型號(hào) Model D915W12主要技術(shù)參數(shù)Main Techmical pecfications 頻率范圍Frequency902-928MHZ頻率寬度Bandwidth25MHz駐波VSWR 1.5增益Gain12dBi極化形式Polarizatio Type園極化 半功率角Beam width H45 E45 最大功率Rated Power100w輸入阻抗Input Impedcion50 接口形式Connector Type N Female 天線口徑Diameter455X455mm (mm)重量Weight2.9Kg915MHzRFID讀卡天線:產(chǎn)品描述特點(diǎn): 結(jié)構(gòu)牢固,性能穩(wěn)定,防水設(shè)計(jì)/駐波性能好,增益高/外形美觀,安裝方便應(yīng)用: 900MHzRFID系統(tǒng)/GSM900/無(wú)線視頻傳輸/點(diǎn)對(duì)多點(diǎn)系統(tǒng)