====== Signal Quality ======

The Signal Quality is shown in the status system of the Router. Which means it's visible in the Web-Interface, but also usable in the SDK or via CLI. 
Addtional to that the WWAN Interface can be configured to only be used above a certain signal level. 

===== 4G / LTE =====
^ASU^Quality^RSRP^Level^Comment^
|95|excellent|-45 dBm|100%|perfect connection,|
|94|excellent|-46 dBm|98%|maximum download rates|
|93|excellent|-47 dBm|97%|
|92|excellent|-48 dBm|96%|
|91|excellent|-49 dBm|95%|
|90|excellent|-50 dBm|94%|
|89|excellent|-51 dBm|93%|
|88|excellent|-52 dBm|92%|
|87|excellent|-53 dBm|91%|
|86|excellent|-54 dBm|90%|
|85|excellent|-55 dBm|89%|
|84|excellent|-56 dBm|88%|
|83|excellent|-57 dBm|87%|
|82|excellent|-58 dBm|86%|
|81|excellent|-59 dBm|85%|
|80|excellent|-60 dBm|84%|
|79|excellent|-61 dBm|83%|
|78|excellent|-62 dBm|82%|
|77|excellent|-63 dBm|81%|
|76|excellent|-64 dBm|80%|
|75|excellent|-65 dBm|78%|
|74|excellent|-66 dBm|77%|
|73|excellent|-67 dBm|76%|
|72|excellent|-68 dBm|75%|
|71|excellent|-69 dBm|74%|
|70|good|-70 dBm|73%|stable connection|
|69|good|-71 dBm|72%|maximum download rates possible|
|68|good|-72 dBm|71%|
|67|good|-73 dBm|70%|
|66|good|-74 dBm|69%|
|65|good|-75 dBm|68%|
|64|good|-76 dBm|67%|
|63|good|-77 dBm|66%|
|62|good|-78 dBm|65%|
|61|good|-79 dBm|64%|
|60|good|-80 dBm|63%|
|59|good|-81 dBm|62%|
|58|good|-82 dBm|61%|
|57|good|-83 dBm|60%|
|56|good|-84 dBm|58%|
|55|good|-85 dBm|57%|
|54|good|-86 dBm|56%|
|53|good|-87 dBm|55%|
|52|good|-88 dBm|54%|
|51|good|-89 dBm|53%|
|50|good|-90 dBm|52%|
|49|good|-91 dBm|51%|
|48|good|-92 dBm|50%|
|47|good|-93 dBm|49%|
|46|good|-94 dBm|48%|
|45|good|-95 dBm|47%|
|44|good|-96 dBm|46%|
|43|good|-97 dBm|45%|
|42|good|-98 dBm|44%|
|41|good|-99 dBm|43%|
|40|medium|-100 dBm|42%|stable connection possible,|
|39|medium|-101 dBm|41%|download rates may vary|
|38|medium|-102 dBm|40%|
|37|medium|-103 dBm|38%|
|36|medium|-104 dBm|37%|
|35|medium|-105 dBm|36%|
|34|medium|-106 dBm|35%|
|33|medium|-107 dBm|34%|
|32|medium|-108 dBm|33%|
|31|medium|-109 dBm|32%|
|30|weak|-110 dBm|31%|instable connection,|
|29|weak|-111 dBm|30%|interrupts may happen|
|28|weak|-112 dBm|29%|
|27|weak|-113 dBm|28%|
|26|weak|-114 dBm|27%|
|25|weak|-115 dBm|26%|
|24|weak|-116 dBm|25%|
|23|weak|-117 dBm|24%|
|22|weak|-118 dBm|23%|
|21|weak|-119 dBm|22%|
|20|weak|-120 dBm|21%|
|19|weak|-121 dBm|20%|
|18|weak|-122 dBm|18%|
|17|weak|-123 dBm|17%|
|16|weak|-124 dBm|16%|
|15|bad|-125 dBm|15%|no stable connection,|
|14|bad|-126 dBm|14%|interrupts possible|
|13|bad|-127 dBm|13%|
|12|bad|-128 dBm|12%|
|11|bad|-129 dBm|11%|
|10|bad|-130 dBm|10%|
|9|critical|-131 dBm|9%|no stable connection,|
|8|critical|-132 dBm|8%|interrupts are very likely|
|7|critical|-133 dBm|7%|
|6|critical|-134 dBm|6%|
|5|critical|-135 dBm|5%|
|4|critical|-136 dBm|4%|
|3|critical|-137 dBm|3%|
|2|unavailable|-138 dBm|2%|no connection possible|
|1|unavailable|-139 dBm|1%|
|0|unavailable|-140 dBm|0%|


===== 3G / UMTS =====
^ASU^Quality^RSCP^RSSI^Level^Comment^
|31|excellent|-70 dBm|-55 dBm|100%|perfect connection,|
|30|excellent|-72 dBm|-57 dBm|96%|maximum download rates|
|29|excellent|-74 dBm|-59 dBm|93%|
|28|excellent|-76 dBm|-61 dBm|90%|
|27|excellent|-78 dBm|-63 dBm|87%|
|26|excellent|-80 dBm|-65 dBm|83%|
|25|excellent|-82 dBm|-67 dBm|80%|
|24|good|-84 dBm|-69 dBm|77%|stable connection,|
|23|good|-86 dBm|-71 dBm|74%|maximum download rates possible|
|22|good|-88 dBm|-73 dBm|70%|
|21|good|-90 dBm|-75 dBm|67%|
|20|good|-92 dBm|-77 dBm|64%|
|19|good|-94 dBm|-79 dBm|61%|
|18|good|-96 dBm|-81 dBm|58%|
|17|good|-98 dBm|-83 dBm|54%|
|16|medium|-100 dBm|-85 dBm|51%|stable connection possible,|
|15|medium|-102 dBm|-87 dBm|48%|download rates may vary|
|14|medium|-104 dBm|-89 dBm|45%|
|13|medium|-106 dBm|-91 dBm|41%|
|12|medium|-108 dBm|-93 dBm|38%|
|11|weak|-110 dBm|-95 dBm|35%|instable connection,|
|10|weak|-112 dBm|-97 dBm|32%|interrupts may happen|
|9|weak|-114 dBm|-99 dBm|29%|
|8|weak|-116 dBm|-101 dBm|25%|
|7|weak|-118 dBm|-103 dBm|22%|
|6|bad|-120 dBm|-105 dBm|19%|no stable connection,|
|5|bad|-122 dBm|-107 dBm|16%|interrupts possible|
|4|bad|-124 dBm|-109 dBm|12%|
|3|critical|-126 dBm|-111 dBm|9%|no stable connection,|
|2|critical|-128 dBm|-113 dBm|6%|interrupts are very likely|
|1|unavailable|-130 dBm|-115 dBm|3%|no connection possible|
|0|unavailable|-132 dBm|-117 dBm|0%|


===== 2G / GSM =====

^ASU^Quality^RSSI^Level^Comment^
|31|excellent|-52 dBm|100%|perfect connection,|
|30|excellent|-54 dBm|96%|maximum download rates|
|29|excellent|-56 dBm|93%|
|28|excellent|-58 dBm|90%|
|27|excellent|-60 dBm|87%|
|26|good|-62 dBm|83%|stable connection,|
|25|good|-64 dBm|80%|maximum download rates possible|
|24|good|-66 dBm|77%|
|23|good|-68 dBm|74%|
|22|good|-70 dBm|70%|
|21|good|-72 dBm|67%|
|20|good|-74 dBm|64%|
|19|good|-76 dBm|61%|
|18|good|-78 dBm|58%|
|17|good|-80 dBm|54%|
|16|good|-82 dBm|51%|
|15|medium|-84 dBm|48%|stable connection possible,|
|14|medium|-86 dBm|45%|download rates may vary|
|13|medium|-88 dBm|41%|
|12|medium|-90 dBm|38%|
|11|medium|-92 dBm|35%|
|10|weak|-94 dBm|32%|instable connection,|
|9|weak|-96 dBm|29%|interrupts may happen|
|8|weak|-98 dBm|25%|
|7|weak|-100 dBm|22%|
|6|weak|-102 dBm|19%|
|5|bad|-104 dBm|16%|no stable connection,|
|4|bad|-106 dBm|12%|interrupts possible|
|3|bad|-108 dBm|9%|
|2|critical|-110 dBm|6%|no stable connection,|
|1|critical|-112 dBm|3%|interrupts are very likely|
|0|unavailable|-114 dBm|0%|no connection possible|


===== Links =====
  * [[http://www.lte-anbieter.info/technik/asu.php|Empfangspegel-Vergleichstabellen]]
  * [[http://www.lte-anbieter.info/pdf/antennen-eigenschaften-standort.pdf|Notwendige Antenneneigenschaften abhängig vom eigenen Standort]]