This type of communication network which called 4G in non-military field; is wide network in whole the country. Considering using two individual frequency for upload and download, their quality is acceptable and generally this type of modems are used in small companies and homes. In addition, the modem can be used as a portable modem by adding battery and its charge circuit. This modem can be manufactured in the frequency bands 3 and 7 with the cat4 and cat6 standards. At the present time, the cat4 model is manufactured.
