當dang今jin網wang絡luo通tong信xin中zhong
，互hu聯lian部bu件jian連lian接jie器qi扮ban演yan著zhe重zhong要yao角jiao色se。它ta能neng把ba單dan個ge設she備bei進jin行xing電dian連lian接jie，形xing成cheng更geng大da的de網wang絡luo係xi統tong。如ru今jin大da家jia都dou采cai取qu標biao準zhun化hua的de互hu聯lian，它ta可ke以yi使shi不bu同tong公gong司si製zhi造zao的de設she備bei相xiang互hu連lian接jie在zai一yi起qi
，從cong而er在zai某mou個ge街jie區qu構gou建jian成cheng一yi個ge網wang絡luo
，以yi滿man足zu商shang業ye或huo者zhe社she區qu需xu求qiu。無wu線xian通tong信xin係xi統tong的de基ji站zhan內nei部bu互hu聯lian，需xu要yao各ge種zhong各ge樣yang的de電dian子zi連lian接jie器qi。基ji站zhan控kong製zhi器qi、yidonghulianwanghewangguanzhichijiedianzhijian，douxuyaodalianglianjieqi。dianlianjishujianghuishiningenghaodeweixingshepindianzilianjieqihezuohuoban，womendechanpinyijingguangfanyingyongyuluyouqi，Modem, 無線AP, 微型基站
，以及智能手機等，讓連接無處不在。

移(yi)動(dong)手(shou)機(ji)用(yong)的(de)開(kai)關(guan)式(shi)同(tong)軸(zhou)連(lian)接(jie)器(qi)主(zhu)要(yao)用(yong)於(yu)提(ti)供(gong)手(shou)機(ji)內(nei)的(de)天(tian)線(xian)和(he)汽(qi)車(che)外(wai)部(bu)天(tian)線(xian)之(zhi)間(jian)的(de)信(xin)號(hao)切(qie)換(huan)。這(zhe)種(zhong)開(kai)關(guan)式(shi)的(de)連(lian)接(jie)器(qi)，表(biao)麵(mian)安(an)裝(zhuang)開(kai)關(guan)式(shi)連(lian)接(jie)器(qi)直(zhi)接(jie)和(he)手(shou)機(ji)天(tian)線(xian)連(lian)接(jie)，由(you)於(yu)功(gong)率(lv)元(yuan)件(jian)和(he)天(tian)線(xian)或(huo)開(kai)關(guan)間(jian)距(ju)離(li)短(duan)，因(yin)此(ci)內(nei)部(bu)沒(mei)有(you)電(dian)纜(lan)

，信(xin)號(hao)傳(chuan)輸(shu)效(xiao)果(guo)非(fei)常(chang)好(hao)。