Global System for Mobile Communication (GSM) modem is really a specialized type of modem that operates over paid subscription bases to an instant network, exactly such as a mobile phone. It accepts a Subscriber Identity Module (SIM) and actually performs like a cell phone for computers. This kind of modem can be utilized as a dedicated cellular phone that the computer may use for GSM network capabilities. Traditional modem is attached to computers allowing dial-up connection to other remote computer systems. Additionally, it functions in a quite similar manner, by having an exception so it sends and receives data through radio waves in place of a telephone wire. This type is definitely an external device connected with a USB (Universal Serial Bus) cable or even a serial cable. Commonly it is just a mini device which can be plugged into the USB port or card slot of a PC or perhaps a laptop.
It is just a communication device like its ancestors having wires, but since the service is on paid subscription bases, it will have installed a SIM card. This card can connect the modem to the proper company and identifies the unit user to its carrier network. This way, it functions almost like a cell phone; as a matter of fact, many cell phones utilize SIM cards for the said purpose. The SIM cards actually contain all the consumer data like subscription, membership and caller’s logs etc. these SIM cards are usually inter-changeable among GSM modems and GSM cell phones. Similarly dial-up modem converts analog signals to digital and vice versa, GSM modems convert digital data to SMS (Short Message Service) message for sending or receiving message over the wireless phone network. SMS messages are small packets of electric data that will be sent and received just like the info packets on dial-up modem.
GSM Cellular Modem
Several new brands of third-generation (3G) and fourth-generation (4G) expensive smart phones are using GSM technology so that they may work as wireless hotspot for computer when required. They can easily get in touch to the computer via USB cable or even without a wire over a wide-fidelity (Wi-Fi) network and also via Bluetooth. This enables user to access the Websites using their mobile phone working as a GSM modem instead of a conventional Wi-Fi connection. Most of the users who have an unlimited data package on the mobile phone, this can be a cheaper solution than paying extra for another Internet access, or paying money as an association fee or a membership for a public Wi-Fi hotspot.