View Signal Strength - Verizon Wireless USB551L 4G USB Modem

Note If located outside of the Mobile Broadband Coverage Area, then the device reverts to a NationalAccess connection, if available. When connected to NationalAccess the device does not experience the same speed or throughput as when connected to Mobile Broadband.


Determining Signal Type

  1. Ensure the device is connected to the computer.
    Note If using a notebook with an embedded module ensure the wireless radio is powered on.
  2. Launch VZAccess Manager.
    Note From the Windows desktop navigate: Start > All Programs (Programs) > VZAccess Manager.
    Note With Windows 10, click Start > Apps icon Apps Menu icon (located in the top-left corner) > All apps (located in the bottom-left corner) > VZAccess Manager.
    Note For Macintosh users, refer to these instructions.
  3. From the status bar (located in the lower left) verify the available networks listed e.g. Mobile Broadband (EV-RevA).


Determining Signal Strength

From the main screen of VZAccess Manager, locate the signal strength indicator located to the right of the available network(s).
Note If the device is experiencing low or no signal strength, ensure the antenna is fully extended and perpendicular to the computer. If signal strength does not improve, move the device to a location where it receives a stronger signal.


Signal Strength Indicator
Low signal strength Signal meter showing a low signal
Full signal strength Signal meter showing full signal






Received Signal Strength Indication (RSSI)

  1. From the top menu of VZAccess Manager, click Help > About VZAccess Manager.
  2. Verify the RSSI.
    Note For a reliable connection, the RSSI should be greater than -95 dBm (e.g. -73 dBm). A value of -125 dBm indicates no signal. If the signal is between -95 dBm and -125 dBm, move the device to an alternate location (an outdoor location is preferable).
    Note Image is for informational purposes only.


Related Topic: Video Icon Wireless Coverage Overview