IISJGKCG's main business is base station construction and base station equipment, what do these two major businesses do?

Needless to say, the construction of base stations is the construction of base stations.

Equipments of base station refer to equipment that controls the reception and transmission of radio signals to form a two-way telephone circuit with a mobile station.

That is, the public mobile communication base station is a form of radio station, which refers to the radio transceiver station that transmits information between the mobile communication exchange center and the mobile phone terminal in a certain radio coverage area.

At this time, Japan attached great importance to the application of technology that could be converted into product production, and the application-oriented information industry was relatively developed.

iisjgkcg company is also relatively developed in terms of base station construction and base station equipment, and the main operating object of this base station equipment is BP machine.

Many young people in later generations may not know what the BP machine is, but this kind of BP machine was so popular in the eighties and nineties that it was not wanted.

The BP machine is the receiver of the called user in the wireless paging system.

It consists of a superheterodyne receiver, a decoder, a control and a display.

It selects the useful signal to be received from the paging signal and interference transmitted by the base station, restores it to the baseband signal of the original paging machine, and generates sound (or vibration) and displays digital (or alphabet, Chinese characters) messages.

Li Zhongxin remembers very well that in '83, users in Shanghai only used analog signal BP machines, and users could only accept call signals, and they needed to call the paging station to inquire about the call-back number.

From the beginning of the BP machine business in the Shanghai market in '83 to this time in '84, there are few developed regions in China that can have such a thing.

At this time, there is no such business in the Northeast, and the construction of base stations is only available in the megacities of Shanghai and Guangzhou.

The equipment used in the construction of the base station is basically purchased from large telecommunications companies in Japan.

Li Zhongxin suddenly saw a business opportunity that no one else could see.

The potential of the two things of base station construction and base station equipment is quite huge, not to mention that the products produced can achieve the desired effect.

IISJGKCG company in Japan to build a base station and sell base station equipment is blocked, this is too normal, Japan in the degree of development of communications is decades higher than China, Japan does not need such equipment, just exported to China.

Li Zhongxin in other regions is not sure to take it down, but on the side of Hei Province, there is no big problem in establishing such a base station and introducing base station equipment, so that Hei Province can enter the era of mobile communications as soon as possible.

Li Zhongxin at this time also felt that there is no mobile phone shortcomings, at this time, as long as you come out of the home or from the unit, then, if others want to find you, you have to wait until you arrive at another location to be able to find you, if at this time to introduce BP machine such a thing, to carry out such a business, then, in the future, who you want to find, the speed will be much faster.

Shanghai and Guangzhou are key areas supported by the state, and they are the first to have a BP machine paging business, and the black province should also have such a business as soon as possible, at least in the province, it will be much more convenient to find people.

The construction and installation of base station equipment is not an overnight thing, and the construction and installation will take at least a year and a half.

It's September '84, which means that if we start to study this matter at this time and introduce IISJGKCG to China, then the base station in Hei Province will soon be able to be established.

This is a win-win situation, he has now acquired IISJGKCG company, and the company's main business is carried out to the black province, which is nothing more than to reduce the price a little.

Lower some prices, although the profit is a little less, but, with the success of IISJGKCG company in building a base station in Hei Province, other provinces in China will know that there is a company specializing in this base station in Japan, and at that time, IISJGKCG company itself will have a rapid development.

Li Zhongxin remembers very well that the early BP machines were all imported products, including Motorola, Panasonic, etc.

The BP machine can only receive radio signals and cannot send signals, so it is a one-way mobile communication tool.

For example, a girl dials the number of the pager through a wired phone, and when the call is connected, she tells the operator the BP number she wants to page, her name and phone number, and then hangs up and waits. The operator of the paging station immediately enters the above information into the computer, and the transmitter automatically sends out the call message to the air under the control of the computer.

You may ask, since the radio waves emitted by the pager can cover a certain area, why can the BP machine in this area only receive calls to itself, but not the signals of other people?

It turned out that each BP machine had its own number, which was stored on the computer of the pager. The message sent by the pager has this number, and it can only start the corresponding BP machine, and has no effect on other BP machines. It's like a postman, who sends a letter according to the user's house number, and you can't go wrong.

After the girl's friend heard the sound of "B—, B-", she turned on the display switch, and a number asking for a call back appeared on the screen, so her friend could find a phone nearby to talk to the girl.

The public paging stations in China are numbered 126 and 127, and there are also some professional paging stations with 7 or 6 digits. Both 126 and 127 are utility tables, but they are used differently.

The 126 is connected by the operator's answer, which is a manual paging station, while the 127 is controlled by a computer and is called an automatic paging station.

The girl above is using an artificial paging table. If you want to paging through 127 channels, when the phone is connected, all you hear is a pre-recorded prompt, such as "Please continue to dial". Then you have to send out the paging number through the button of the telephone in your hand.

The paging station's computer picks up these signals, checks them, and paging them over the wireless channel.

Some paging devices are also connected to the telephone set at home. A certain amount of time has passed after the phone rings

If no one answers, the call will automatically go to the pager.

The pager is small in size, light in weight, and cheap and easy to use, which makes it widely used in various industries.

Instant communication started from BP machines, bringing people into an era without time and space distance, which can be found everywhere and at any time, greatly accelerating people's life and work efficiency.

Later, the domestic enterprise Inspur cooperated with Motorola to develop a Chinese character BP machine, allowing users to know the content of the call without looking for a phone on the street.

In 1987, when Motorola's mobile phones first entered the mainland, they had a strange name, "Big Brother". This is actually a homonym for the gang leader in Hong Kong and Guangdong. It is said that the name of the mobile phone is related to the movie star Sammo Ang.

At that time, when he was a director on the set, he never left his mobile phone and often used his mobile phone to give orders. Sammo Hung was originally a big brother in the Hong Kong film industry, and others called him Big Brother.

Because there are many photos of his mobile phone in the newspapers, everyone simply uses "big brother" to refer to products such as mobile computers. Whether this source is true or not, the message of the word "Big Brother" is clear, and it was a symbol of status, status, and wealth in those days.

For the Chinese people who not long ago thought that "upstairs and downstairs, electric lights and telephones" were to enter the "well-off", the shock it brought was inevitable. This is not only because it is expensive, but also because of the magic of the high-tech it demonstrates.

The emergence of Big Brother means that China has entered the era of mobile communications.

Later, in order to achieve mobile communication integration with Hong Kong and Macao, Guangdong took the lead in building 900MHz analog mobile phones.

Motorola has also set up an office in Beijing to market mobile phones. This heavyweight mobile phone is thick and bulky, shaped like a black brick, and weighs more than a pound.

It has no other functions except for making calls, and the call quality is not clear and stable enough, so it often has to be shouted. In addition, one of its large batteries can only last 30 minutes of calls when charged.

Despite this, Big Brother is still very in-demand and money is hard to find. Back then, the public price of Big Brother was about 20,000 yuan, but it generally cost 25,000 yuan to buy it, and the black market price was as high as 50,000 yuan. This is not only prohibitive for the general public, but also small and medium-sized enterprises can not afford it.

The people of that era were very simple and never hid their admiration for others. Many people have quickly opened up their social circles because of Big Brother.

For a time, combing his back hair, smearing hairspray, and holding Big Brother have become the ideal image of a rich man for many people.

People of this era must not have imagined that even street scavengers would have a small and delicate mobile phone in their hands.

Although the clumsy Big Brother and its long antenna have been frozen in the long scroll of history, those interesting scenes are still worth savoring repeatedly. Because the big brother who was born out of thin air once led the life of Chinese to a new realm.

Li Zhongxin excitedly thought that since IISJGKCG Company was engaged in this business, he had to take such a thing seriously, and the decision made by Masako Mitsui made him so happy.

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