Received Signal Level

RxLev represents the received signal level measured in dBm units. The range from -110 dBm to -48 dBm is mapped to codes from 0 to 63. The higher measured level, the higher code number. Values less than -110 dBm correspond to code 0 and values grater than -48 dBm correspond to code 63. These codes are periodically reported to serving cell.

RxLev mapping table

Code RxLev range in dBm Code RxLev range in dBm Code RxLev range in dBm
0 <-110 22 -89 to -88 44 -67 to -66
1 -110 to -109 23 -88 to -87 45 -66 to -65
2 -109 to -108 24 -87 to -86 46 -65 to -64
3 -108 to -107 25 -86 to -85 47 -64 to -63
4 -107 to -106 26 -85 to -84 48 -63 to -62
5 -106 to -105 27 -84 to -83 49 -62 to -61
6 -105 to -104 28 -83 to -82 50 -61 to -60
7 -104 to -103 29 -82 to -81 51 -60 to -59
8 -103 to -102 30 -81 to -80 52 -59 to -58
9 -102 to -101 31 -80 to -79 53 -58 to -57
10 -101 to -100 32 -79 to -78 54 -57 to -56
11 -100 to -99 33 -78 to -77 55 -56 to -55
12 -99 to -98 34 -77 to -76 56 -55 to -54
13 -98 to -97 35 -76 to -75 57 -54 to -53
14 -97 to -96 36 -75 to -74 58 -53 to -52
15 -96 to -95 37 -74 to -73 59 -52 to -51
16 -95 to -94 38 -73 to -72 60 -51 to -50
17 -94 to -93 39 -72 to -71 61 -50 to -49
18 -93 to -92 40 -71 to -70 62 -49 to -48
19 -92 to -91 41 -70 to -69 63 >-48
20 -91 to -90 42 -69 to -68
21 -90 to -89 43 -68 to -67

Source: ETSI