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Unlike the ground through the fiber optic line connection to the Internet, the cruise ship floating on the ocean can only achieve the transmission and reception of information through satellite communication covering the world, the cost of satellite transmission is not only expensive, but also the information flow provided by the satellite is relatively limited, which is why many tourists are complaining that the cruise ship Internet access is slow and expensive. Arguably the ocean is one of the hardest places to access the network.
Not to mention the equipment investment of the ship, the maintenance cost of satellite communication alone and the network communication needs of a large number of travelers will cause huge pressure on the ship. And sea calls are just as complicated. On land, the signal is transmitted through the base station, the distance between the base station and the base station is mostly not far, and the transmission cost is relatively low, while the general land base station built on the coast can only cover about 15 nautical miles (1 nautical mile = kilometer) distance of the area, and then there is no signal.
Without the signal of the base station, if you need to communicate, you can only transmit the signal through the satellite, and the principle of satellite communication is not the same as the base station communication, first of all, the signal must conform to the frequency that the satellite can receive, this frequency can not be sent by ordinary mobile phones, only satellites have it, if it is an ordinary mobile phone, you must use the APP, through the shipboard server into a satellite signal to send, and finally this signal will be captured by the satellite, and then directed to be sent to the called ** user, The operating cost of a satellite is hundreds of millions, and the satellite needs to complete many steps in the communication process, and the cost is of course very high.
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That is the wireless network, the general signal is relatively poor, depending on what you are in, the cost in foreign countries is relatively high, and the domestic one also depends on the operator, which is generally not very cheap.
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It's very expensive, basically relying on the 4G model, and it's much better when 5G comes.
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Yes, and maybe by half! According to the person in charge of the sea pass, next year the Asia-Pacific satellite will launch the Asia-Pacific 6D satellite, this high-throughput satellite capacity of more than 30 Gbps, can support more than 100,000 ships across the country to the net, when the time comes, the cost of traffic can be reduced, at the same time, the use of sea access to the Internet traffic ** can also be reduced.
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Internet access is also available at sea. With its own industry advantages, Guangzhou Zhonghai Telecom has taken the lead in China since 2010 with the goal of "low cost, high bandwidth, wide popularity, and multiple applications", and with the support of national special policy funds, it has successfully developed a complete set of maritime satellite broadband communication systems and related products and applications, which have greatly improved the sea and land communication rate, greatly reduced the cost of sea and land communication, and created a high-speed information road from the Internet to the ocean.
At present, e-Haitong offshore satellite broadband products have been successfully promoted and applied in various industries such as marine surveillance, marine scientific research, oil exploration, channel dredging, navigation and transportation, which is the gospel of many seafarers in today's society.
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Internet access is also available at sea. On behalf of the company to participate in the 2016 China "Internet +" summit, I heard that a company named Guangzhou Zhonghai Telecom **** offshore broadband with its own industry advantages, successfully developed a complete set of maritime satellite broadband communication system and related products and applications eHaitong, greatly improve the sea and land communication rate, greatly reduce the cost of sea and land communication, and create a high-speed information road from the Internet to the ocean, which is the gospel of many seafarers in today's society.
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Where there is a signal along the coast, like on land, satellite signals can be used to access the Internet on the ocean, but the cost is not affordable for the crew, and the speed is slow and the signal is unstable.
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No, there are no base stations at sea, and land base stations can't radiate that far.
Only private networks can be tried.
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If you have a crew permit, you can find it, but you can't go to sea to work without it.
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If it is offshore, you can access the Internet but the waiter number is not good, and you can't go to the far sea.
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Of course, the traffic of maritime satellites is more expensive, the retail price of sea traffic** is 1 yuan, and the 1G flow is about 1000 yuan. In contrast, if you use maritime satellite to access the Internet, you can only buy traffic for 1100 yuan, and the price of a 500M traffic package is as high as 10,000 yuan.
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Generally no, unless docking, there should be no cellular base site at sea, the general sea staff are more hard, many people will use mobile hard drives to fill movies, American dramas, and ** or something before departure, keep it and watch it slowly!
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No, there is no signal. But there are also ways, almost can not be considered, the method is as follows: the satellite terminal can access the Internet, a about 10,000 or so, not counting the traffic fee, the traffic is more than 70 yuan for a trillion, note that it is a trillion, not g...
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If you have access to the Internet, you can't do much on the high seas, it depends on the size of your ship, and I have a classmate who works at sea.
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Smartphones and tablets must install the "Haitong" APP before using satellite wifi to achieve the function of recharge and traffic statistics, each user registers one separately, and each user is billed independently. When the user logs in, the APP will read the traffic balance and automatically calculate the traffic, so the captain does not need to worry about the traffic he purchased being used by the crew.
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It shouldn't work, but it might be better off on the coastline of China, because you won't be able to find the base station when you get to the sea. But strictly speaking, if you use a satellite receiver to access the Internet, it may be better, but the network card is not good at sea.