1258:
519:
carriers are in the L band, centered at 1176.45 MHz (L5), 1227.60 MHz (L2), 1381.05 MHz (L3), and 1575.42 MHz (L1) frequencies. L band waves are used for GPS units because they are able to penetrate clouds, fog, rain, storms, and vegetation. Only dense environments such as heavy
482:(CEPT) has harmonized part of the L band (1452–1492 MHz), allowing individual countries to adopt this spectrum for terrestrial mobile/fixed communications networks supplemental downlink (MFCN SDL). By means of carrier aggregation, an
598:(ADS-B) equipment at 1090 MHz to communicate position information to the ground as well as between them for traffic information and avoidance. The 1090 MHz frequency (paired with 1030 MHz) is also used by
765:
479:
729:, 1420 MHz), which is of great astronomical interest as a means of imaging the normally invisible neutral atomic hydrogen in interstellar space. The band also contains
1203:
438:
490:
base station could use this spectrum to provide additional bandwidth for communications from the base station to the mobile device; i.e., in the downlink direction.
606:
MHz paired frequencies. ADS-B information can also be broadcast on the L band frequency of 978 MHz. DME and TACAN systems are also in this frequency band.
420:
1716:
2018:
1768:
595:
551:
satellite phones use frequencies between 1616 and 1626.5 MHz to communicate with the satellites. Iridium
Communications 2-way messaging service
952:
2057:
1196:
2028:
813:
615:
754:
891:
2253:
2077:
1167:
535:
systems use the L band similar to GPS, although the frequency ranges are named differently. Modern receivers, such as those found in
1189:
413:
1709:
647:
2293:
2190:
494:
2038:
1965:
945:
599:
406:
2263:
1702:
1304:
1023:
2236:
2205:
1950:
1860:
1299:
667:
651:
498:
524:
516:
2288:
1599:
1212:
1008:
602:
transponders, which ADS-B augments when operated at this frequency. The TCAS system also utilizes the 1030/1090
350:
173:
2215:
2114:
2067:
1975:
1649:
978:
938:
539:, are able to take advantage of multiple systems (usually only around the oldest L1 band) at the same time.
119:
31:
2109:
2023:
1865:
548:
2210:
2033:
2013:
1838:
1778:
1763:
1758:
1609:
1604:
1143:
993:
842:
552:
510:
456:
294:
168:
163:
86:
879:
737:
allocations worldwide. Specifically, the 1400–1427 MHz and 1660.6–1670.0 MHz regions are protected.
493:
In the
Americas, mobile services are operated between the 1.7 GHz to 2.1 GHz range in the
1945:
1816:
1644:
1639:
1614:
1594:
1345:
1128:
1053:
1038:
289:
178:
156:
129:
124:
2082:
1634:
1482:
1455:
1365:
1350:
1068:
663:
627:
134:
769:
2195:
2072:
1490:
1486:
1467:
1463:
1459:
809:
623:
2231:
2175:
1989:
1800:
1725:
1624:
1395:
1370:
1238:
1098:
860:
850:
801:
730:
189:
146:
1257:
2200:
2170:
1806:
1673:
1586:
1428:
1360:
734:
684:
560:
108:
582:
cyclically broadcasts weather data from its two geosynchronous satellites on 1694.1 MHz.
1694:
846:
733:
transition lines at 1665 and 1667 MHz. Consequently, parts of the L band are protected
520:
forest canopies or concrete buildings can cause GPS units to receive data inaccurately.
30:
This article is about the IEEE-defined range of the radio spectrum. For other uses, see
1810:
1619:
1403:
1113:
961:
472:
447:
284:
274:
151:
101:
2282:
2185:
1910:
1790:
1729:
1629:
1566:
1547:
1451:
1385:
1380:
1375:
1083:
793:
726:
659:
643:
619:
327:
309:
264:
259:
254:
249:
244:
239:
234:
229:
224:
219:
214:
209:
204:
199:
141:
80:
2257:
1732:
1505:
1171:
564:
483:
2180:
2005:
1796:
1678:
1355:
1337:
1233:
805:
2062:
2048:
1750:
1659:
1327:
1322:
1276:
1253:
681:
626:
up-links are allowed in the range 1,260–1,270 MHz. This is known as the
536:
2154:
2149:
2144:
2134:
2125:
1984:
1668:
1515:
1291:
1269:
1248:
1223:
655:
460:
452:
442:
1181:
916:
1875:
1828:
1786:
1683:
1500:
1478:
1473:
1443:
1243:
865:
671:
556:
378:
1915:
1870:
1824:
1552:
1538:
930:
855:
830:
568:
528:
393:
383:
373:
332:
319:
917:"RA.314:Preferred frequency bands for radio astronomical measurements"
17:
2139:
1955:
1929:
1883:
1820:
1571:
1561:
1533:
1528:
1523:
1494:
1423:
703:
699:
532:
388:
368:
345:
340:
314:
304:
725:
The band contains the hyperfine transition of neutral hydrogen (the
480:
European
Conference of Postal and Telecommunications Administrations
1960:
1855:
1747:
1418:
1314:
1228:
831:"Investigation on Reference Frames and Time Systems in Multi-GNSS"
714:
695:
674:, but was historically also allowed to be carried in the 1452–1492
631:
487:
64:
880:
http://www.fcc.gov/Bureaus/International/Orders/1995/da950131.txt
571:
satellite phones use frequencies between 1525 and 1661 MHz.
1413:
1408:
579:
478:
In Europe, the
Electronic Communications Committee (ECC) of the
2095:
1698:
1185:
934:
1433:
567:) terminals use frequencies between 1525 and 1646.5 MHz.
1256:
622:
operations in the frequency range 1,240–1,300 MHz, and
547:
Mobile phones operate at 600–900 and 1700–2100 MHz.
687:
used to broadcast in the 1467–1492 MHz L sub-band.
829:
Nicolini, Luca; Caporali, Alessandro (9 January 2018).
2224:
2163:
2123:
2102:
2047:
2004:
1974:
1938:
1903:
1896:
1848:
1777:
1746:
1739:
1658:
1585:
1514:
1442:
1394:
1336:
1313:
1290:
71:
56:
44:
439:Institute of Electrical and Electronics Engineers
555:will utilize frequencies in the L Band as well.
798:Applied GPS for Engineers and Project Managers
1710:
1197:
946:
414:
8:
37:
2092:
1900:
1743:
1717:
1703:
1695:
1273:
1204:
1190:
1182:
971:
953:
939:
931:
596:Automatic dependent surveillance-broadcast
421:
407:
97:
36:
864:
854:
590:The aircraft L-band ranges from 960–1215
746:
630:by radio amateurs and as the L-band by
359:
273:
188:
107:
100:
27:Range of radio frequencies from 1-2 GHz
755:"Harmonised use of the band 1452–1492
616:International Telecommunication Union
455:(GHz). This is at the top end of the
190:EU / NATO / US ECM
7:
459:(UHF) band, at the lower end of the
441:(IEEE) designation for the range of
25:
896:Federal Communications Commission
2251:
1165:
768:ECC. 2015-07-03. Archived from
710:Digital multimedia broadcasting
670:(DAB) in Europe primarily uses
2191:Error detection and correction
1:
678:MHz range in some countries.
614:The Radio Regulations of the
650:, the L band is held by the
2264:Comparison of radio systems
1305:Ultra-high-energy gamma ray
892:"Radio Spectrum Allocation"
717:can operate in the L band.
706:can operate in the L band.
2310:
2237:International broadcasting
2206:FM extended band in Brazil
1300:Very-high-energy gamma ray
806:10.1061/9780784411506.ap02
691:Digital video broadcasting
668:Digital Audio Broadcasting
638:Digital audio broadcasting
508:
29:
2245:
2091:
1219:
1161:
969:
525:Galileo Navigation System
517:Global Positioning System
1213:Electromagnetic spectrum
2216:Shortwave relay station
2115:Audio signal processing
32:L band (disambiguation)
2294:Satellite broadcasting
2110:Audio data compression
1261:
594:MHz. Aircraft can use
549:Iridium Communications
543:Telecommunications use
2211:Multipath propagation
2034:MPEG-1 Audio Layer II
1904:Frequency allocations
1779:Frequency allocations
1260:
586:Aircraft surveillance
2164:Technical (emission)
648:overseas territories
553:Snapdragon Satellite
511:Satellite navigation
505:Satellite navigation
457:ultra high frequency
1346:Extreme ultraviolet
847:2018RemS...10...80N
41:
1351:Vacuum ultraviolet
1262:
856:10.3390/rs10010080
666:(IBOC) solutions.
664:in-band on-channel
658:, thereby forcing
628:23-centimeter band
360:Other TV and radio
2276:
2275:
2272:
2271:
2196:FM broadcast band
2103:Technical (audio)
2000:
1999:
1892:
1891:
1692:
1691:
1396:Visible (optical)
1179:
1178:
1156:
1155:
815:978-0-7844-1150-6
794:Ogaja, Clement A.
759:MHz for MFCN SDL"
624:amateur satellite
431:
430:
184:
183:
96:
95:
16:(Redirected from
2301:
2258:Radio portal
2256:
2255:
2254:
2232:History of radio
2176:AM expanded band
2093:
1976:Commercial radio
1901:
1744:
1719:
1712:
1705:
1696:
1283:
1281:
1274:
1267:
1206:
1199:
1192:
1183:
1172:Radio portal
1170:
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751:
731:hydroxyl radical
677:
605:
593:
531:System, and the
423:
416:
409:
116:
115:
98:
67:
58:Wavelength range
52:
42:
40:
21:
2309:
2308:
2304:
2303:
2302:
2300:
2299:
2298:
2289:Microwave bands
2279:
2278:
2277:
2268:
2252:
2250:
2241:
2220:
2201:FM broadcasting
2171:AM broadcasting
2159:
2119:
2098:
2087:
2043:
1996:
1970:
1939:Digital systems
1934:
1919:
1888:
1849:Digital systems
1844:
1773:
1735:
1723:
1693:
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1581:
1556:
1542:
1510:
1438:
1390:
1332:
1309:
1286:
1279:
1272:
1265:
1263:
1215:
1210:
1180:
1175:
1166:
1164:
1157:
1152:
1149:
1148:300 MHz/1 m
1147:
1137:
1134:
1132:
1122:
1119:
1117:
1107:
1104:
1103:300 kHz/1 km
1102:
1092:
1089:
1087:
1077:
1074:
1072:
1062:
1059:
1058:300 Hz/1 Mm
1057:
1047:
1044:
1042:
1032:
1029:
1028:300 GHz/1 mm
1027:
1017:
1014:
1012:
1002:
999:
997:
987:
984:
982:
965:
959:
929:
928:
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914:
910:
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823:
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792:
791:
787:
778:
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772:
761:
756:
753:
752:
748:
743:
735:radio astronomy
723:
712:
693:
685:satellite radio
675:
640:
612:
603:
591:
588:
577:
561:Ligado Networks
545:
513:
507:
476:
469:
427:
398:
355:
336:
323:
269:
92:
74:
62:
59:
50:
47:
46:Frequency range
38:
35:
28:
23:
22:
15:
12:
11:
5:
2307:
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2183:
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2165:
2161:
2160:
2158:
2157:
2152:
2150:Kahn-Hazeltine
2147:
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2137:
2131:
2129:
2121:
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2118:
2117:
2112:
2106:
2104:
2100:
2099:
2097:Related topics
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2060:
2054:
2052:
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2016:
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1194:
1186:
1177:
1176:
1162:
1159:
1158:
1154:
1153:
1140:
1138:
1133:30 MHz/10 m
1125:
1123:
1110:
1108:
1095:
1093:
1088:30 kHz/10 km
1080:
1078:
1065:
1063:
1050:
1048:
1043:30 Hz/10 Mm
1035:
1033:
1020:
1018:
1013:30 GHz/10 mm
1005:
1003:
990:
988:
975:
970:
967:
966:
962:Radio spectrum
960:
958:
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950:
943:
935:
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908:
883:
872:
835:Remote Sensing
821:
814:
800:. ASCE Press.
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509:Main article:
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473:Mobile service
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448:radio spectrum
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2187:
2186:Digital radio
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1730:digital audio
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1207:
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1200:
1195:
1193:
1188:
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1174:
1173:
1160:
1151:
1150:3 GHz/100 mm
1146:
1145:
1139:
1136:
1131:
1130:
1124:
1121:
1118:3 MHz/100 m
1116:
1115:
1109:
1106:
1101:
1100:
1094:
1091:
1090:300 kHz/1 km
1086:
1085:
1079:
1076:
1075:30 kHz/10 km
1073:3 kHz/100 km
1071:
1070:
1064:
1061:
1060:3 kHz/100 km
1056:
1055:
1049:
1046:
1041:
1040:
1034:
1031:
1030:3 THz/0.1 mm
1026:
1025:
1019:
1016:
1015:300 GHz/1 mm
1011:
1010:
1004:
1001:
1000:30 GHz/10 mm
998:3 GHz/100 mm
996:
995:
989:
986:
983:3 Hz/100 Mm
981:
980:
974:
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968:
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866:11577/3269537
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786:
775:on 2015-07-21
771:
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728:
727:hydrogen line
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709:
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679:
673:
669:
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661:
660:digital radio
657:
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644:United States
637:
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629:
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621:
620:amateur radio
617:
610:Amateur radio
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79:
78:
76:
73:Related bands
70:
66:
61:
55:
49:
43:
33:
19:
2249:
1924:
1834:
1733:broadcasting
1576:
1264:
1163:
1142:
1141:
1135:300 MHz/1 m
1127:
1126:
1120:30 MHz/10 m
1112:
1111:
1105:3 MHz/100 m
1097:
1096:
1082:
1081:
1067:
1066:
1052:
1051:
1045:300 Hz/1 Mm
1037:
1036:
1022:
1021:
1007:
1006:
992:
991:
985:30 Hz/10 Mm
977:
976:
920:
911:
900:. Retrieved
898:. 2011-03-02
895:
886:
875:
838:
834:
824:
797:
788:
777:. Retrieved
770:the original
749:
724:
713:
694:
680:
641:
613:
589:
578:
565:LightSquared
546:
522:
514:
492:
484:LTE-Advanced
477:
467:Applications
451:from 1 to 2
446:
434:
432:
299:
2181:Cable radio
2124:Technical (
1884:DVB-T2 Lite
1740:Terrestrial
1679:Medium wave
1356:Lyman-alpha
1338:Ultraviolet
1277:wavelengths
1270:frequencies
1234:Ultraviolet
921:www.itu.int
537:smartphones
443:frequencies
102:Radio bands
39:IEEE L band
2283:Categories
2063:DirectBand
2049:Subcarrier
1751:modulation
1660:Wavelength
1516:Microwaves
1328:Hard X-ray
1323:Soft X-ray
1292:Gamma rays
1224:Gamma rays
902:2023-02-09
779:2015-07-17
741:References
682:WorldSpace
563:(formerly
2126:AM stereo
1985:Sirius XM
1978:providers
1897:Satellite
1674:Shortwave
1669:Microwave
1249:Microwave
841:(2): 80.
721:Astronomy
656:telemetry
461:microwave
453:gigahertz
51:1 – 2 GHz
2225:Cultural
2155:Magnavox
2128:formats)
2078:SCA/SCMO
2073:RDS/RBDS
1876:HD Radio
1866:DRM/DRM+
1861:DAB/DAB+
1684:Longwave
1444:Infrared
1244:Infrared
796:(2011).
672:Band III
652:military
557:Inmarsat
486:or UMTS/
179:12 (THF)
174:11 (EHF)
169:10 (SHF)
63:30 – 15
2051:signals
2019:AMR-WB+
1871:FMeXtra
1275:longer
1268:higher
1239:Visible
843:Bibcode
642:In the
569:Thuraya
529:GLONASS
501:bands.
463:range.
445:in the
437:is the
164:9 (UHF)
157:8 (VHF)
135:4 (VLF)
130:3 (ULF)
125:2 (SLF)
120:1 (ELF)
2145:Harris
2140:C-QUAM
2029:HE-AAC
2006:Codecs
1990:Canada
1956:DVB-SH
1930:S band
1925:L band
1911:C band
1835:L band
1726:Analog
1577:L band
1572:S band
1567:C band
1562:X band
1548:K band
1534:Q band
1529:V band
1524:W band
1429:Orange
1424:Yellow
1404:Violet
1315:X-rays
1229:X-rays
812:
757:
704:DVB-T2
702:, and
700:DVB-SH
676:
618:allow
604:
600:Mode S
592:
533:BeiDou
527:, the
435:L band
152:7 (HF)
147:6 (MF)
142:5 (LF)
83:(NATO)
18:L-Band
2135:Belar
1961:S-DMB
1951:DAB-S
1856:CAM-D
1769:COFDM
1748:Radio
1662:types
1587:Radio
1483:Bands
1456:Bands
1419:Green
1254:Radio
964:(ITU)
773:(PDF)
762:(PDF)
715:T-DMB
696:DVB-H
632:AMSAT
488:HSDPA
275:IEEE
89:(ITU)
2083:DARC
2058:AMSS
2039:DRA+
1920:band
1829:high
1728:and
1557:band
1543:band
1501:LWIR
1479:MWIR
1474:SWIR
1414:Cyan
1409:Blue
810:ISBN
766:CEPT
654:for
646:and
580:NOAA
575:NOAA
559:and
523:The
515:The
497:and
433:The
109:ITU
2068:PAD
2024:HDC
2014:AAC
1966:SDR
1946:ADR
1880:CDR
1839:UHF
1825:mid
1821:low
1817:VHF
1650:ELF
1645:SLF
1640:ULF
1635:VLF
1615:VHF
1610:UHF
1605:SHF
1600:EHF
1595:THF
1506:FIR
1452:NIR
1434:Red
1386:UVA
1381:UVB
1376:UVC
1371:NUV
1366:MUV
1361:FUV
1144:UHF
1129:VHF
1069:VLF
1054:ULF
1039:SLF
1024:THF
1009:EHF
994:SHF
979:ELF
861:hdl
851:doi
802:doi
662:to
499:AWS
495:PCS
379:III
295:UHF
290:VHF
87:UHF
2285::
1827:/
1823:/
1811:HF
1807:SW
1801:MF
1797:MW
1791:LF
1787:LW
1764:FM
1759:AM
1630:LF
1625:MF
1620:HF
1493:,
1489:,
1485::
1466:,
1462:,
1458::
1114:HF
1099:MF
1084:LF
919:.
894:.
859:.
849:.
839:10
837:.
833:.
808:.
764:.
698:,
634:.
394:VI
384:IV
374:II
351:mm
285:HF
65:cm
1918:u
1916:K
1841:)
1837:(
1831:)
1819:(
1813:)
1809:(
1803:)
1799:(
1793:)
1789:(
1718:e
1711:t
1704:v
1555:u
1553:K
1541:a
1539:K
1497:)
1495:N
1491:M
1487:L
1481:(
1470:)
1468:H
1464:K
1460:J
1454:(
1280:→
1266:←
1205:e
1198:t
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954:e
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940:v
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869:.
863::
853::
845::
818:.
804::
782:.
422:e
415:t
408:v
389:V
369:I
346:W
341:V
335:a
333:K
328:K
322:u
320:K
315:X
310:C
305:S
300:L
265:N
260:M
255:L
250:K
245:J
240:I
235:H
230:G
225:F
220:E
215:D
210:C
205:B
200:A
81:D
34:.
20:)
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