通(tong)訊(xun)塔(ta)由(you)塔(ta)體、平臺(tai)、避雷(lei)針、爬梯(ti)、天(tian)(tian)線(xian)支(zhi)撐(cheng)等(deng)(deng)鋼構件組(zu)成(cheng)，并經熱鍍鋅防腐處(chu)理(li)，主要用(yong)于微波(bo)(bo)、超短波(bo)(bo)、無(wu)線(xian)網絡信(xin)(xin)號(hao)的傳輸與發(fa)射(she)等(deng)(deng)。為了(le)保證無(wu)線(xian)通(tong)信(xin)(xin)系(xi)統(tong)的正常運(yun)行，一(yi)般把通(tong)信(xin)(xin)天(tian)(tian)線(xian)安(an)置到(dao) 高點以(yi)增加(jia)服務(wu)半徑，以(yi)達到(dao)理(li)想(xiang)的通(tong)訊(xun)效果。而通(tong)信(xin)(xin)天(tian)(tian)線(xian)必須有(you)通(tong)訊(xun)塔(ta)來(lai)增加(jia)高度,所以(yi)通(tong)訊(xun)鐵塔(ta)在(zai)通(tong)訊(xun)網絡系(xi)統(tong)中起(qi)了(le)重要作用(yong).

   通訊(xun)塔(ta)(ta)(ta)(ta)是(shi)人們通訊(xun)的(de)基礎設(she)備，通訊(xun)塔(ta)(ta)(ta)(ta)常采用(yong)(yong)(yong)(yong)的(de)塔(ta)(ta)(ta)(ta)型有角鋼(gang)塔(ta)(ta)(ta)(ta)、鋼(gang)管塔(ta)(ta)(ta)(ta)、鋼(gang)獨管塔(ta)(ta)(ta)(ta)、拉線(xian)(xian)(xian)塔(ta)(ta)(ta)(ta)四(si)種。其(qi)中角鋼(gang)塔(ta)(ta)(ta)(ta)是(shi) 為常見的(de)一(yi)種，它具有制作(zuo)安裝簡(jian)便，經(jing)濟(ji)適(shi)用(yong)(yong)(yong)(yong)，是(shi)鐵塔(ta)(ta)(ta)(ta)建(jian)設(she)的(de) 。角鋼(gang)塔(ta)(ta)(ta)(ta)是(shi) 普遍的(de)塔(ta)(ta)(ta)(ta)型，它制作(zuo)安裝簡(jian)便，經(jing)濟(ji)適(shi)用(yong)(yong)(yong)(yong)，應是(shi)鐵塔(ta)(ta)(ta)(ta)建(jian)設(she)的(de) 。鋼(gang)管四(si)柱（或(huo)三柱）塔(ta)(ta)(ta)(ta)因其(qi)根開(kai)可以做得很小(xiao)(xiao)（2m左(zuo)右），適(shi)用(yong)(yong)(yong)(yong)于(yu)(yu)狹(xia)窄(zhai)場(chang)(chang)地或(huo)距建(jian)筑物較(jiao)近的(de)情況，但造價高(gao)于(yu)(yu)角鋼(gang)塔(ta)(ta)(ta)(ta)。獨管塔(ta)(ta)(ta)(ta)多用(yong)(yong)(yong)(yong)于(yu)(yu)城市(shi)風(feng)景區或(huo)其(qi)它要求美觀的(de)場(chang)(chang)所(suo)，因為獨管塔(ta)(ta)(ta)(ta)饋(kui)線(xian)(xian)(xian)引下和人員攀登(deng)都(dou)不方便。加之(zhi)生產運輸安裝等環(huan)節造價較(jiao)高(gao)，僅用(yong)(yong)(yong)(yong)于(yu)(yu)特殊要求的(de)環(huan)境。拉線(xian)(xian)(xian)塔(ta)(ta)(ta)(ta)的(de)優點是(shi)用(yong)(yong)(yong)(yong)鋼(gang)量小(xiao)(xiao)，但占地面積(ji)大，是(shi)否經(jing)濟(ji)應綜合(he)考慮；另外拉線(xian)(xian)(xian)塔(ta)(ta)(ta)(ta)易(yi)受外力破壞，一(yi)旦拉線(xian)(xian)(xian)受損即造成倒塔(ta)(ta)(ta)(ta)；拉線(xian)(xian)(xian)塔(ta)(ta)(ta)(ta)受風(feng)力作(zuo)用(yong)(yong)(yong)(yong)還會發生擺動和水平(ping)扭(niu)動，采用(yong)(yong)(yong)(yong)微波傳(chuan)輸的(de)基站慎用(yong)(yong)(yong)(yong)。