An apparatus including a wireless local area network transceiver, a wireless wide area network transceiver, and a portable power source. The wireless local area network transceiver is configured to wirelessly communicate with a client station using a wireless local area network protocol. The wireless wide area network transceiver is configured to wirelessly communicate with a base station. The portable power source has a state of charge and is configured to provide power to the wireless local area network transceiver and the wireless wide area network transceiver. The wireless wide area network transceiver is configured to suspend wireless communication with the base station in response to no packets of data having been received at the wireless wide area network transceiver from the base station for more than a predetermined period of time. The predetermined period of time is adjusted based on the state of charge of the portable power source.