What is a BB machine?

BB machine is a one-way communication device, the full name is pager or pager.

BB is a very popular communication device around 1990. Its main function is to receive short messages or phone numbers from paging stations. Users can contact the sender by viewing these messages. The BB machine usually consists of a superheterodyne receiver, a decoder, a control part and a display part. When a signal is received, it will emit sound or vibration and display the message content. The popularity of this device was due to the popularity of landline telephone networks at that time, which made it easy for people to receive and reply to messages. Especially among young people, BB machines were once a fashionable communication tool. However, with the development of mobile communication technology and the popularity of smartphones, BB machines have gradually been replaced by other more convenient and powerful communication devices. Although the BB machine has been marginalized today, it was once a major innovation in the field of communications, bringing convenience and change to people's communication methods.