Ethernet cable extension service

The service is a lengthening of an Ethernet cable Cat 6 or Cat 6e or Cat 7 according to the choice from the main modem to another location of your choice, for example, if you have the main internet on the ground floor and you have a game room or a screen on the second floor, and the Wi-Fi signal from the first floor does not reach it. The service is extending the cable from the modem to the room.