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ZD 900/1800/2100MHz - 30dBm Tri-Band Digital Analog repeater

Maimaitawa

ZD 900/1800/2100MHz - 30dBm Tri-Band Digital Analog repeater

Repeater kayan aikin ababen more rayuwa ne da ake amfani da su a cibiyoyin sadarwar wayar hannu. Yakan ƙunshi abubuwa kamar eriya, transceivers, amplifiers, masu tacewa da na'urori masu sarrafawa. Yana faɗaɗa kewayon sadarwa kuma yana haɓaka ingancin sigina ta haɓakawa da tura sigina mara waya. Ayyukan mai maimaitawa shine karɓar sigina mara waya daga na'urorin hannu da canza su zuwa siginar waya don watsawa zuwa tashoshin sadarwar wayar hannu.


A lokaci guda kuma, tana iya karɓar sigina daga tashoshi masu tushe kuma ta canza su zuwa sigina mara waya don aikawa zuwa na'urorin hannu. Ta wannan hanyar, mai maimaita yana aiki azaman gada tsakanin na'urorin hannu da tashoshin tushe. Mai maimaita 900/1800/2100MHz yana goyan bayan isar da sigina da haɓakawa da yawa. Ana amfani da band ɗin 900MHz don sadarwar 2G (GSM), ana amfani da band ɗin 1800MHz don sadarwar 2G (GSM) da 4G (LTE), kuma band ɗin 2100MHz ana amfani da shi don sadarwar 3G (UMTS). Don haka, wannan mai maimaitawa zai iya tallafawa sabis na sadarwa iri-iri a cikin maɗauran mitoci daban-daban a lokaci guda don dacewa da buƙatun hanyoyin sadarwar wayar hannu tare da fasaha daban-daban.

    Ƙayyadaddun bayanai

    Abu Ƙayyadaddun bayanai
      DL UL
    Yawan Mitar (MHz) 939.7-949.7 894.7-904.7
      1830.3-1849.7 1735.3-1754.7
      2110-2130 1920-1940
    Max. Jimlar Ƙarfin Fitar (dBm) 30± 2 30± 2
    Kewayon sarrafa matakin atomatik (ALC) Lokacin da matakin siginar shigarwa ya karu da ƙasa da 10dB (ciki har da 10dB), ƙarfin fitarwa ya kamata a kiyaye shi a cikin ± 2dB na matsakaicin ƙarfin fitarwa.
      Lokacin da matakin siginar shigarwa ya karu da fiye da 10dB, ƙarfin fitarwa ya kamata a kiyaye shi a cikin ± 2dB na matsakaicin ƙarfin fitarwa ko fitarwa ya kamata a kashe.
    Matsakaicin matakin shigar da aka yarda (dBm) - 10
    Samun (dB) 80± 3 75±3
    Sami kewayon daidaitacce (dB) ≥42
    Samun daidaita girman mataki (dB) 1
    Samun Kuskuren Daidaitacce(dB) 0-10: ≤|±1.0|
      10-20: ≤|±1.0|
      ≥21: ≤|±1.5|
    Kuskuren mita (ppm) ≤0.05
    Ripple In Band (dB) ≤5
    VSWR ≤1.8
    Hoton amo (dB) ≤5
    Jinkirin Lokaci (mu) ≤1
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