitter thiab receiver |
HDMI yees duab transmitter | tshaj tawm hauv xov video transmitter | yees duab transmitter thiab receiver dua miv5 |
SDI SSDI wireless yees duab transmitter | yees duab transmitter professional | cb8822 cb3812 wireless yees duab transmitter |
fiber optic yees duab transmitter-receiver | 16-channel yees duab transmitter | Long-distance wireless yees duab transmitter receiver rau |
yees duab wireless transmitter | lub yees duab yees duab transmitter ethernet | manpack cofdm wireless mobile yees duab transmitter |
wireless yees duab transmitter thiab receiver | Yees duab transmitter koob yees duab | 5.8ghz FPV yees duab transmitter |
hom cwj pwm zoo | lub yees duab yees duab transmitter wireless | HD-SDI wireless yees duab transmitter thiab receiver |
transmitter-receiver | 10km yees duab transmitter | 5.8 GHz yees duab transmitter thiab receiver |
FPV transmitter | wireless analog yees duab transmitter | 1.2ghz 400mw yees duab transmitter |
tv tshaj tawm hauv xov transmitter | wireless VGA yees duab transmitter | 5.8ghz wireless yees duab transmitter receiver |
COFDM | 700mhz yees duab transmitter | wireless 1.2ghz FPV yees duab transmitter |
SDI cofdm yees duab transmitter | 433 mhz yees duab transmitter | 2.4ghz yees duab transmitter thiab receiver |
10kireless cofdm yees duab transmitter | camcorder wireless yees duab transmitter | 433mhz wireless audio yees duab transmitter thiab receiver |
OEM cofdm | USB wireless yees duab transmitter | yees duab poj niam transmitter |
nqaij npuas | wireless yees duab transmitter module | Ntev-ntau yam wireless yees duab transmitter 200km 800mhz |
cofdm modulator | Yees duab transmitter 15w | wireless audio yees duab transmitter receiver 5.8ghz |
mini codm transmitter | lub yees duab yees duab transmitter receiver | Ntev mus ntev wireless yees duab transmitter 1000km 800mhmz |
wireless cofd yees duab transmitter module | ntev-ntau yam yees duab transmitter | 5.8ghz wireless yees duab transmitter thiab receiver Circuit Court |
nqaij npuas | 25mw yees duab transmitter | wireless yees duab converter transmitter |
cofdm modulator | Fais fab yees duab transmitter CCTV | wireless yees duab yees duab transmitter |
h 265 nqaij nyuj hoom | Roj teeb-powered yees duab transmitter | yees duab wireless transmitter |
ntev ntev npaum li cas | tv audio yees duab transmitter | Cov yees duab optical transmitter-receiver |
Yees duab transmitter cofdm DVB t | FPV cofdm transmitter | wireless audio yees duab repeater transmitter |
Ntev-ntau yam HD cov cofdm transmitter | 20km yees duab transmitter | yees duab yees duab wireless transmitter |
cofdm yees duab wireless transmission | suab thiab yees duab transmitter | Yees duab wireless transmitter thiab receiver lub nruab |
Shenzhen cofdm transmitter | wireless yees duab transmitter receiver | 8Chini yees duab optic transmitter |
hdmi rau cofdm modulator | hwj huam video transmitter | wireless audio yees duab sender transmitter-receiver |
lauj kaub модулятор | wireless HD yees duab transmitter | 5ghz transmitter receiver yees duab |
lauj kaub tshis | mini codm transmitter | lub wireless transmitter receiver yees duab |
wifi HD transmitter | Yees duab ntau dua video transmitter | ntev-ntau yam wireless yees duab thiab audio transmitter |
wireless hdmi transmitter ntev | yees duab video transmitter fp | Tshaj tawm hauv xov yees duab 10km VHF UHF transmitter |
UHF module 5w | HD wireless yees duab transmitter | 2.4 GHz wireless yees duab thiab audio transmitter |
433mhz rf module amplifier | analog transmitter | tshav dav hlau wireless transmitter thiab receiver audio yees duab |
nqe transmitter nqe | mini yees duab transmitter koob yees duab | 2km FPV yees duab 5.8ghz wireless av transmitter-receiver |
2.4ghz wireless CCTV transmitter | PTZ wireless yees duab transmitter | wireless transmitter |
wireless tej ntaub ntawv txuas | wireless RGB yees duab transmitter | kev sib cuag mus los thiab receiver |
yees duab transmitter | 2-yees duab video transmitter | wireless transmitter thiab receiver |
50km wireless HD yees duab transmitter | cov yees duab divital transmitter | wireless transmitter-receiver |
HD-SDI wireless yees duab transmitter modules | wireless audio yees duab transmitter | ua kom yus mus ua tau |
wireless yees duab transmitter thiab tau txais 720p | 900 mhz yees duab transmitter | shortwave transmitter |
cofdm modulator | nyob deb li cas video transmitter | Coaxial yees duab transmitter thiab receiver |
nqaij npuas transmitter | tsis muaj wireless yees duab transmitter | tub ceev xwm transmitter |
hloov transceiver | wireless audio yees duab transmitter receiver | rho tawm hauj lwm transmitter |
nqaij nyuj hoom | Cov wireless ntev yees duab transmitter | DVB transmitter |
nqaij npuas | portable wireless yees duab transmitter wireless | ib transmitter |
nqaij npuas | Yees duab transmitter rau IP koob yees duab | 25km av yees duab transmitter |
nqe transmitter nqe | wireless yees duab transmitter thiab receiver | wireless yees duab transmitter receiver module |
UAV cofdm transmitter | ||
Kev
Muaj cov tsis muaj kev kaj.