{   "_description": "Sample config file for mobility testbed.",
    "testbed":
    [
        {
            "_description": "2 android devices, 2 attenuators (control DUT's WiFi or Cellular RSSI). For mobility test, such as WiFi Calling Mobility and Cellular-WiFi switch.",
            "name": "mobility testbed",
            "AndroidDevice": ["<serial_1>", "<serial_2>"],
            "Attenuator": [ {"Model": "<attenuator model name>",
                             "InstrumentCount": "<number of instrument>",
                             "Address":"<attenuator IP address>",
                             "Port":"<attenuator port number>",
                             "Paths":["<attenuator paths>"]},
                            {"Model": "<attenuator model name>",
                             "InstrumentCount": "<number of instrument>",
                             "Address":"<attenuator IP address>",
                             "Port":"<attenuator port number>",
                             "Paths":["<attenuator paths>"]}
                          ]
        }
    ],
    "logpath": "/tmp/logs",
    "testpaths": ["../tests/sample"],
    "sim_conf_file": "../simcard_list.json",
    "adb_logcat_param" : "-b all"
}