Ｗ—２８Ａ型无线对讲机简介汤懋松Ｗ—２８Ａ手持对讲机采用进口元器件组装而成；该机采用微矩型片状元件并由机内微电脑统筹控制，性能及指标达同类产品先进水平，价格适中，仅为同类原装进口机的一半。主要特点：１．工作稳定：本机是采用宽带、高稳定度的频率合成器。... W-28A wireless walkie talkie Brief introduction Tang Morsong W-28A hand-held walkie-talkie using imported components assembled; the machine uses a small rectangular chip components and microcomputer control by the machine, performance and indicators of advanced level of similar products, affordable, Only half of the same type of imported machines. Main features: 1. Work stability: This machine is the use of broadband, high stability of the frequency synthesizer. ...