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Ａｌｌｅｎ电信公司的Ｄｅｃｉｂｅｌ产品部推出了两种新型天线。(1)ＰＣＳｄＢＤｉａｍｏｎｄ小型室内天线ＤＢ791ＳＤ58Ｍ。该天线长35英寸,宽165英寸,高16英寸,比一个普通鼠标还要小,仅重25盎司,ＶＳＷＲ(电压驻波比)保证小于15∶1。水平射束宽度为129°,垂直射束宽度75°。
Allen Telecommunication’s Decibel Products Division introduced two new antennas. (1) PCSdBDiamond small indoor antenna DB791SD58M. The antenna is 35 inches long, 165 inches wide and 16 inches high. It is smaller than a regular mouse and weighs only 25 ounces. The VSWR (Voltage Standing Wave Ratio) is guaranteed to be less than 15: 1. The horizontal beam width is 129 ° and the vertical beam width is 75 °.