1. 'Io, ʻe lava ke liliu ʻa e tuʻo lahi mei he 170Mhz (lelei ange mei he 220Mhz) ki he 860Mhz. Ko ia ʻe lava ke ngaue lelei ʻi 260Mhz band.
2. ʻOku totonu ke liliu ʻa e tuʻo lahi hono tohí ʻo tatau pē ʻi he transmitter mo e receiver. ʻO e ngāué, ʻoku totonu ke liliu ʻe he Power Amplifier mo e ʻenitena ʻa e tuʻo lahi tatau. (ʻOku fie maʻu ke ke fakatau ha malohi amplifier mo e ʻenitena ki he transmitter mo e receiver ke feau hoʻo liliu).
3. Ke lava ʻo fakaleleiʻi ʻa e pelepelengesi ʻo hono ʻave mo hono maʻu, ʻOku faʻa fasiʻi ʻaupito ʻa e bandwidth (tuʻo lahi ʻa e senitaá ±15Mhz, ko ia bandwidth ʻoku totonu ke 30Mhz). ʻOku fakapatonu makehe ʻa e malohi amplifier ʻo e transmitter mo e tuʻo lahi ʻo e ʻenitena ʻo fakatatau ki he tuʻo lahi ʻoku ke fie maʻu.
4. ʻOku lelei taha pe ia ʻi he taimi ʻoku ke fokotuʻu ai ha ʻota, Kataki ʻo talamai ʻa e faʻahinga ngaue ʻoku ke fie maʻu. ʻE liliu ʻe heʻetau kau ʻenisinia ʻa e tuʻo lahi ʻo e transmitter mo e receiver, pea toe liliu foki ʻa e PA mo e ʻenitena ʻo fakatatau ki he tuʻo lahi ko ʻeni ke fakapapauʻi ʻa e ongoʻingofua lelei taha mo poupouʻi ʻa e mamaʻo taha ʻo e feʻaveʻaki.
5. Ko e default frequency ko e 590Mhz, Mo 30Mhz (+/-15Mhz), te ke lava ʻo liliu ia ʻo ʻikai fulihi ʻa e Power Amplifier mo e ʻenitena. Hange ko 'eni, 578Mhz, 584Mhz, 590Mhz, 596Mhz, mo e 602Mhz.
6. Kapau ʻoku fie maʻu ke ke liliu ʻa e transmitter tuʻo lahi mo e bandwidth, ʻOku ke fie maʻu ha meʻangaue makehe ʻo e Parameter configure palakipoe, Kataki ʻo vakai ki he fakatata ʻi lalo, ʻOku ʻikai ko ha default ia, Kataki ʻo fakatau ia ʻi ha fakamole makehe pe fetuʻutaki mai kiate kimautolu kimuʻa pea toki ʻota.

'Io, ʻoku ne poupouʻi ke ʻave ʻa e vitioo mo e fakamatala UART mei he transmitter mo e receiver.
ʻI heʻene hoko ko e feʻaveʻaki ʻi ha founga pē ʻe taha, koeʻuhí ke ʻoua naʻá ne lava ʻo ʻave ʻa e fekau ʻoku ne puleʻi ʻa e fakamafolá ki he tokotaha ʻokú ne puke ʻa e fakamafolá.

Kapau ʻoku fie maʻu ke ke ʻave ʻa e ngaahi fekau pe fakamatala kehe mei he receiver ke puleʻi ʻaki ha ngaahi meʻangaue kehe hange ko e ngaahi meʻafaitaa pe drones ʻi he transmitter, te ke lava ʻo tanaki atu ha seti meʻangaue fakaʻilekitulonika ʻoku maʻamaʻa, fetu'utaki mai kiate kimautolu, pea te mau lava ʻo fakafeʻungaʻi ia maʻau.

Kātaki ʻo vakaiʻi ʻa e fakaʻuhingaʻi ʻo e UART ʻi he transmitter mo e receiver ʻi he fehokotakiʻanga ʻi laló. Kātaki ʻo talamai pe ʻokú ke fie maʻu ha keipolo taki. (peesi tuʻumaʻú ko e ʻikai)

Ko e default ʻa e transmitter Power Amplifier ko e 2 Watts, koeʻuhí ke ne lava ʻo poupouʻi 30 KM ʻi he laine.

Ko e fakatata ʻi lalo ko hotau mamaʻo ia mei he moʻunga ki he matatahi.

Kapau ʻoku ke fie ʻave ha ngaahi meʻa loloa ange, te ke lava ʻo fakatupulaki ʻa e malohi amplifier. Makehe mei he uati ʻe taha mo e Watts ʻe ua, te tau lava foki ʻo fai 5 Watts, 10 Watts, mo e 20 Watts ki hoʻo fili. ʻOku toe fie maʻu foki ʻe he amplifiers lahi ange ha puha ʻuhila lahi ange mo e tokoni lolotonga.

Maʻa e 20W PA, ʻOku totonu ke 24 ~ 28V ʻa e maʻuʻanga malohi. ʻI he 28 volts lava ʻe he malohi amplifier ʻo aʻusia ʻa e workability lelei taha.

ʻE lava ke liliu ʻe heʻetau ʻenisinia ʻa e tuʻo lahi ki he 300Mhz mei he default 590Mhz, Ko e ʻenitena, mo e PA ʻi he fale tukuʻanga koloa ko e 590Mhz, 300ʻOku fie maʻu ʻe Mhz ha uike ʻe ua ke fakafeʻungaʻi, ko ia ʻoku fie maʻu ke loloa ange ʻa e taimi ʻoku ʻomi ʻi heʻetau default 590Mhz.

Ko e seti kakato ʻo e default

1. SD Transmitter ( PA 0.5 W, 1W, 2W, 5W, 10W, 20W, 50W fili ʻo fakatatau ki he fie maʻu hoʻo ʻota)
2. SD Transmitter ʻenitena
3. HDMI CVBS Output ʻoku ne puke atu ʻa e Parameter Control menu mo e kiʻi screen siʻisiʻi
4. 0.8-mita ʻo e receiver ʻenitena 1 pcs. (ʻOku ʻi ai ha faʻahinga ʻe ua ʻo e fola pe fakaleleiʻi ʻo e ʻenitena: 1. hiki fakamakinito sucker Base ʻenitena, 2. Peesi Tu'uma'u Faʻahinga ʻo e U-Type Wilder FRP fiberglass ʻenitena )
5. Fili pe, Parameter fokotuʻutuʻu ʻo e papa ki he vitio wireless transmitter.

(Kapau ʻoku ke fie maʻu ha hiki fakamakinito sucker Base ʻenitena, ʻOku fakakaukau ʻa e tokotaha fetuku koloa ʻe uesia ʻe he ngaahi koloa hiki fakamakinito ʻa e malu ʻo ʻenau vakapuna, ko ia ʻoku maʻolunga ange ʻa e totongi fakafolau ʻi he faʻahinga ʻo e ʻIunaiteti Siteiti ʻenitena. )

Ko e peesi tuʻumaʻu ʻo e kofukofu kuo fokotuʻu

1. 84*21*12SENITIMITA 'E
2. Mamafa lahi 4.5 KG
3. Kapau te ke fili ʻa e 100cm ʻenitena mo hiki fakamakinito sucker Base ʻenitena, ʻE ʻi ai ha ngaahi forwarders Totongi Feleti ʻe niʻihi te nau totongi ha ngaahi totongi lahi ange, hange ko e totongi loloa mo e totongi makehe ki he ngaahi meʻa hiki fakamakinito malohi.

1. ʻOku kehe ʻa e transmitter Parameter configures palakipoe mei he taha ʻi he receiver. Naʻe kehe ʻa e firmware ʻi he poate Parameter configure mei he transmitter mo e receiver, he ʻikai lava ke fakaʻaongaʻi kinautolu.
2. ʻE lava ke liliu ʻe he transmitter Parameter configures palakipoe ʻa e fakaʻilonga attenuation ʻi he transmitter. ʻE fakasiʻisiʻi ʻe he 0.3 b ʻa e 0.5 W PA.

Fehu'i: ʻOku malava nai ke liliu ʻa e malohi outpout (PA ʻi loto 0,5 w, 1 w, 2 w) ʻo fakafou ʻi he papa fokotuʻutuʻu?

1. Hangē ko ia ʻoku tali atu ʻi ʻolungá, te ke lava ʻo liliu ʻa e malohi ʻo e Output ʻaki haʻo fokotuʻu ʻa e ngaahi fakangatangata ʻo e ATTEN ʻo fakafou ʻi he meʻangaue Parameter ʻi he transmitter. (ʻOku ʻikai kau ʻi he meʻangaue ko ʻeni ʻa e peketi ne ʻuluaki seti, ʻOku fie maʻu ke ke fakaha ʻoku ke fie maʻu ke maʻu ʻa e meʻangaue ko ʻeni ʻi he taimi ʻoku ke ʻota ai)
2. Kapau te ke fakatau 2W PA, pea te ke lava leva ʻo fokotuʻu ia 0.5 W, 1W, ka he ʻikai ke ne lava ʻo liliu ia ki he 5W.
3. Te tau lava foki ʻo aʻu ki 5W, 10W, 20W, mo 50W kapau ʻoku fie maʻu ke ke poupouʻi ha ngaahi.

'Ikai.

ʻOku poupouʻi pe ʻe he vitio wireless ko ʻeni transmitter ʻa e CVBS camera pe vitioo, ʻOku fie maʻu ʻe he faʻahinga meʻafaita vitio kehe ha puha fakaului kehe.

'Ikai. Ko COFDM (DVB-M) tekinolosia.

Ko ia ko e tuʻo lahi ʻo e COFDM ko e 170-860Mhz. Te ne lava ʻo poupouʻi 477, 610, 675, 724, 816Mhz, ka ʻoku ʻikai ke ne lava ʻo poupouʻi 970, 1180, 1230 Mhz.

ʻE lava ʻe heʻetau sipinga makehe transmitter ʻo poupouʻi ʻa e ngaahi feʻaluʻaki kotoa ʻi ʻolunga, ka ʻoku fie maʻu ke fakaʻaongaʻi ʻe he tokotaha ʻoku ne puke ʻa e konga downconverter.

Koeʻuhi ke lava ʻo fakaʻata ʻetau founga ʻave ʻo e wireless ke poupouʻi ha ivi lahi mo lelei ange, ʻOku tau faʻa fokotuʻu ʻa e tuʻo lahi ʻo e ngaue ki ha tuʻunga pau (170~ 860Mhz), pea ko hono ngaahi poupouʻi ʻoku tanaki pe ʻikai 15Mhz. Hange ko 'eni, ko e tuʻo lahi ʻo e senitaa ko e 590Mhz, ʻOku totonu ke 575Mhz ~ 605Mhz, ʻOku fakapatonu makehe ʻa e PA mo e ʻenitena ʻo fakatatau ki he tuʻo lahi ʻo e senitaa.

'Io