A modem – a portmanteau of "modulator-demodulator" – may be a hardware device that converts information from a digital format, supposed for communication directly between devices with specialized wiring, into one appropriate for a transmission medium like phone lines or radio. A electronic equipment modulates one or a lot of radio radiation signals to code digital info for transmission, and demodulates signals to rewrite the transmitted info. The goal is to supply an indication which will be transmitted simply and decoded faithfully to breed the initial digital information. Modems are often used with nearly any means that of transmission analog signals, from light-emitting diodes to radio. a typical variety of electronic equipment is one that turns the digital information of a pc into a modulated electrical signal for transmission over phone lines, to be demodulated by another electronic equipment at the receiver aspect to recover the digital information. Computer village is one of the leading ICT Retail Shop in Bangladesh. We provide the best Networking components at best price all over Bangladesh.