| 摘要 |
<p>Disclosed is a wide area network (WAN) module including plural radios, a power supply, and a switch configured so that one and only one of the radios may receive power at any one time. The switch may be electronically or manually operable; if electronically operable, the module may include a processor and a universal serial bus (USB) port for receiving power switching instructions. The WAN module may be incorporated into utility consumption measuring (metering) devices which may correspond to components in a consumption measurement and reporting automatic meter reading (AMR) system.</p> |
