FAQ for wireless video transmission

1. Yebo, ububanzi befrikhwensi lungashintshwa ukusuka ku-170Mhz (kangcono kusuka ku-220 mhz) ku860 mhz. Ngakho-ke ingasebenza kahle kubhendi engu-260Mhz.
2. I-frequency kufanele ishintshwe ifane ku-transmitter nomamukeli. Imbangela, i-Power Amplifier kanye ne-antenna frequency kufanele iguqule i-frequency efanayo. (Udinga ukuthenga isikhulisi samandla kanye ne-antenna ukuze isidluliseli nomamukeli sihlangabezane nemvamisa yakho eshintshile).
3. Ukuze kuthuthukiswe ukuzwela kokudlulisa nokwamukela, umkhawulokudonsa wemvamisa ngokuvamile wenziwa ube mncane kakhulu (imvamisa yesikhungo ±15MHz, ngakho-ke umkhawulokudonsa kufanele ube ngu-30Mhz). I-amplifier yamandla ye-transmitter kanye nemvamisa ye-antenna yenziwe ngokwezifiso ngokuya ngemvamisa oyidingayo..
4. Kungcono kakhulu uma ufaka i-oda, ngicela ungitshele ukuthi hlobo luni lwefrikhwensi yokusebenza oyidingayo. Onjiniyela bethu bazoshintsha imvamisa yesithumeli nomamukeli, futhi futhi ulungise i-PA kanye ne-antenna yangokwezifiso ngokwalolu hlu lwamafrikhwensi ukuqinisekisa ukuzwela okungcono kakhulu kanye nokusekela ibanga elide kakhulu lokudlulisela.
5. Imvamisa ezenzakalelayo ingu-590Mhz, Nge-30Mhz (+/-15MHz), ungayishintsha ngaphandle kokushintsha Isihlelamandla kanye nothi. Ngokwesibonelo, 578MHz, 584MHz, 590MHz, 596MHz, kanye 602mhz.
6. Uma udinga ukuguqula imvamisa ye-transmitter kanye nomkhawulokudonsa, udinga ithuluzi elikhethekile lebhodi lokumisa ipharamitha, ngicela ubheke isithombe esingezansi, akusona isisekeli esizenzakalelayo, sicela uyithenge ngezindleko ezengeziwe noma uxhumane nathi ngaphambi koku-oda.

Yebo, isekela ukuthumela ividiyo nedatha ye-UART kusuka kumthumeli nomamukeli.
Njengoba kuwukudluliswa kwendlela eyodwa, ngakho-ke ayikwazi ukuthumela umyalo wokulawula ukusuka kumamukeli ukuya kumthumeli.

Uma udinga ukuthumela imiyalo yokulawula noma enye idatha evela kumamukeli ukuze ulawule amanye amadivaysi njengamakhamera noma ama-drones kusithumeli., ungangeza isethi yezinto ezishibhile zokudlulisa idijithali, Xhumana nathi, futhi singakwenzela yona ngendlela oyifisayo.

Sicela uhlole incazelo ye-UART kumthumeli nomamukeli kulesi sixhumanisi esingezansi. Ngicela ungitshele uma ufuna ukuba nekhebuli eholayo. (okuzenzakalelayo akukho)

Isikhulisi samandla esizenzakalelayo sidlulisa sithi 2 Ama-Watts, ngakho lingasekela 30 KM kulayini wokubona.

Isithombe esingezansi yibanga lethu elihloliwe ukusuka entabeni ukuya ogwini lolwandle.

Uma ufuna ukudlulisa ibanga elide, ungakwazi ukwandisa i-amplifier yamandla. Ngaphezu kwe-watt eyodwa nama-watts amabili, singakwazi futhi ukwenza 5 Watts, 10 Watts, futhi 20 watts ozikhethele. Ama-amplifiers amakhulu nawo adinga amabhethri amakhulu nosekelo lwamanje.

Ku-20W PA, Ukunikezwa kwamandla kufanele kube ngu-24 ~ 28V. Kuphela ngo 28 ama-volts angakwazi ukwenza isikhulisi samandla sifinyelele ukusebenza okuhle kakhulu.

Unjiniyela wethu angashintsha imvamisa ibe ngu-300Mhz ukusuka kokuzenzakalelayo okungu-590Mhz, I-antenna, kanye ne-PA endaweni yokugcina impahla ingu-590Mhz, 300I-Mhz idinga amasonto amabili ukwenza ngendlela oyifisayo, ngakho-ke isikhathi sokulethwa sidinga isikhathi eside kuno-590Mhz wethu ozenzakalelayo.

Isethi egcwele ezenzakalelayo

1. I-SD Transmitter ( PA 0.5W, 1W, 2W, 5W, 10W, 20W, 50W ozikhethela ngokwesidingo sakho se-oda)
2. I-antenna ye-SD Transmitter
3. Isitholi esiphumayo se-HDMI CVBS esinemenyu yokulawula ipharamitha nesikrini esincane
4. 0.8-imitha Receiver uthi 1 PC. (Kunezinhlobo ezimbili zokufaka noma ukulungisa uthi: 1. i-antenna eyisisekelo yamagnetic, 2. Okuzenzakalelayo Uhlobo lwe-U-clamp FRP fiberglass antenna )
5. Akuphoqelekile, ibhodi yokumisa ipharamitha yesidlulisi sevidiyo esingenantambo.

(Uma udinga i-antenna eyisisekelo samagnetic, i-express noma inkampani yenethiwekhi icabanga ukuthi imikhiqizo kazibuthe izophazamisa ukuphepha kwendiza yabo, ngakho-ke izindleko zokuthumela ziphakeme kune-antenna ye-clamp yohlobo lwe-U. )

Ubukhulu bephakeji yesethi egcwele ezenzakalelayo

1. 84*21*12CM
2. Isisindo Esiphelele 4.5KG
3. Uma ukhetha i-antenna engaphezu kuka-100cm kanye ne-sucker base base antenna, Abanye abathumeli bempahla bazokhokhisa imali eyengeziwe, njengezinkokhelo ezinde ezengeziwe kanye nezindleko ezengeziwe zezinto ezinamandla kazibuthe.

1. Ibhodi yokuhlela ipharamitha ye-transmitter ihlukile kuleyo ekumamukeli. I-firmware ebhodini lokumisa ipharamitha yayihlukile kunesidlulisi nomamukeli, azikwazi ukusetshenziswa ngokushintshana.
2. I-transmitter parameter configure board ingalungisa ukuncishiswa kwesignali kusidlulisi. I-0.3db ngayinye izokwehlisa i-0.5W PA.

umbuzo: Kungenzeka yini ukushintsha amandla okukhipha (PA yangaphakathi 0,5 w, 1 w, 2 w) ngebhodi lokumisa?

1. Njengoba kuphendulwe ngenhla, ungalungisa amandla okukhiphayo ngokusetha amapharamitha we-ATTEN ngokusebenzisa ithuluzi lebhodi lokucushwa kwepharamitha kumthumeli. (Leli thuluzi alifaki iphakheji ezenzakalelayo, udinga ukwazisa ukuthi ufuna ukuba naleli thuluzi uma u-oda)
2. Uma uthenga i-2W PA, bese ungayisetha i-0.5W, 1W, kodwa awukwazi ukuyishintsha ibe yi-5W.
3. Singakwazi futhi ukufika ku-5W, 10W, 20W, kanye no-50W uma udinga ukusekela ibanga elide.

Azikho.

Lesi sidlulisi sevidiyo esingenantambo sisekela kuphela ikhamera ye-CVBS noma okokufaka kwevidiyo, olunye uhlobo lwekhamera yevidiyo ludinga ibhokisi lokuguqula elengeziwe.

Azikho. Le nkampani COFDM (DVB-T) ubuchwepheshe.

Ngakho ububanzi befrikhwensi ye-COFDM ngu-170-860Mhz. Ingakwazi ukusekela 477, 610, 675, 724, 816MHz, kodwa ayikwazi ukusekela 970, 1180, 1230 MHz.

Isidlulisi sethu semodeli esikhethekile singasekela zonke izigaba ezingenhla, kodwa umamukeli udinga ukusebenzisa i-downconverter block.

Ukuze sivumele isistimu yethu yokudlulisa okungenantambo ukuthi isekele ububanzi obubanzi namandla esignali angcono, ngokuvamile sibeka imvamisa yokusebenza endaweni ethile (170~ 860Mhz), futhi ububanzi bayo obusekelwayo buhlanganisa kuphela noma susa u-15Mhz. Ngokwesibonelo, imvamisa emaphakathi ngu-590Mhz, ububanzi befrikhwensi yosekelo kufanele lube ngu-575Mhz~605Mhz, I-PA kanye ne-antenna zenziwe ngokwezifiso ngokukhethekile ngokwale mvamisa yesikhungo.

Yebo

Ukunikezwa kwamandla kwalesi sidlulisi nebhethri kokubili kukhona 3A@28V. Ngesikhathi esijwayelekile, ibhethri esilisebenzisele ukuhlolwa ngu-7AH, ingasebenza amahora angu-2 ~ 4. Uma uthenga ibhethri elikhokhiswayo elingu-15AH, ingasebenza ngokuqhubekayo cishe amahora angama-4 ~ 8.

Ungashintshi nje imvamisa kupharamitha ye-UI yewebhu kalula, ngemva kokushintsha imvamisa, futhi idinga ukushintsha Isihlelamandla sangaphakathi kanye nesidlulisi sefrikhwensi efanayo kanye nothi olwamukelayo. Ngakho umthengi kufanele aqinisekise ukuthi iyiphi imvamisa oyidingayo ngaphambi kokulethwa. I-antenna yenziwe ngokwezifiso ngokwale mvamisa.

Mayelana nekhebula le-RF, our engineer doesn't recommend that you used it so long. Kuzoba nokwehliswa okungu-0.5dB kukhebula ye-RF eyimitha elilodwa. Ngoba 3 amamitha RF ikhebula, amandla esignali azoncishiswa ngo-1.5dB.
Ukuze usekele ibanga elide, Kungcono ukuthi usebenzise ikhebula le-RF ngaphansi 1 imitha?
Empeleni, i-transmitter incane kakhulu, kungcono ukugcina ibanga elifushane ukusuka ku-transmitter kuya ku-antenna yokudlulisela. Intambo kagesi yesidluliseli kanye nekhebula le-ethernet elisuka kukhamera liya kumthumeli lingaba lide njengoba kungekho ukulahleka njengekhebula le-RF..

Yebo, okokufaka kwevidiyo okuzenzakalelayo kuyimbobo ye-ethernet ye-IP RJ45, uma eyakho ikhamera yi-HDMI noma i-SDI noma i-AHD, kanye nebhokisi elilodwa lokufaka ikhodi elilodwa ukuze uxazulule le nkinga. Sicela uhlole imodeli engezansi.

1. Uma indawo yangakini inesiginali yethelevishini yedijithali ye-DVB-T noma i-DVB-T2, le Ibanga lefrikhwensi ye-TV ngu-170-860Mhz, ihlanganisa i-800Mhz, ngakho khetha i-1.4G ingcono.
2. Ngoba i-antenna ye-GPS ithola isignali ye-GPS futhi isiqondiso se-GPS ku-drone siphezulu, i-antenna yethu yokudlulisela ibheke phansi ukuthumela isignali phansi. Ngenxa yalokho, umphumela wokuvama kwe-1.4G ku-GPS awunaki.

Usayizi wephakheji ngu 125 x 23 x 11cm. Isisindo esikhulu：3.72KG， Isisindo Somthamo：7.5KG

Nasi isithombe esiphelele.

Mayelana ne-frequency hopping, unjiniyela unokusikisela okuthile.

1. Njengoba imvamisa yesistimu ingu-20Mb, uma umkhawulokudonsa wakho ukhethiwe u-20Mb, khona-ke ayikwazi ukugxuma (iphuzu elilodwa kuphela). Uma i-bandwidth ikhethiwe i-10Mb, bese unamaphuzu amabili okumele ugxume, uma i-bandwidth ikhethiwe i-5Mb, bese unakho 4 ukhomba ukugxuma.
2. Uma i-1410Mhz iminyene, bese kuthi i-1420Mhz nayo iminyene, njengoba imvamisa isondele kakhulu.
3. Lapho ugxuma imvamisa, idatha noma ukudluliswa kwevidiyo kuzonqanyulwa, futhi ividiyo yakho izomiswa.
4. Ngesikhathi esijwayelekile, kungcono ukukhetha ukugxuma AKUKHO.
5. Uma ibanga lakho lokudlulisela lingaphansi kuka-15 ~ 22km, bese sinenye inketho esingakhetha kuyo, imvamisa ine-110Mb, futhi noma ukhetha i-bandwidth engu-20Mb, ine 5 amaphuzu ongakhetha kuwo e-frequency hopping.

Idatha yesimo sesixhumanisi esingenantambo se-RSSI sidinga amakhasimende (njengezilawuli zendiza) ukuthumela mathupha imiyalo ye-AT ukuze uyithole. Ingatholakala ngezindlela ezimbili:

1. Lungiselela i-UART3 (idatha port 3rd) njenge-AT command serial port, bese uthumela imiyalo ye-AT nge-UART3 (D3) ukuthola. https://ivcan.com/change-d3-from-transparent-serial-port-to-at-command/
2. Buyekeza inguqulo ye-firmware 1.5.1 noma ngaphezulu, ukuze kube neseva eyengeziwe ye-TCP ngaphakathi ukuze amakhasimende afinyelele nge-TCP ukuze athumele imiyalo ye-AT ukuze athole isimo esingenantambo..
3. Isibani se-LED sisetshenziselwa ukukhombisa isimo sokuxhuma okungenantambo (Ngokwesibonelo, uma isixhumanisi esingenantambo sinqanyuliwe, ukukhanya kuzocisha), futhi ayikho iphinikhodi yangaphandle ezinikele yokwazisa isilawuli sendiza yekhasimende.

Noma bona UART AT uhlu lomyalo lapha.

noma ubone https://ivcan.com/how-to-get-the-rssi-and-snr-on-the-drone-transmitter/

1. Imbobo ye-serial yokudluliswa kwevidiyo yethu engenantambo isobala, futhi ayikho idatha ethunyelwa ngokuqhubekayo kusilawuli sendiza. Lokhu kulawulwa yisiteshi esingaphansi.
2. It won't send the failsafe command, kodwa ungabona ukukhanya kwesimo sesixhumanisi kusibonisi sesignali.
3. Nansi inkomba yesignali yesimo sesixhumanisi okusho
   1. Hhayi Bright: Ibonisa ukuthi isixhumanisi esingenantambo semojuli asixhunyiwe
   2. Red: Ibonisa ukuthi isixhumanisi esingenantambo semojuli sixhunyiwe, kodwa amandla esignali engenantambo abuthakathaka kakhulu
   3. iwolintshi: Ibonisa ukuthi isixhumanisi esingenantambo semojuli sixhunyiwe, futhi amandla esignali engenantambo amaphakathi
   4. green: Ibonisa ukuthi isixhumanisi esingenantambo semojuli sixhunyiwe, futhi amandla esignali engenantambo anamandla kakhulu
4. Siyaqonda ukuthi uthemba ukuba nalo msebenzi, Uma indiza ilahlekelwa isignali ngesikhathi sokundiza ngeke ibuyele ekhaya ngoba isilawuli sendiza ngeke siqonde ukuthi isixhumanisi se-rc silahlekile.
5. Udinga ukubona ukukhanya kwe-LED kwesimo sesixhumanisi, uma ku-Orenji noma Kubomvu, kufanele ulawule indiza emuva kusengaphambili.
6. Futhi ungathola i-RSSI kumafasitela angezansi

Sicela uhlole ukuthuthukiswa kokusetha kwe-firmware, landa i-firmware yakamuva yokuthuthukisa kusixhumanisi esingezansi.

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

Ekusetshenzisweni okuvamile, i-node eyodwa njenge-transmitter, enye i-node njengomamukeli. Uma udinga ukusekela ibanga elide noma phezu kwesiqongo sentaba, njengesithombe esingezansi, yebo, sicela uthenge i-3rd nord njengomvuni.
Udinga nje ukubeka inodi yesi-3 phakathi bese usetha inodi yesi-3 ibe yi-2D3U bese kulungile..

Indlela yokusetha inodi yesi-3 ibe yi-2D3U?

Setha ngomyalo we-AT:
kokuthi+cfun=0
kwe^dstc=0
kokuthi+cfun=1
Qala kabusha idivayisi yesixhumanisi ngemva kokusebenza

Ekhasini lepharamitha ye-Web UI ye-mangagment kanye nesigaba sokususa iphutha,

AT umyalo

wokufaka AT^DGMR?

Uma uthola umphumela 6602, bese kuba 15km inguqulo.

Uma uthola umphumela 6603, bese kuba 30km inguqulo.

4K ividiyo isekelwe.
4Ukusakazwa kwevidiyo kwe-K kuvame ukungaphezu kuka-8Mbps, futhi ividiyo ye-1080P ngokuvamile inokungaphezu kuka-2M, ngakho-ke ibanga lokudluliswa kwevidiyo yethu okungenantambo lapho sithumela ividiyo ye-4K lizoba lifushane kunalelo le-1080P.

Ngezwi elilodwa, iphezulu incazelo yevidiyo, iba mfishane ibanga lokudlulisela.
Ukuminyanisa ividiyo kuncane, futhi ibanga lokudlulisela lisekelwa kude.

Kuhlelo lokudluliswa kwevidiyo, uma kukhona ukulahleka kwedatha, isithombe sizovela i-mosaic noma i-stagnation, iqhwa nezinye izenzakalo.

Kuzoba nenani elilinganiselwe lokudluliswa kabusha ezingeni lesixhumanisi esingenantambo (kunjalo, amaphutha edatha nawo azokwenzeka uma isimo singesihle). Uhlelo lokusebenza longqimba olungaphezulu ekugcineni ngeke likuqaphele, futhi ngeke icele umthumeli ukuthi adlulise kabusha.

Uma isignali yesixhumanisi esingenantambo ingalungile endaweni ethile ngemva kokunwetshwa kwebanga, futhi kuhlala kukhona amaphutha amancane, akunakwenzeka ukuyiklama ukuthi idluliselwe kabusha ngaso sonke isikhathi, ukuze ulwazi lomsebenzisi wokugcina lube lubi kakhulu.

Isendlalelo sesixhumanisi esingenantambo sinomshini wokudlulisela kabusha olinganiselwe. Sihlole iphrothokholi ye-tcp ukuze idluliselwe kusendlalelo sokudluliswa kwevidiyo (uzama ukudlulisa ungqimba olungaphezulu ngephrothokholi ye-tcp), kodwa ukuhlolwa kwathola ukuthi akukho ngcono okusobala, futhi kuzoholela nasekubambezelekeni okungalawuleki.

1. Ukushisa okukhiqizwa ohlangothini lwendiza kukhulu kakhulu kunohlangothi lwaphansi. Uma i-fan isebenza, hlola ukuthi indawo yokungena komoya kanye ne-outlet yefeni eliphansi (izikhundla zokushisa zishona kuzo zombili iziphetho) bavinjiwe
2. Zama ukushintsha ukunikezwa kwamandla kwesidlulisi seyunithi yomoya ukusuka ku-24V ukuya ku-12~18V (amandla okudlulisa azokwehliswa abe cishe ku-35~36DB)
3. Yehlisa kancane amandla okudlulisa endiza ngemiyalo engezansi ye-AT: AT^DSSMTP="23" Qalisa kabusha ngemva kokusetha

umbuzo: Ingabe lezi zilungiselelo zingamandla amakhulu emojuli? (24 dBm)

impendulo: 24I-dBm ingamandla okukhipha aphezulu emojuli yesixhumanisi, kanye nenzuzo ye-PA (cishe 14dBm) idinga ukwengezwa. Amandla okudlulisa wangempela ngemva kokuphuma kukagesi we-24V we-PA acishe abe ngu-38dBm.

Isikhathi esiholayo: 10 izinsuku zokuthenga inani elincane.

Ikhodi ye-HS: 8517629900

Umehluko phakathi kweyunithi yomoya (Lidlulisela) kanye neyunithi yaphansi (umamukeli) amaphuzu amabili:

Olunye uhlobo lwedivayisi: Iyunithi yomoya (Lidlulisela) yi indawo yokufinyelela kanye neyunithi yaphansi (umamukeli) yi i-central node.

Okubili isilinganiso sesilinganiso sesixhumanisi esiphansi nesiphezulu. Ngaphezulu kwe-30km, the best rate isilinganiso kuyinto 4:1 noma 3:2.

If you don't want to connect the receiver ethernet cable directly to the computer. Khona-ke akulula ukufinyelela umamukeli kunethiwekhi yangakini.

Nazi izixazululo ezimbili zakho.

1. Engeza ikheli le-IP lengxenye yenethiwekhi ye-192.168.1.x ohlangothini lwe-PC (i-PC ingalungiselelwa ngamakheli e-IP ezingxenye zenethiwekhi eziningi)

2. Lungisa i-IP yomamukeli wedatha yevidiyo engenantambo evela 192.168.1.12 ekhelini lengxenye yenethiwekhi ye-10.220.20.x ukuhlangabezana nenethiwekhi yakho yendawo.

Ukuze uthole eminye imibuzo nezisombululo, sicela ukhulume nomuntu osebenza naye endaweni yangakini noma unjiniyela, umamukeli wethu ufana nekhompyutha enekheli le-IP, kufanele igcine ikheli le-IP lengxenye yenethiwekhi lifana, Ngokwesibonelo, 192.168.1.xxx.

1. Yebo, kunezixazululo ezintathu zokwenza lokho.
2. I-TX900 inezimbobo zedatha ezintathu. Hlukanisa ngokusebenzisa izimbobo ze-serial ezisobala ezihlukene, njenge-D2 yokulawula izindiza ezidluliswayo kanye ne-D3 yokulawula izindiza zemishini. Ububi ukuthi umamukeli we-TX900 udinga ukuxhunywa kumachweba amabili we-serial ukuze athumele imiyalelo ngokuhlukana..
3. Sebenzisa imbobo ye-serial ebonisa ngale efanayo ukuze uthumele idatha ngobuningi, bese wengeza amaphrothokholi wesendlalelo (njengolwazi olusekhanda) kudatha yokuhlukanisa ukuthi iyiphi indiza okufanele yamukele futhi icubungule idatha. Ububi ukuthi ukucubungula ukuthumela nokwamukela idatha kuyinkimbinkimbi.
4. Noma sebenzisa izamukeli ezimbili: Isamukeli esisodwa esendiza yemishini (Lidlulisela), futhi esinye isamukeli ngese-drone ephindayo. Ukuxhumana nokusebenza kulula.