public String getLastUplinkReceivedAt() {
        return this.lastUplinkReceivedAt;
    }
<p>
The date and time when the most recent uplink was received.
</p>
<note>
<p>
This value is only valid for 3 months.
</p>
</note>

@return The date and time when the most recent uplink was received.</p> <note>
        <p>
        This value is only valid for 3 months.
        </p>
aws-java-sdk-iotwireless/src/main/java/com/amazonaws/services/iotwireless/model/GetWirelessGatewayStatisticsResult.java