A system comprising: a communication gateway unit located at a first location of a vehicle, the communication gateway unit comprising: a communication processor circuit; and a first power supply; a remote wireless transceiver unit located at a second location of the vehicle, the remote wireless transceiver unit comprising: a power interface configured to couple the first power supply to the remote wireless transceiver unit using two or more power lines, the two or more power lines comprising a first power line and a second power line; and one or more wireless transceivers (211, 212, 213) coupled to one or more antennas (215a-215c) on the vehicle, wherein the second location is closer to each of the one or more antennas than the first location, wherein the communication processor circuit of the communication gateway unit is configured to wirelessly communicate with devices external to the vehicle via the one or more wireless transceivers (211, 212, 213) of the remote wireless transceiver unit, and wherein the first power supply is configured to supply power to the remote wireless transceiver unit via the first power line or the second power line to power the one or more wireless transceivers (211, 212, 213), the first power line and the second power line extending between the communication gateway unit and the remote wireless transceiver unit; and one or more storage devices storing instructions that, when executed by the communication processor circuit, cause the communication processor circuit to: monitor, at the power interface, for a loss or a disruption of power transfer on the first power line; and in response to a detection of a loss or a disruption of power transfer on the first power line, select the second power line to transfer power to the remote wireless transceiver unit. a communication gateway unit located at a first location of a vehicle, the communication gateway unit comprising: a communication processor circuit; and a first power supply; a communication processor circuit; and a first power supply; a remote wireless transceiver unit located at a second location of the vehicle, the remote wireless transceiver unit comprising: a power interface configured to couple the first power supply to the remote wireless transceiver unit using two or more power lines, the two or more power lines comprising a first power line and a second power line; and one or more wireless transceivers (211, 212, 213) coupled to one or more antennas (215a-215c) on the vehicle, wherein the second location is closer to each of the one or more antennas than the first location, a power interface configured to couple the first power supply to the remote wireless transceiver unit using two or more power lines, the two or more power lines comprising a first power line and a second power line; and one or more wireless transceivers (211, 212, 213) coupled to one or more antennas (215a-215c) on the vehicle, wherein the second location is closer to each of the one or more antennas than the first location, wherein the communication processor circuit of the communication gateway unit is configured to wirelessly communicate with devices external to the vehicle via the one or more wireless transceivers (211, 212, 213) of the remote wireless transceiver unit, and wherein the first power supply is configured to supply power to the remote wireless transceiver unit via the first power line or the second power line to power the one or more wireless transceivers (211, 212, 213), the first power line and the second power line extending between the communication gateway unit and the remote wireless transceiver unit; and one or more storage devices storing instructions that, when executed by the communication processor circuit, cause the communication processor circuit to: monitor, at the power interface, for a loss or a disruption of power transfer on the first power line; and in response to a detection of a loss or a disruption of power transfer on the first power line, select the second power line to transfer power to the remote wireless transceiver unit. monitor, at the power interface, for a loss or a disruption of power transfer on the first power line; and in response to a detection of a loss or a disruption of power transfer on the first power line, select the second power line to transfer power to the remote wireless transceiver unit.