COFDM video transmitter-receiver FAQ
COFDM video transmitter receiver AV in HDMI out FPV, Wireless 10km-15km-30km long-range cheaper and longer
Teburin Abubuwan Ciki
One-Way Video Data Downlink Recommended Model
Sayar da Points / Features / riba
AES 128 Rufin bidiyo
Ƙarfin aikin ɓoye bidiyo don tabbatar da tsaro na bidiyo.
Tsawon Nisa
2 Watts Power Amplifier, goyan bayan nisan watsa 30KM
Za'a iya gyara mitar mita
Ana iya canza mitar watsawa ta allon daidaitawa.
Ƙarfin Sigina
Allon mai karɓa na iya nuna ƙarfin siginar mai watsawa, masu amfani za su iya matsar da mafi kyawun wurin liyafar.
Video + data
Sai dai bidiyo, yana kuma tallafawa bayanan zazzagewa ta hanyar UART daga mai watsawa zuwa mai karɓa. Hanya daya, Simplex.
Lower rashin laka
Ƙananan jinkirin jinkiri bai wuce 200 ~ 300 millisecond.
LOS da NLOS
Taimakawa LOS (Layin da-na-Wurin) 30km da NLOS (Ba-Layi-Na-Gani ba) 1.5km Test Video
Cikakken saiti a cikin kunshin
Kunshin ya hada da watsawa, mai karɓar, eriyar gefen biyu da kebul na kayan haɗi.
Selling Points
Support da boye-boye
Powerful PA RF output (1 Watts ko 2 Watts)
720P composite CVBS AV in on the transmitter, OF + HDMI output on the receiver
Support NLOS THE long-range transmission
ZABI parameter configures board for current parameter showing and adjustable
Recommended to use the fiberglass antenna to support strong signal and long-range
H.264/MPEG-2 encoder
Delay latency <300 daƙiƙa;
What is the COFDM Video Transmitter?
- COFDM-912T tana ɗaukar COFDM mai ci gaba (fasahar sauye-sauye da yawa), wanda yana haɗa eriyar watsawa, sauyin yanayi na dijital, da audio da video matsawa dijital.
- COFDM wireless video transmitter has a small size and a long transmission distance. Modular combined design can be used with secret shooting clothes and small cameras and can realize hidden on-site high-definition image collection and transmission.
- COFDM wireless video transmitter is a highly integrated mobile non-line-of-sight digital mobile video wireless image transmission equipment that can transmit real-time and stable audio and video in high-speed movement and under the condition of urban buildings.
- The COFDM Wireless Video transmitter-receiver transmission system can reach a transmission distance of more than 500 mita da layin gani fiye da 10 kilomita karkashin yanayin toshewa na gaba ɗaya.
- COFDM Wireless video transmitters using high-gain directional antennas or omnidirectional antennas can further increase the transmission distance.
- Idan kuna buƙatar nisan watsawa ya fi tsayi, za ku iya amfani da cibiyar sadarwar da ke akwai, sadarwar wayar hannu (tauraron dan adam), kuma yi amfani da kayan aikin watsawa na kamfaninmu na tafi-da-gidanka ko tsarin watsa shirye-shiryen bidiyo mara igiyar waya don watsawa. The transmission distance of the system can reach more than 20 kilomita.
- akwai 3 iko daban -daban don nau'in kayan harbi na sirri (0.5W, 1W and 2W@matsakaicin ikon PA). Babban iko, ya fi ƙarfin shigarwar siginar kuma tsawon nisan watsawa.
- transmission nesa: visual environment ≥ 10km. Yanayin toshewa: ≥500m (daban dangane da muhallin)
(if you need long-range, we also have 5W, 10W, 20W PA products, gani nan)
Feature
- sosai hadedde, ire zane
- Ɗauki fasahar daidaitawa ta COFDM, MPEG-2 image matsawa fasahar
- All-zagaye sadarwa, Kada ku ji tsoro na gina ganuwar
- High-gudun Inter-line sadarwa, real-lokaci, barga DVD image quality for audio / video watsa
- Heat kwatami aluminum gidaje, shockproof da kuma buga-resistant
- High-fidelity digital stereo transmission
- Non-line-na-gani (NLOS) mobile watsa na tsawon nesa
Aikace-aikace
Wannan samfurin ne yafi amfani ga fasaha bincike da kuma forensics a cikin soja da tsaro dubawa sassan. Rediyo da telebijin watsa shirye-shirye, rediyo da talabijin live watsa shirye-shirye: watsa shirye-shirye filin, wasanni watsa shirye-shirye, zaman jama'a labarai, m live, studio, kasada dutsen, da sauransu. Shi ya dace don real-lokaci mobile watsa daga high quality-hotuna a da yawa hadaddun mahalli kamar birane, marine, and mountainous.
Don jirage marasa matuka ( bayar da shawarar ƙara ƙarin tacewa, bukatar karin kudin )
domin Gidan Telebijin na CCTV
Musammantawa
Operating awon karfin wuta: DC11V ~ DC13V (20W PA needs 24~28V)
mai karɓar:
FAQs
- a, Ana iya canza kewayon mitar daga 170Mhz (mafi da 220Mhz) zuwa 860Mhz. Don haka yana iya aiki da kyau a 260Mhz band.
- Ya kamata a canza mitar zuwa iri ɗaya akan mai aikawa da karɓa. Na sanadi, Amplifier Power da mitar eriya yakamata su canza mitar iri ɗaya. (Kuna buƙatar siyan amplifier da eriya don watsawa da mai karɓa don saduwa da canjin mitar ku).
- Domin inganta hankali na watsawa da karɓa, Yawan bandwidth yawanci ana sanya shi kunkuntar sosai (mita na tsakiya ±15MHz, don haka bandwidth ya kamata ya zama 30Mhz). Ƙarfin wutar lantarki na mai watsawa da mitar eriya an keɓance su musamman bisa ga mitar da kuke buƙata.
- Zai fi kyau idan kun ba da oda, don Allah gaya mani irin mitar aiki da kuke buƙata. Injiniyoyin mu za su canza mitar mai watsawa da mai karɓa, sannan kuma gyara PA da eriya ta al'ada bisa ga wannan kewayon mitar don tabbatar da mafi kyawun hankali da goyan bayan mafi tsayin watsa nisa.
- Mitar tsoho shine 590Mhz, Da 30Mhz (+/-15MHz), zaka iya canza shi ba tare da gyaggyara Power Amplifier da eriya ba. Misali, 578MHz, 584MHz, 590MHz, 596MHz, da 602Mhz.
- Idan kana buƙatar canza mitar watsawa da bandwidth, kana buƙatar kayan aiki na musamman na allon saita sigogi, don Allah a duba hoton da ke ƙasa, ba kayan haɗi ba ne, da fatan za a saya a ƙarin farashi ko tuntube mu kafin yin oda.
a, yana goyan bayan aika bidiyo da bayanan UART daga mai watsawa da mai karɓa.
Kamar yadda yada ta hanya daya ce, don haka ba zai iya aika umarnin sarrafawa daga mai karɓa zuwa mai aikawa ba.
Idan kana buƙatar aika umarnin sarrafawa ko wasu bayanai daga mai karɓa don sarrafa wasu na'urori kamar kyamarori ko drones a mai watsawa., za ku iya ƙara saitin kayan watsa dijital mai arha, tuntube mu, kuma za mu iya keɓance muku shi.
Da fatan za a duba ma'anar UART akan mai watsawa da mai karɓa a mahaɗin da ke ƙasa. Da fatan za a gaya mani idan kuna son samun kebul na gubar. (tsoho a'a)
Tsohuwar wutar lantarki mai watsawa ita ce 2 Watts, don haka yana iya tallafawa 30 KM a layin-na gani.
Hoton da ke ƙasa shine nisan da aka gwada daga dutsen zuwa bakin teku.
Idan kuna son watsa dogon zango, za ka iya ƙara ƙarfin amplifier. Baya ga watt daya da watts biyu, za mu iya kuma yi 5 watts, 10 watts, kuma 20 watts don zabinku. Manyan amplifiers kuma suna buƙatar manyan batura da goyan baya na yanzu.
Farashin 20W PA, wutar lantarki ya kamata ya zama 24 ~ 28V. Kawai a 28 volts na iya samun ƙarfin ƙarfin aiki mafi kyau.
Injiniyan mu na iya canza mitar zuwa 300Mhz daga tsoho 590Mhz, Antenna, da PA a cikin sito ne 590Mhz, 300Mhz yana buƙatar makonni biyu don daidaitawa, don haka lokacin isarwa yana buƙatar tsayi fiye da 590Mhz na mu.
Mataki 1: Da fatan a danna Ok da maɓallin dama a lokaci guda, menu na ko ajiyewa yana bayyana akan allon.
Mataki 2: Latsa Ok don zaɓar Ee don adanawa.
Tunatarwa, da fatan za a yi amfani da eriya mafi girma ko tsayi idan aikinku ya ba da izini, zai iya samun kyakkyawan aikin liyafar a cikin mafi girma kewayo.
Cikakken saitin tsoho
- SD Transmitter ( Farashin 0.5W, 1W, 2W, 5W, 10W, 20W, 50W na zaɓi bisa ga buƙatar ku)
- SD Transmitter eriya
- HDMI CVBS mai karɓar fitarwa tare da menu na sarrafawa da ƙaramin allo
- 0.8-eriya mai karɓar mita 1 inji mai kwakwalwa. (Akwai nau'i biyu na shigarwa ko gyara eriya: 1. Magnetic sucker tushe eriya, 2. Default U-type clamp FRP fiberglass eriya )
- ZABI, allon daidaita siga don watsa bidiyo mara waya.
(Idan kana buƙatar eriya tushe mai tsotsa mai maganadisu, mai bayyana ko mai ɗaukar hoto yana tsammanin samfuran maganadisu zasu tsoma baki tare da amincin jirginsu, don haka farashin jigilar kaya ya fi eriya manne nau'in U. )
Tsohuwar cikakken tsarin girman fakitin
- 84*21*12CM
- Babban Nauyi 4.5KG
- Idan ka zaɓi eriya sama da 100cm da eriyar tushen sucker na maganadisu, Wasu masu jigilar kaya za su cajin ƙarin kudade, kamar ƙarin dogayen kudade da ƙarin kuɗi don abubuwa masu ƙarfi masu ƙarfi.
- Saitunan sigar watsawa ya bambanta da wanda ke kan mai karɓa. Firmware akan allon daidaita ma'aunin ya bambanta da mai watsawa da mai karɓa, ba za a iya amfani da su tare.
- Allon daidaita siginar watsawa na iya daidaita siginar attenuation akan mai watsawa. Kowane 0.3db zai rage 0.5W PA.
tambaya: Shin yana yiwuwa a canza ikon fitarwa (ciki PA 0,5 w, 1 w, 2 w) ta hanyar hukumar daidaitawa?
- Kamar yadda aka amsa a sama, za ku iya daidaita ƙarfin fitarwa ta hanyar saita sigogi na ATTEN ta hanyar kayan aikin allo na sigina akan mai watsawa. (Wannan kayan aikin bai haɗa da fakitin tsoho ba, kana bukatar ka sanar da cewa kana son samun wannan kayan aiki lokacin da ka yi oda)
- Idan kun sayi 2W PA, sannan zaka iya saita shi 0.5W, 1W, amma ba zai iya canza shi zuwa 5W ba.
- Hakanan zamu iya sanya shi zuwa 5W, 10W, 20W, da 50W idan kuna buƙatar tallafawa dogon zango.
No.
Wannan mai watsa bidiyo mara waya yana goyan bayan kamarar CVBS ko shigarwar bidiyo kawai, wani nau'in kyamarar bidiyo yana buƙatar ƙarin akwatin mai canzawa.
No. Yana da COFDM (DVB-T) fasahar.
Don haka kewayon mitar COFDM shine 170-860Mhz. Yana iya tallafawa 477, 610, 675, 724, 816MHz, amma ba zai iya tallafawa 970, 1180, 1230 MHz.
Mai watsa samfurin mu na musamman zai iya tallafawa duk jeri na sama, amma mai karɓa yana buƙatar amfani da toshewar ƙasa.
Domin ba da damar tsarin watsawar mu mara waya ya goyi bayan faffadan kewayo da mafi kyawun sigina, gabaɗaya muna saita mitar aiki zuwa wani wuri (170~860Mhz), kuma kewayon sa mai goyan baya ƙari ne kawai ko ragi 15Mhz. Misali, mitar cibiyar shine 590Mhz, matsakaicin mitar tallafi ya kamata ya zama 575Mhz ~ 605Mhz, PA da eriya an keɓance su musamman bisa ga wannan mitar ta tsakiya.
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gargadi
- Kamar yadda wannan mai watsawa ya gina 1W ko 2W PA a ciki, da fatan za a haɗa eriyar watsawa da farko sannan a ba shi ikon kare mai watsawa PA Power Amplifier.
- Domin tabbatar da kwanciyar hankali na aikawa da karɓar sigina na watsa hoto da kuma sauƙin watsa hoto, don Allah kar a toshe eriya gwargwadon yiwuwa, kuma kuyi kokarin sanya shi a wuri mai tsayi, kamar a kan rufin ko a kan tafiya.
- Da fatan za a kiyaye eriya a tsaye.
- Da fatan za a tabbatar cewa akwai takamaiman bambanci mai tsayi tsakanin eriyar watsawa da eriyar karɓa.
Gwajin Gaskiya a cikin City NLOS (ba-line na gani) yana goyon bayan 1.5km, Mai watsawa a cikin ginin, watsawa a cikin motsi don UGV (motar kasa marar matuki)
COFDM Watsawar mai karɓar bidiyo mara waya tare da m sanyi siga saita allo
Gwajin Gaskiya a cikin Birni NLOS, Mai watsawa a ginin, da mai karɓa tare da kyamara a cikin motar motsi, hadaddun yanayi.
1.5km don ƙasa NLOS, 10-20-30km LOS iska zuwa ƙasa watsa mai karɓar watsa bidiyo mara waya
Mai watsa bidiyo mara waya mai arha da ƙaramin allo mai karɓa yana da babban taimako akan kulle ƙarfin sigina
Test PAL and NTSC CVBS composite camera for FPV wireless video transmitter and receiver VTX
Jagoran masu amfani
720p yada alaka kalmomi masu mahimmanci
Video mahada | cofdm video watsawa | mai karɓar kyautar mara waya ta bidiyo |
cofdm mara waya video watsawa | HDMI zuwa cofdm modulator | mai ɗaukar bidiyo mai tsayi mai tsayi |
dogon zango mara waya video watsawa mai karɓar | cofdm mara waya video watsawa | HD-SDI video watsawa |
fiber na gani audio bidiyo watsawa mai karɓar | manpack cofdm mai karɓar bidiyo ta wayar hannu mara waya | Mai watsa bidiyon wutar lantarki akan coaxial don |
mara waya ta video watsawa da BNC connector | mara waya ta video watsawa | dogon zango mara waya video watsawa mai karɓar |
video watsawa | gsm bidiyo mai watsawa | jigilar sauti mara waya ta waya mai nisa |
mara waya ta video watsawa | NLOS Video watsawa | video watsawa da karɓa kewaye zane |
HD-SDI video watsawa | 3g video watsawa | waje mara waya video watsawa da karɓa |
Mai karɓar watsa bidiyo mara igiyar nesa mai nisa don kyamarar CCTV | jigilar bidiyo mai jiwuwa | 5.8jigilar bidiyo ta ghz |
video watsawa da karɓa kewaye zane | wifi jigilar bidiyo | mara igiyar waya tsarin watsa bidiyo na bidiyo |
dogon zango mara waya video watsawa 100km 800mhz | guntu mai watsa bidiyo | 3-watt na watsa bidiyo da mai karba |
dogon zango mara waya video watsawa | analog video watsawa | 2 4g da watsa bidiyo da mai karba |
camcorder mara waya video watsawa | tsarin watsa shirye-shiryen bidiyo | mara waya ta bidiyo mara waya ta mara waya don iPad |
ikon line video watsawa | HD video watsawa | Mai watsa shirye-shiryen bidiyo mara waya ta UHF VHF HDMI |
4g video watsawa | GoPro video watsawa | micro USB mara waya ta mai watsa bidiyo |
mara waya ta video watsawa mai karɓar | Mai watsa bidiyo na FPV | mara waya ta video watsawa da BNC connector |
analog video watsawa | mara waya ta bidiyo | 5.8 Mai watsa bidiyo na GHz |
dijital video watsawa fpv | isar da iska ta bidiyo | fiber na gani audio bidiyo watsawa mai karɓar |
waje mara waya video watsawa da karɓa | microwave mai watsa bidiyo | 2.4 Mai watsa bidiyo na GHz |
mara waya ta video watsawa mai karɓar module | mai watsa bidiyo-mai karɓa | Mai watsa bidiyon mara waya mara waya da mai karɓa |
watsa bidiyo mai ƙarfin baturi | 4g video watsawa | Mai watsa Rediyon mara waya ta RCA mara waya da mai karɓa |
kamarar bidiyo mara waya ta watsawa | FPV cofdm watsawa | 70 km mai watsa bidiyo mara waya ta dogon zango |
HD video watsawa | wayar hannu mai watsa bidiyo | Wireless video watsawa ga iPhone iPad iPod |
GoPro video watsawa | watsa bidiyo ta laser | mai watsa bidiyo mai sauti mai tsayi da mai karɓa |
HDMI video watsawa | watsa shirye-shiryen bidiyo | mai watsa bidiyo da mai karba akan cat5 |
Mai watsa siginar bidiyo mara waya ta SDI SSDI | ƙwararren mai watsa bidiyo | cb8822 cb3812 jigilar bidiyo mara waya |
fiber optic video transmitter-receiver | 16-tashar watsa shirye-shiryen bidiyo | mai karɓar watsa bidiyo mara igiyar nesa mai nisa don |
video mara waya ta watsawa | ethernet bidiyo mai watsa bidiyo | manpack cofdm mara waya ta bidiyo mai watsa shirye-shiryenta re |
mara waya ta video watsawa da karɓa | gilashin kyamara mai watsa bidiyo | 5.8ghz FPV mai watsa bidiyo |
watsawa module | mara waya ta watsa bidiyo ta mara waya | HD-SDI mai watsa bidiyo mara waya da mai karɓa |
watsawa-mai karɓa | 10km mai watsa bidiyo | 5.8 Mai watsa bidiyo da mai karɓar GHz |
Mai watsa FPV | mara waya ta analog na watsa bidiyo | 1.2jigilar bidiyo na 400mw 400mw |
tv watsa shirye-shirye watsawa | mara waya ta VGA mai watsa bidiyo | 5.8mai karɓar aikaɗar bidiyo mara waya mara waya |
COFDM hikima | 700mhz mai watsa bidiyo | mara waya ta 1.2ghz FPV mai watsa bidiyo |
SDI cofdm mai watsa bidiyo | 433 mhz mai watsa bidiyo | 2.4jigilar bidiyo da mai karɓar bidiyo na diz |
10km mara waya cofdm video watsawa | camcorder mara waya video watsawa | 433mhz mara waya ta bidiyo mai watsawa da mai karɓa |
OEM cofm | USB mai watsa bidiyo mara waya | jigilar wifi bidiyo |
m cofdm | mara waya ta bidiyo mara waya | Mai watsa bidiyo mara igiyar waya mai dogon zango 200km 800mhz |
biyu COFDM modulator | mai watsa bidiyo 15w | Mai karɓar mai watsa bidiyon mara waya ta 5.8ghz |
mini cofdm watsawa | mai karɓar bidiyon mai jiwuwa | dogon zango mara waya video watsawa 100km 800mhz |
mara waya cofdm video watsawa module | mai watsa bidiyo mai tsayi | 5.8jigilar bidiyo mara waya mara waya da mai kewaye mai karba |
encoder cofdm module | 25mw mai watsa bidiyo | mara waya ta sauya bidiyo |
cofdm modulator | CCTV mai watsa bidiyo mai ƙarfi | mara waya ta kyamarar bidiyo ta mara waya |
h 265 modulator cofdm | watsa bidiyo mai ƙarfin baturi | s watsa mara waya ta bidiyo |
dogon zangon hd dijital cofdm | tashar watsa shirye-shiryen bidiyo ta odiyo | dijital video Tantancewar watsa-mai karɓa |
mai watsa bidiyo cofdm DVB t | FPV cofdm watsawa | mara waya ta rediyo mai juyar da sauti |
dogon zangon HD dijital cofdm transmitter | 20km mai watsa bidiyo | kamarar bidiyo mara waya ta watsawa |
cofdm video mara waya ta watsa | mai ji da sauti da bidiyo | tsarin watsa shirye-shirye mara waya ta bidiyo da tsarin karba mai karba |
Shenzhen cofdm transmitter | mara waya ta video watsawa mai karɓar | 8ch mini bidiyo mai watsa shirye-shiryen optic |
HDMI zuwa cofdm modulator | ikon line video watsawa | mara waya audio video mai aikawa da mai karɓa |
cofdm modulator | mara waya HD watsa bidiyo | 5bidiyo mai karɓar kyautar ghz |
cofdm mara waya | mini cofdm watsawa | bidiyo mai karɓar mara waya ta mai amfani da sauti |
wifi HD watsawa | babban watsa bidiyo mai karfin gaske | Bidiyo mara igiyar waya mai dogon zango da watsa sauti |
mara waya ta HDMI watsawa dogon zangon | dijital video watsawa fpv | watsa bidiyo 10km VHF UHF mai watsawa |
UHF module 5w | HD mai watsa bidiyo mara waya | 2.4 GHz rediyo mara waya da watsa sauti |
433MHz RF module amfilifa | analog watsawa | hdmi mara waya mara amfani da bidiyon mai karba na mai karba |
cofdm watsawa farashin | mini kamarar watsa bidiyo | 2km FPV bidiyo 5.8ghz mara igiyar waya av mai karɓar mai karɓa |
2.4ghz mara waya ta CCTV watsawa | PTZ mai watsa bidiyo mara waya | mara waya ta watsawa |
mara waya data mahada | mara waya ta RGB bidiyo watsa | watsawa da karɓa |
Video watsawa | 2-watt na watsa bidiyo | mara waya ta watsawa da karɓa |
50km mara waya HD watsa bidiyo | uav dijital watsa shirye-shiryen bidiyo | mara waya ta watsawa-mai karɓa |
HD-SDI na'urorin watsa bidiyo mara waya | mara waya ta bidiyo mara amfani | uav watsawa |
mara waya ta video watsawa da karɓa 720p | 900 mhz mai watsa bidiyo | gajeren zango na tashar watsawa |
cofdm modulator | jigilar bidiyo mai nisa | coaxial watsa shirye-shiryen bidiyo da mai karɓa |
cofdm watsawa | ba bata lokaci ba mai watsa bidiyon mara waya | 'yan sanda watsawa |
cofdm transceiver | mai karɓar sauti na bidiyo mara igiyar waya | HF watsawa |
cofdm module | dogon zango mara waya video watsawa | DVB watsawa |
leken asiri cofdm | mara igiyar waya mara igiyar waya | watsawa |
cofdm modem | mai watsa bidiyo don kyamarar IP | 25km mai watsa bidiyo |
cofdm watsawa farashin | mara waya ta video watsawa da karɓa | mara waya ta video watsawa mai karɓar module |
UAV watsawa cofdm | ||
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