The MG21E dipole antennas are designed for omnidirectional gainĮnsure no physical obstructions are causing lower signal quality. The MG21 has a slight bias gain depending on the direction of the face. Improper seating of antennas could affect signal quality and prevent a stable cellular connection from being formed between the cellular gateway and towerĭetermine if the MG is in an optimal environment and directionĬheck that the direction of the cellular gateway is optimally facing the desired cellular tower On external antenna models, start with an inspection for any physical damage on the antennas and loose or missing antennas With the cellular gateway turned off, check the SIM card tray and validate the SIM card is properly seatedĬheck for any damage to the SIM tray cageĬheck SIM card alignment if card is not properly set If experiencing unstable cellular connectivity and/or a solid amber power LED, indicating the gateway is unable to reach the Meraki dashboard, please attempt the following steps to help diagnose and isolate the issue: Sporadic Connectivity or Solid Amber Power LED

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