ZAIYOUXIANDIANSHIXITONGZHONG，FENZHIQIYUFENPEIQIQUANSHIJUYOUFENPAIXINHAODEGONGXIAO。

    分支器与分配器不一样的是：

    BULUNSHIJIFENZHIQI，CHANGYOUYIGEZHUSHUCHUKOU（OUT），SHUGEFENZHIKOU（TAP）HUO（BR），SANFENZHIQIJIUSHISHUOSANGEFENZHIKOU，SIFENZHIQIJIUSHISHUOSIGEFENZHIKOU，YICILEITUI；FENZHIQIDEZHUSHUCHUKOU（OUT）DUIXINHAODESHUAIJIANXISHU（JICHARUSUNHAO）BUDA，YIBANZHINENG1dBSHANGXIA。ERFENZHIKOU（TAP）HUO（BR）DESHUAIJIANXISHUZEYIJUJUTIDEXINGHAOGUIGEBUYIYANG。LIRUDIANRONGDASANFENZHIQITU3-10MH-10dBXIANLUSHURUXINHAOSHI100dBSHI，ZHUSHUCHUKOUSHUCHUDEXINHAODAGAIWEI100-1=99dBSHANGXIA，CIWAISANGEFENZHIKOUSHUCHUDEXINHAOJIUQUANSHI100-10=90dB。FENZHIQIDESHUAIJIANXISHUNENGGOUYIJUJUTIYAOQIUPEIBEI，YIBANCONG8dB~30dBBUYI。

    GENGSHIYINWEIFENZHIQIDEOUTKOUSHUAIJIANXISHUXIAO，ZAIJUTIYUNYONGZHONG，YIBANSHIHAOJIGEFENZHIQICHUANLIANQILAIYINGYONG（SHANGYIGEFENZHIQIDEOUTCHUANSHOUDAOXIAYIGEFENZHIQIDEIN，（TAP）HUO（BR）LIJIDAOWUZIDIANSHIJIJIEXIANDUANZI），YONGYITONGYITIAOZHUXIANSHANGHAOJIGEZHONGDUANSHEBEIDEXINHAOFENPAI。