FAQ rau wireless yees duab transmission

1. 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.
2. 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).
3. 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.
4. 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.
5. 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.
6. 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.

Lub default daim ntawv qhia txog teev

1. SD Transmitter ( PA 0.5W, 1W, 2W, 5W, 10W, 20W, 50W xaiv raws li koj qhov kev txiav txim thov)
2. SD Transmitter antenna
3. HDMI CVBS tso zis receiver nrog parameter tswj zaub mov thiab me me screen
4. 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 )
5. 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

1. 84*21*12CM
2. Tag nrho luj 4.5KG
3. 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.

1. 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.
2. 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?

1. 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)
2. Yog hais tias koj yuav 2W PA, Ces koj yuav teem nws 0.5W, 1W, Tiam sis yuav tsis hloov nws mus rau 5W.
3. 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.

Yog

Lub hwj huam mov ntawm no transmitter thiab roj teeb ob leeg yog 3A@28V. lub sij hawm, Lub roj teeb peb siv los kuaj yog 7AH, Nws yuav ua hauj lwm rau 2.4 teev. Yog hais tias koj yuav15AH chargeable roj teeb, Nws yuav ua hauj lwm continuously li 4.8 teev.

Tsis zoo xwb hloov lub frequency ntawm lub web UI parameter yooj yim, tom qab hloov qhov zaus, Nws kuj yuav tsum tau hloov lub hwj huam Amplifier hauv thiab tib zaus transmitter thiab receiver antenna. Li ntawd, buyer yuav tsum paub tseeb tias zaus koj yuav tsum tau ua ntej tus me nyuam. Tus antenna yog customized raws li no zaus.

Hais txog cov RF cable, our engineer doesn't recommend that you used it so long. Yuav muaj ib tug txo 0.5dB rau ib meter RF cable. rau 3 meters RF cable, Lub teeb liab yuav raug txo los ntawm 1.5dB.
Yuav kom them taus mus sij hawm ntev, Nws zoo tias koj siv cov RF cable tsawg tshaj li 1 ' meter '?
Qhov tseeb, Tus transmitter no me me, Nws zoo kom ib me ntsis nyob deb li cas ntawm tus transmitter rau tus transmitter antenna. Lub hwj huam mov cable rau lub transmitter thiab ethernet cable ntawm lub koob yees duab rau lub transmitter yuav ntev li muaj tsis losses xws li RF cable.

Yog, Tus default yees duab input yog IP RJ45 ethernet chaw nres nkoj, yog koj li Koob yees duab yog HDMI los yog SDI los yog AHD, Cia li ntxiv ib lub thawv me encoder los daws qhov teeb meem no. Thov xyuas hauv qab no.

1. Yog koj cheeb tsam muaj tus kab mob DVB-T los yog DVB-T2 cov TV teeb liab, qhov TV frequency ntau yam yog 170-860Mhz, Nws muaj xws li 800Mhz, Li ntawd, xaiv 1.4G zoo dua.
2. Vim hais tias cov GPS antenna tau txais cov GPS teeb liab thiab cov GPS qhia rau cov drone yog tuaj, Peb transmitter antenna yog taw mus xa lub teeb liab rau hauv pem teb. Vim li ntawd, Cov nyhuv 1.4G frequency nyhuv rau GPS yog negligible.

Lub pob loj yog qhov luaj li cas 125 x 23 x 11cm. luj：3.72KG， Ntim luj：7.5KG

Ntawm no yog daim duab tag nrho cov duab.

Hais txog frequency hopping, Tus engineer muaj ib co tswv yim rau koj.

1. Raws li lub kaw lus frequency ntau yam yog 20Mb, Yog hais tias koj bandwidth yog xaiv 20Mb, Ces nws yuav tsis vam cia (tsuas muaj ib kis). Yog hais tias cov bandwidth yog xaiv 10Mb, Ces koj muaj ob ntsiab lus los hop, Yog hais tias cov bandwidth yog xaiv 5Mb, ces koj muaj 4 ntsiab lus rau hop.
2. Yog 1410Mhz muaj jammed, Ces 1420Mhz kuj muaj jammed, thaum lub zaus zaus kawg yog ib yam nkaus thiab.
3. Thaum hopping zaus, Cov ntaub ntawv los yog yees duab transmission yuav raug disconnected, thiab koj yees duab yuav khov.
4. lub sij hawm, Nws zoo xaiv hopping no tsis yog.
5. Yog hais tias koj kis tau tus kab mob no tsawg tshaj 15.22km, Ces peb muaj lwm txoj kev xaiv los ntawm, Qhov frequency muaj 110Mb, thiab txawm tias koj xaiv 20Mb bandwidth, nws muaj nws 5 Ntsiab lus xaiv los ntawm frequency hopping.

RSSI wireless txuas raws li txoj cai yuav tsum tau cov neeg muas zaub (xws li davhlau controllers) mus rau manually xa AT commands kom tau nws. Nws yuav tau txais nyob rau hauv ob txoj kev:

1. Configure UART3 (cov ntaub ntawv chaw nres nkoj 3rd) Ua ib AT command serial chaw nres nkoj, thiab ces xa AT commands los ntawm UART3 (D3) nrhiav kom tau. https://ivcan.com/change-d3-from-transparent-serial-port-to-at-command/
2. Hloov tshiab qhov ruaj version 1.5.1 los yog saum toj no, Li ntawd, yuav muaj ib tug ntxiv TCP server hauv rau cov neeg muas zaub mus saib los ntawm TCP xa AT commands kom tau cov wireless raws li txoj cai.
3. Tus LED teeb siv los qhia cov wireless sib txuas raws li txoj cai (piv txwv, Yog hais tias cov wireless txuas yog disconnected, lub teeb yuav tawm mus), Thiab yog tsis muaj nplooj siab lwm pin qhia rau cov neeg davhlau tswj.

Los yog pom qhov UART AT command daim ntawv teev No.

los yog saib https://ivcan.com/how-to-get-the-rssi-and-snr-on-the-drone-transmitter/

1. Qhov chaw nres nkoj serial ntawm peb wireless yees duab transmission yog pob tshab, Thiab tsis muaj ntaub ntawv yog khwb khuav xa mus rau lub davhlau controller. Qhov no yog tshuaj los ntawm qhov chaw nres tsheb hauv pem teb.
2. It won't send the failsafe command, Tab sis koj yuav pom qhov txuas raws li txoj cai teeb los ntawm lub teeb liab indicator.
3. Ntawm no yog qhov txuas raws li txoj cai teeb liab indicator txhais tau tias
   1. Tsis kaj lug: Indicates tias cov wireless txuas ntawm lub module no tsis txuas nrog
   2. Liab: Indicates tias cov wireless txuas ntawm lub module muaj tau txuas nrog, Tab sis cov wireless teeb liab lub zog yog tsis muaj zog heev
   3. txiv kab ntxwv: Indicates tias cov wireless txuas ntawm lub module muaj tau txuas nrog, thiab cov wireless teeb liab lub zog yog nruab nrab
   4. Ntsuab: Indicates tias cov wireless txuas ntawm lub module muaj tau txuas nrog, thiab cov wireless teeb liab muaj zog heev
4. Peb to taub tias koj cia siab tias koj cia siab tias yuav muaj qhov kev ua hauj lwm no, Yog aircraft loses teeb liab thaum davhlau nws yuav tsis rov qab mus tsev vim davhlau controller yuav tsis to taub tias rc txuas yog poob lawm.
5. Koj yuav tsum tau mus ntsib qhov txuas raws li txoj cai LED teeb, yog hais tias nws yog txiv kab ntxwv los yog liab, Koj yuav tsum tswj lub dav hlau rov qab ua ntej.
6. Koj kuj yuav tau txais cov RSSI ntawm lub qhov rais hauv qab no

Thov xyuas cov upgrade firmware setps, download qhov tseeb upgrade firmware ntawm qhov txuas hauv qab no.

https://ivcan.com/how-to-upgrade-the-latest-firmware-of-the-wireless-video-transmitter-and-receiver

Thaum peb siv, Tsis muaj leej twg node li tus transmitter, Lwm node li tus receiver. Yog hais tias koj yuav tsum tau txhawb ntau yam los yog nyob saum roob saum toj kawg nkaus, hauv qab no, muaj, Thov yuav 3rd nord li tus reapter.
Koj cia li yuav tsum muab lub 3rd node nyob nruab nrab thiab teem lub 3rd node yuav muaj ib tug 2D3U ces ok.

Yuav teem 3rd node yuav 2D3U?

Teem nrog AT command:
At+cfun=0
at^dstc=0
Ntawm+cfun=1
Restart qhov txuas ntaus tom qab lub lag luam

Nyob rau ntawm Web UI parameter mangagment nplooj ntawv thiab debug seem,

HAIS KOM UA

input AT^DGMR?

Yog koj raug tus mob no, koj yuav tau txais 6602, ces nws yog 15riam Version.

Yog koj raug tus mob no, koj yuav tau txais 6603, ces nws yog 30riam Version.

4K yees duab yog txaus siab.
4K yees duab kwj feem ntau muaj ntau tshaj 8Mbps, thiab 1080P yees duab feem ntau muaj ntau tshaj 2M, Li ntawd, tus nyob deb li cas ntawm peb wireless yees duab transmission thaum transmitting 4K yees duab yuav luv dua ntawd 1080P.

Nyob rau hauv ib lo lus, Lub ntsiab txhais ntawm cov yees duab, qhov luv luv.
Lub yees duab compression yog me me, thiab qhov transmission nyob deb li cas yog txaus siab farther.

Nyob rau hauv tus txheej txheem ntawm yees duab transmission, yog hais tias muaj ntaub ntawv tsis tau, Daim duab yuav tshwm sim mosaic los yog stagnation, khov thiab lwm phenomena.

Yuav muaj ib tug xov tooj ntawm retransmissions ntawm tus wireless txuas theem (Tau mas, cov ntaub ntawv yuam kev yuav tshwm sim yog hais tias qhov teeb meem no tsis zoo). Daim ntawv thov upper-layer daim ntawv thov kawg yuav tsis paub txog nws, Los yog nws nug tus xa mus retransmit.

Yog hais tias lub teeb liab ntawm lub wireless txuas tsis zoo ntawm ib kis tom qab tus nyob deb li cas yog ncua, thiab muaj ib txwm me ntsis yuam kev, Yeej yuav tsim nws yuav tsum retransmitted txhua lub sij hawm, Li ntawd, kom tus neeg siv kawg yuav txom nyem heev.

Tus wireless txuas txheej txheem muaj ib tug txwv retransmission mechanism. Peb tau kuaj cov tcp protocol rau transmission ntawm tus yees duab transmission txheej txheem (sim retransmit rau sab saum toj txheej txheem los ntawm cov tcp protocol), Tab sis qhov kev kuaj ntawd pom tias yog tsis muaj cuab kev txhim kho, Thiab nws yuav tau ua rau uncontrollable zoo.

1. Lub tshav kub generated los ntawm sab aircraft yog loj tshaj ntawd ntawm sab hauv pem teb. Yog kiv cua khiav, xyuas seb cov huab cua inlet thiab outlet ntawm tus kiv cua sab kiv cua (Txoj hauj lwm ntawm lub tshav kub sinks kawg) sim
2. Sim hloov lub hwj huam mov ntawm cov huab cua transmitter ntawm 24V rau 12.18V (Lub hwj huam transmit yuav raug txo li 35.36DB)
3. Ib nyuag txo lub hwj huam transmit ntawm lub aircraft los ntawm cov AT commands: AT^DSSMTP="23" Reboot tom qab teem

Lus nug: Cov no yog cov teev ntau zog ntawm lub module? (24 dbm)

Teb: 24dBm yog cov zis ntau tso zis ntawm qhov txuas Module, thiab qhov nce ntawm lub PA (li 14dBm) yuav tsum tau ntxiv. Lub hwj huam transmission fais fab tom qab lub hwj huam 24V mov PA tso zis yog li 38dBm.

txhuas: 10 hnub kom me me.

HS code: 8517629900

Qhov txawv ntawm cov huab cua chav tsev (transmitter) thiab hauv pem teb (receiver) ob ntxiv:

Ib tug ntaus ntawv yog tus ntaus ntawv: cua chav tsev (transmitter) yog qhov tseem ceeb tsis pub siv thiab hauv pem teb (receiver) yog qhov tseem ceeb hab txhawb node.

Ob tug yog tus nqi piv ntawm lub downlink thiab nce mus txuas. Tshaj 30km, Tus nqi zoo tshaj plaws piv yog 4:1 los sis 3:2.

If you don't want to connect the receiver ethernet cable directly to the computer. Ces nws yuav tsis yooj yim mus saib tau cov receiver ntawm koj lub network network.

Ntawm no yog ob cov tshuaj rau koj.

1. Ntxiv rau IP chaw nyob ntawm lub 192.168.1.x network ya rau sab PC (Tus PC yuav configured nrog ntau network segment IP chaw nyob)

2. Modify tus IP ntawm cov wireless yees duab receiver ntawm 192.168.1.12 Rau qhov chaw nyob ntawm lub 10.220.20.x network ya mus ntsib koj lub zos network.

Yog xav paub ntxiv thiab tov, thov nrog koj cheeb tsam network workmate los yog engineer, Peb receiver yog zoo li ib lub computer nrog IP chaw nyob, Nws yuav tsum khaws lub network segment IP chaw nyob tib yam, piv txwv, 192.168.1.xxx.

1. Yog, Muaj peb cov tshuaj ua uas.
2. TX900 muaj peb cov ntaub ntawv ports. Distinguish los ntawm ntau pob tshab serial ports, Xws li D2 tswj relay aircraft thiab D3 tswj lub hom phiaj aircraft. Cov disadvantage yog tias cov TX900 receiver yuav tsum tau txuas nrog ob serial ports xa cov lus qhia nyias.
3. Siv tib pob tshab serial chaw nres nkoj xa cov ntaub ntawv nyob rau hauv tej tawv nqaij, thiab ces ntxiv txheej txheem protocols (xws li cov lus qhia header) Rau cov ntaub ntawv los distinguish uas aircraft yuav tsum tau txais thiab cov ntaub ntawv. Cov disadvantage yog tias tus txheej txheem xa thiab tau txais cov ntaub ntawv yog nyuab.
4. Los yog siv ob receivers: Ib receiver yog rau lub hom phiaj dav hlau (transmitter), Thiab lwm receiver yog rau lub repeater drone. Qhov zoo sib xws thiab kev zov me nyuam yog yooj yim.