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什么是大哥大 大哥大是无线移动电话手持机的俗称,在移动通信系统中,它是移动电话通信的用户终端设备。所谓移动通信就是通信双方或一方处于非固定地点的通信方式,属于双向通信方式。移动电话通信系统由无线电收、发信基站和移动电话交换局等组成。手持大哥大的用户,只要置身于移动电话通信网的服务区内,即可随时随地进行通话联络,交换信息十分方便。大哥大既可以拨叫本服务区内的移动电话,又可以拨叫本区内的固定电话(市话)用户。如果办理了国内或国际长
What is the big brother Big Brother is a commonly known as wireless mobile phone handsets, in the mobile communication system, it is the user terminal equipment for mobile phone communications. The so-called mobile communications is the communication between two parties or one party in a non-fixed location, which belongs to two-way communication. Mobile phone communication system by the radio, sending base stations and mobile phone exchanges and other components. Big Brother handheld users, as long as exposure to the mobile phone communications network service area, you can call anytime, anywhere contact, exchange of information is very convenient. Big Brother can call this service area of mobile phones, you can also dial the area of landline (local calls) users. If handled for domestic or international long