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WIRELESS FREQUENCY BANDS

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WIRELESS COMMUNICATIONS BANDS

Analog Cellular Telephones
Standard AMPS/NAMPS
Narrow Band Advanced
Mobile Phone System
TACS
Total Access
Communication System
NMT
Nordic Mobile
Telephone
Mobile Frequency
Range (MHz)
Rx: 869-894
Tx: 824-849
ETACS:
Rx: 916-949
Tx: 871-904
NTACS:
Rx: 860-870
Tx: 915-925
NMT-450:
Rx: 463-468
Tx: 453-458
NMT-900:
Rx: 935-960
Tx: 890-915
Multiple Access
Method
FDMA FDMA FDMA
Duplex Method FDD FDD FDD
Number of Channels AMPS: 832
NAMPS: 2496
ETACS: 1240
NTACS: 400
NMT-450: 200
NMT-900: 1999
Channel Spacing AMPS: 30 kHz
NAMPS: 10 kHz
ETACS: 25 kHz
NTACS: 12.5 kHz
NMT-450: 25 kHz
NMT-900: 12.5 kHz
Modulation FM FM FM
Channel Bit Rate n/a n/a n/a
 
Digital Cellular Telephones
Standard TDMA
IS-54/-136
Time Division Multiple Access
CDMA
IS-95
Code Division Multiple Access
GSM
Global System for Mobile Communication
DCS 1800/DCS 1900
Digital Communication System
PDC
Personal Digital Cellular
Mobile Frequency
Range (MHz)
Rx: 869-894
Tx: 824-849
Rx: 869-894
Tx: 824-849
Rx: 925-960
Tx: 880-915
Rx: 1805-1880
Tx: 1710-1785
Rx: 810-826
Tx: 940-956
Rx: 1429-1453
Tx: 1477-1501
Multiple Access
Method
TDMA/FDM CDMA/FDM TDMA/FDM TDMA/FDM TDMA/FDM
Duplex Method FDD FDD FDD FDD FDD
Number of Channels 832
(3 users/channel)
20
(798 users/channel)
124
(8 users/channel)
374
(8 users/channel)
1600
(3 users/channel)
Channel Spacing 30 kHz 1250 kHz 200 kHz 200 kHz 25 kHz
Modulation p/4 DQPSK QPSK/OQPSK GMSK
(0.3 Gaussian Filter)
GMSK
(0.3 Gaussian Filter)
p/4 DQPSK
Channel Bit Rate 48.6 kb/s 1.2288 Mb/s 270.833 kb/s 270.833 kb/s 42 kb/s
 
Analog Cordless Telephones
Standard CT0
Cordless Telephone 0
CT1/CT1+
Cordless Telephone 1
Mobile Frequency
Range (MHz)
2/48 (U.K.)
26/41 (France)
30/39 (Australia)
31/40 (The Netherlands/Spain)
46/49 (China, S. Korea, Taiwan, U.S.A.)
48/74 (China)
CT1: 914/960
CT1+: 885/932
Multiple Access
Method
FDMA FDMA
Duplex Method FDD FDD
Number of Channels 10, 12, 15, 20 or 25 CT1: 40
CT1+: 80
Channel Spacing 1.7, 20, 25 or 40 khZ 25 kHz
Modulation FM FM
Channel Bit Rate n/a n/a
Digital Cordless Telephones
Standard CT2/CT2+
Cordless Telephone 2
DECT
Digital Enhanced Cordless Telephone
PHS
Personal Handy Phone System
Mobile Frequency
Range (MHz)
CT2: 864/868
CT2+: 944/948
1880-1900 1895-1918
Multiple Access
Method
TDMA/FDM TDMA/FDM TDMA/FDM
Duplex Method TDD TDD TDD
Number of Channels 40 10
(12 users/chanel)
300
(4 users/channel)
Channel Spacing 100 kHz 1.728 MHz 300 kHz
Modulation GFSK
(0.5 Gaussian Filter)
GFSK
(0.5 Gaussian Filter)
p/4 DQPSK
Channel Bit Rate 72 kb/s 1.152 Mb/s 384 kb/s
 
Wireless Data
Standard CDPD
Cellular Digital
Packet Data (WAN)
Bluetooth IEEE 802.11b
Mobile Frequency
Range (MHz)
Rx: 869-894
Tx: 824-849
2400-2497
availability differs within
this range per country
(global frequency range
2471-2475 in all countries)
(North America/Europe)
2400-2483
(Japan)
2470-2499
Multiple Access
Method
FDMA Frequency hopping CSMA
Duplex Method FDD TDD TDD
Number of Channels 832 79 (or 23 in
Japan, Spain, France)
FHSS: 79
DSSS: 11
Channel Spacing 30 kHz 1 MHz HFSS: 1 MHz
DSSS: 11 MHz
Modulation GMSK
(0.5 Gaussian Filter)
GFSK
(0,5 Gaussian Filter)
HFSS: GFSK
(0.5 Gaussian Filter)
DSSS: DBPSK (1/MB/s)
DQPSK (2 MB/s)
Channel Bit Rate 19.2 kb/s 1 Mb/s symbol rate
721 kb/s raw data
56 kb/s return
1 or 2 MB/s
 
Personal Communication Systems
Standard High Tier Standards Low Tier Standards
Mobile Frequency
Range (MHz)
Rx: 1930-1990
Tx: 1850-1910
Rx: 1930-1990
Tx: 1850-1910
Multiple Access
Method
  • PCS TDMA
    (based on IS-136 cellular)

  • PCS CDMA
    (based on IS-95 cellular)

  • PCS 1900
    (based on GSM cellular)
    Wideband CDMA

  • PACS
    (based on PHS cordless)

  • DCT-U
    (based on DECT cordless)

  • Composite CDMA/TDMA

 

WIRELESS LAN (WLAN) SPECS

Network
Standard
IEEE 802.11b IEEE 802.11a ETSI BRAN
HiperLAN1
ESTI BRAN
HiperLAN2
Access
Method
CSMA/CA, SSMA CSMA/CA TDMA/EY-NPMA TDMA/TDD
Modulation CCK
(8 complex
chip spreading)
64 QAM-OFDM
16 QAM-OFDM
QPSK-OFDM
BPSK-OFDM
GMSK/FSK 64 QAM-OFDM
16 QAM-OFDM
QPSK-OFDM
BPSK-OFDM
Data Rate
(Mbits/s)
1, 2, 5.5 and 11 6, 9, 12, 18, 24,
36, 48 and 54
23 (HBR)
1.4 (LBR)
6, 9, 12, 18, 27,
36, 48 and 54
Frequency Band
(MHz)
2,400 to 2,483.5 5,150 to 5,250
5,250 to 5,350
5,725 to 5,825
5,150 to 5,300
limited in some
countries to
5,150 to 5,250
5 GHz bands
currently under
study
Channelization 25/30 MHz spacing
3 channels
20 MHz
channel spacing
23.5294 MHz (HBR)
3 channels in
100 MHz and
5 channels in
150 MHz
1.4 MHz (LBR)
20 MHz channel
spacing
4 channels in
100 MHz
Transmit
Power
1,000 mW EIRP
100 mW EIRP
10 mW/MHz EIRP
5,150 to 5,250
10 mW/MHz
200 mW EIRP in
20 MHz channel

5,250 to 5,350
1 W EIRP

5,725 to 5,825
4 W EIRP

Three different
classes of power
levels depending
on country
administration

1 W EIRP
100 mW EIRP
10 mW EIRP

Power limits
currently under
study