A portable diagnostic device (PDD) for diagnosing packet-based wireless networks. the PDD comprises an input device configured to convert user input into electrical signals, a radio frequency (RF) transceiver, an antenna, processing logic, a modem, and a display device. The processing logic is configured to execute a diagnostic software module that generates diagnostic commands for diagnosing a packet-based network and that interprets diagnostic information sent from the packet-based network to the PDD. The modem enables the PDD to wirelessly communicate via the RF transceiver and the antenna with a base transceiver station (BTS) that is in communication with the packet-based network. The display device displays diagnostic information received by the RF transceiver and processed by the processing logic. The diagnostic information displayed on the display device describes one or more attributes of the packet-based network.
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