We need schematic diagram to show how you can accommodate our requirement to supply GSM alarm system to provide connection to 59 radio station base station at various distance all over the country.

• 我们需要你们按要求做一个原理图解以展示一下GSM警报系统连接到全国各地不同距离的59个无线电波信号站工作原理是什么样的。