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--- doc:appunti:hardware:tl-mr6400_openwrt [2024/11/11 18:29] – [Web References] niccolo
+++ doc:appunti:hardware:tl-mr6400_openwrt [2025/07/02 16:54] (current) – [LTE signal strenght LEDs] niccolo
@@ Line 142: / Line 142: @@
 </code>
-The **uqmi** can be used to get several info about the current connection, e.g. the **MCC** (Mobile Country Code), **MNC** (Mobile Network Code), **TAC** (Tracking Area Code), etc:
+^ RSSI  ^ Usability      ^
+| -60   | Good           |
+| -70   | Acceptable     |
+| -90   | Barely usable  |
+The **uqmi** can be used to get several info about the current connection, e.g. the **MCC** (Mobile Country Code), **MNC** (Mobile Network Code), **TAC** (Tracking Area Code, knwon also as **LAC**, Local Area Code):
 <code>
@@ Line 181: / Line 186: @@
 **%%ECI = 344505 * 256 + 7 = 88193287%%**
@@ Line 262: / Line 268: @@
 #!/bin/sh
 RSSI="$1"
 if ! echo "$RSSI" | egrep -q '^[+-]?\d+$'; then
         echo "Usage: uqmi_led.sh [RSSI]"
         exit
 fi
 echo "$RSSI" > '/tmp/lte-rssi'
 LED1=$(readlink -f /sys/class/leds/white:signal1)
 LED2=$(readlink -f /sys/class/leds/white:signal2)
 LED3=$(readlink -f /sys/class/leds/white:signal3)
 if [ "$RSSI" -eq -200 ]; then
         echo none > $LED1/trigger
         echo none > $LED2/trigger
         echo none > $LED3/trigger
 elif [ "$RSSI" -le -90 ]; then
         echo default-on > $LED1/trigger
         echo none > $LED2/trigger
         echo none > $LED3/trigger
 elif [ "$RSSI" -le -60 ]; then
         echo default-on > $LED1/trigger
         echo default-on > $LED2/trigger
         echo none > $LED3/trigger
 else
         echo default-on > $LED1/trigger
         echo default-on > $LED2/trigger
         echo default-on > $LED3/trigger
 fi
 </code>