What is the minimum recommended RSSI for designing a WLAN to support data applications?

-67 dBm is the stricter threshold recommended for voice over Wi-Fi (VoWLAN) applications due to their latency and jitter sensitivity, not the baseline minimum for general data use.

-70 dBm is the widely accepted minimum received signal threshold for data applications, providing sufficient SNR for reliable 802.11 data rates in typical environments. Signal levels below this value result in increased retransmissions, reduced throughput, and inconsistent connectivity that makes data applications unreliable for end users.

-65 dBm exceeds the minimum requirement for data and is typically used as a design target for high-density or real-time-sensitive deployments, not the minimum threshold.

-80 dBm is too low for reliable data applications and is generally only sufficient for basic association, resulting in very low mandatory data rates and high packet error rates.