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Troubleshooting your AltoReach link

If a wireless link is not forming or has sub-optimal performance:

  1. Confirm that the devices have line of sight with each other, and that there are no obstacles within the Fresnel zone.
  2. Check the devices' Wireless configuration parameters to make sure that they are configured correctly. Devices must be using the same channel, SSID, security mode, and passphrase.
  3. Confirm that the devices are within the correct coverage distance from each other.
  4. If possible, try to use a different channel for the link. Changing the channel may reduce co-channel interference, and may also improve link quality, because different frequencies have different characteristics.
  5. If the devices are connected but the connection quality is poor, it could be due to a destructive reflection. AltoReach devices use Single-carrier Physical Layer (PHY) for transmission, which is susceptible to destructive reflections. To solve this, move the AltoReach device up and down, or left to right, in small increments. Up and down movements are generally more helpful, assuming the destructive reflection is being caused by the ground or a nearby roof.
  6. If the device's MCS is lower than you expect given a solid RSSI, keep in mind that the link needs to have traffic to modulate to higher values.