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Mobile Broadband - How it Works
Mobile Broadband is one of the most preferred and easy way for online computing. Users are provided with a USB dongle which can access the provider’s mobile network and connect to the internet. It uses the 3G standards to transfer data at a maximum speed of 14.4Mbps. These devices are more compact and provide a complete wireless solution. Also some USB dongles provide access to multiple users at the same time.
Mobile Broadband Explained
The transfer of data in a wider bandwidth at faster rate is known as broadband. A similar service is provided wirelessly using the mobile networks is called Mobile Broadband. A USB modem or dongle or data card is used to transfer data from the computer to the mobile base station. These devices are capable of accessing the mobile signals with the help of SIM card which is either embedded or inserted in the device.
The working of a mobile broadband is similar to a mobile phone; however it’s capable of transferring both voice and data simultaneously. The SIM card used for accessing the broadband network works using the 3G standards like EDGE, CDMA-2000, EV-DO, UMTS, etc. That’s why it is referred as 3G Broadband.
Data Transfer
Mobile Broadband is one of the secured ways of data transmission. The USB modem is controlled by the connection manager software. It helps to establish a connection between the modem and the mobile bases station. The SIM card is powered by the modem and searches for the mobile signal. The sync is established if the authentication process is successful. Now the computer is ready to transmit data.
The data travels through the mobile signals in an encrypted format and reaches the mobile base station. From the mobile base station it reaches the internet cloud and retrieves data. The security of mobile broadband is high especially due to the reason that it works using a unique IP address. To be clear, all the USB modems provided with a local IP address which is for identification within the firewall of the mobile broadband network. Whereas communication beyond the firewall happens with a unique IP address. This feature makes the work for the hackers tougher.
The speed of the data varies based on the type of signals available in the area. At present the two standards used in the mobile signals are 2G and 3G. The 2G standards offer a speed limit of less than 1Mbps. But the 3G signals can transmit data up to a speed of 14.4Mbps. However, the current mobile broadband speed of UK is in the process of upgradation from 7Mbps to 14.4Mbps. Also the next generation mobile broadband standards like 4G can offer download speeds of 100Mbps.
Another factor which can affect the speed of data transfer is the mobile coverage and signal strength. All the wireless and mobile signals are vulnerable to physical disturbances. The stronger the signal, so is the speed of the data travel.
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