Systems and methods for using the shield of a cable for communication are disclosed. An example system includes a first electronic device, a second electronic device and a cable coupled to the first electronic device and to the second electronic device and having a conductive material independent of at least one communication line. The first electronic device and the second electronic device can be configured to communicate using a first communication protocol via the at least one communication line and using a second communication protocol via the conductive material. Communications using the second communication protocol can include a feedback signal to indicate a status of at least one of the first electronic device or the second electronic device. The first electronic device can be a user terminal configured to communicate wirelessly with a satellite, and the second electronic device can be a router configured to communicate with at least one user device.

A cable includes a first core, a second core, a first insulation layer, a second insulation layer, a shielding layer, and a first grounding layer. The first insulation layer is at least partially wrapped around the first core in a circumferential direction. The second insulation layer is at least partially wrapped around the second core in the circumferential direction. The shielding layer is located outside the first insulation layer and the second insulation layer. The first grounding layer is flat, and the first grounding layer is located outside the shielding layer. The first grounding layer and the shielding layer are separated parts, and come into contact with each other. A method of manufacturing the cable is also disclosed.

A cable includes a first core, a second core, a first insulation layer, a second insulation layer, a shielding layer, and a first grounding layer. The first insulation layer is at least partially wrapped around the first core in a circumferential direction. The second insulation layer is at least partially wrapped around the second core in the circumferential direction. The shielding layer is located outside the first insulation layer and the second insulation layer. The first grounding layer is flat, and the first grounding layer is located outside the shielding layer. The first grounding layer and the shielding layer are separated parts, and come into contact with each other. A method of manufacturing the cable is also disclosed.

An electromagnetic shielding laminated sheet includes: an electromagnetic wave absorbing layer which includes a matrix and carbon nanotubes dispersed in the matrix and which has a bulk density equal to or less than 997 kg/m.sup.3; and a metal layer laid on top of the electromagnetic wave absorbing layer.

A signal cable for an AC-coupled link, may include: a signal conductor; a dielectric surrounding the signal conductor; and a ground sheath having a conductive layer disposed at least partially around the conductor such that the dielectric is positioned between the ground sheath and the signal conductor, wherein the conductive layer comprises a first portion extending in a first direction along the cable and a second portion extending in a second direction, opposite the first direction, along the cable and further wherein the first and second portions of the conductive layer are separated from each other by a gap, the gap being dimensioned to provide a determined amount of capacitance in series in the ground sheath. The gap may form a complete separation between the first and second portions of the conductive layer.

A communication cable includes: a twisted wire obtained by twisting two insulated electric wires each having a conductor cross-sectional area of 0.13 to 0.35 sq; and a sheath configured to coat an outer periphery of the twisted wire, wherein a twist pitch of the twisted wire is within a range from 25 to 37.5 mm. A characteristic impedance is preferably 10010 .

Systems and methods for using the shield of a cable for communication are disclosed. An example system includes a first electronic device, a second electronic device, and a cable coupled to the first electronic device and the second electronic device and having a conductive material independent of at least one communication line. The first electronic device and the second electronic device can be configured to communicate using a first communication protocol via the at least one communication line and using a second communication protocol via the conductive material. Communications using the second communication protocol can include a feedback signal to indicate a status of at least one of the first electronic device or the second electronic device.

Systems and methods for using the shield of a cable for communication are disclosed. An example system includes a first electronic device, a second electronic device, and a cable coupled to the first electronic device and the second electronic device and having a conductive material independent of at least one communication line. The first electronic device and the second electronic device can be configured to communicate using a first communication protocol via the at least one communication line and using a second communication protocol via the conductive material. Communications using the second communication protocol can include a feedback signal to indicate a status of at least one of the first electronic device or the second electronic device.