无线寻呼是过去10年来通信产业中增长最快的业务之一。目前我国的无线寻呼用户已达5000万户，成为世界上寻呼用户最多的国家，寻呼业也已发展成为规模仅次于移动电话业的一项无线通信产业。各国的电信厂商都瞄准了中国的广大市场，不断向我国推出新的系统和新的发射机。随着信 Wireless paging is one of the fastest growing businesses in the communications industry over the past 10 years. At present, the number of wireless paging users in our country has reached 50 million and has become the country with the most paging users in the world. The paging industry has also developed into a wireless communications industry second only to the mobile phone industry. Telecommunication companies in all countries are targeting the vast market of China and constantly introducing new systems and new transmitters to our country. With the letter