Passive DAS
Cov khoom
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Coupler 10dB
Telsto Wide band Directional couplers muab kev sib txuas ncaj nraim ntawm ib txoj kev teeb liab mus rau lwm qhov hauv ib qho kev taw qhia nkaus xwb (lub npe hu ua cov lus qhia). Lawv feem ntau muaj cov kab txuas txuas txuas hluav taws xob mus rau ib txoj kab tseem ceeb. Ib qho kawg ntawm txoj kab pabcuam txuas mus tas li nrog kev sib tw ua tiav. Cov lus qhia (qhov sib txawv ntawm kev sib txuas hauv ib qho kev taw qhia piv rau lwm qhov) yog kwv yees li 20 dB rau cov khoom sib txuas, Cov kev taw qhia txuas tau siv thaum twg ib feem ntawm lub teeb liab yuav tsum tau muab cais tawm ...