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Outdoor positioning is generally divided into:The LBS base station locates 20-200 meters in the urban area and 1000-2000 meters in the suburb. The rest are basically satellite positioning. The glob...

Is there any dead corner in your factory? Is the intercom information of security patrol unable to be saved?Today, there is a dead corner for monitoring in fixed places, and the intercom audio cann...

Is Huawei Mate50 a satellite phone? What's the difference?How many kinds of satellite phones are there? What is Tiantong satellite phone?At the recent Huawei Mate50 press conference, the most eye-c...

Today, let's talk about the hand-held group walkie talkieLet's start with the traditional walkie talkie. First, the civil analog walkie talkie is characterized by its simplicity, ease of use and lo...

Taxi industry is a special industry group. Nowadays, there are many kinds of communication systems in taxis and their systems are messy, which is not convenient for barrier free group communication...

With the continuous development of the economy, the society is in an unprecedented transition period, which has led to endless public security problems. Since 2010, the government has opened the pr...

Urban management bureau, which is often referred to as "urban management", is a management department that undertakes the guidance, overall coordination and organization of urban management supervi...

1、 Demand analysis:"Patrol inspection" is an important measure to ensure the normal operation of production infrastructure in traditional industries. Through patrol inspection, equipment operation ...

"Where is your ship at present? Is there anything unusual at sea..." Recently, Quanzhou, Fujian, ushered in the "fishing opening" period in an all-round way. 1449 large and medium-sized fishing boa...

5000 km walkie talkie, of which 5000 km refers to the span length of China, also known as the national walkie talkie. Generally speaking, it is a network walkie talkie, which realizes the talkie fu...

There is no doubt that when talking about the Internet of Things, we should first talk about the Internet of Things cardThe IoT network card is an Internet based on the information content sensing ...