RSSI stands for Received Signal Strength Indicator. It is an estimated
measure of power level that a RF client device is receiving from an access
point or router.

At larger distances, the signal gets weaker and the wireless data rates
get slower, leading to a lower overall data throughput. Signal is measured
by the receive signal strength indicator (RSSI), which in most cases
indicates how well a particular radio can hear the remote connected client
radios. 

Indoor RSSI Set-Up Best Practices

Indoor RSSI Maximums

For mixed use networks: 

  • -75 dB to -80 dB

For session based networks: (Such as video conferencing, Wi-Fi calling, inventory management,
etc.)

  • -60 dB to -65 dB

Recommended Tx Output Power on APs

For mixed use networks: (Such as
web browsing, accessing email, etc.)

  • 18 dBm to 20 dBm on the 5 GHz radio
  • 11 dBm to 14 dBm on the 2.4 GHz radio

For session based networks:

  • 11 dBm to 15 dBm on the 5 GHz radio
  • 11 dBm on the 2.4 GHz radio

Channel Width Relation to RSSI

Wider channels normally have lower RSSI values.  It is recommended to
use smaller channel widths in all but some special circumstances; when
configuring EnGenius APs.

Note: Special circumstances are low AP density deployments, such as a
small home network.  A wider channel setting should only be
considered after the RF deployment has been qualified. (40 MHz – 80 MHz
and channel widths)

Visualize your projects RSSI through the subscription-free network design
tool, ezWiFi Planner. 
Try it now to measure your projects projected coverage.  

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To view Outdoor RSSI Best Practices, Click Here