I-GFD2000 LNB Dongle

I-GFD2000 i-fiber optic LNB Dongle iyisamukeli se-TV esiyi-compact fibre optic esifakwe echwebeni le-RF lesathelayithi STB. Isebenza nge-Greatway GLB3500MT optical transmitter, i-GFD2000 LNB dongle iguqula isignali yokubona ibe yiSatellite RF. Inikwa amandla yi-13V/18V DC kusukela kusamukeli sesathelayithi, i-GFD2000 ikhipha ama-transponder wekhwalithi ephezulu wesathelayithi ngokuzuza idizayini eyisicaba. I-GFD2000 ine-MER yesathelayithi enhle kakhulu ngamandla okufaka aphansi kakhulu (afana -18dBm).

I-Direct Broadcasting Satellite (DBS) kanye ne-Direct to Home (DTH) kuyindlela edume kakhulu yokujabulela i-TV yesathelayithi emhlabeni wonke. Ukuze wenze lokhu, i-antenna yesathelayithi, intambo ye-coaxial, i-splitter noma i-multi-switcher kanye nesamukeli sesathelayithi ziyadingeka. Kodwa-ke, ukufakwa kwe-antenna yesathelayithi kungase kube nzima kubabhalisi abahlala ezindlini. I-SMATV (i-satellite mater antenna TV) iyisixazululo esihle sokuthi abantu abahlala esakhiweni noma emphakathini babelane ngesitsha sesathelayithi esisodwa kanye nothi lwe-TV yasemhlabeni. Ngekhebula le-fiber, isignali ye-SMATV RF ingalethwa ku-30Km kude noma isatshalaliswe ezindlini ezingama-32 ngokuqondile, ezindlini ezingu-320 noma ezingu-3200 noma ezingu-32000 nge-GWA3530 fiber optic amplifier.

I-GLB3500MT ingaguqula ubukhulu obungu-32UB isuka kusethelayithi eyodwa noma isathelayithi ezine ibe ifayibha engu-1550nm ngesiguquli sesathelayithi sangaphandle. 20dBm inguqulo yamandla aphezulu GLB3500MT-D20 ingashayela 512pcs GFD2000 LNB Dongles ngokuqondile. Lokhu kunikeza indlela engabizi kakhulu kubabhalisi abahlala ezindlini noma emphakathini ukuze babuke okuqukethwe okudumile okufana ne-BeIN, i-OSN njll. phezu kwe-STB ehlezi evamile noma isiqophi sokuhlala esimisiwe ngokufaka i-LNB dongle echwebeni layo le-RF. Ngenxa yesihlungi esakhelwe ngaphakathi esingu-1550nm, i-GFD2000 ingafakwa endaweni ye-RF yedekhoda ngqo ngisho noma obhalisile akanayo i-GPON/XGPON ONU.