The Next Dimension in Survey Tools
Spectrum Frequency Chart
WCDMA 1900
3.84 MHz Chan / 200 kHz Freq Step / Chan Center Freq = Chan Number Divided by 5
Guard
CHAN 9650 9662
1932.4
BS FREQ
9715 9735
1943 1947
9740 9760
1948 1952
A
9835
1963 1967
B
D
FREQ 1930
1950
1945
GSM 900
9815
Guard
9865
1973
9840 9860
1968 1972
E
9885
1977
9938 9950
1987.6
C
F
1965
1970
1990
1975
EGSM: 200 kHz Chan / Chan Center Freq = 925 + (Chan Number - 974) x 0.2 MHz
GSM: 200 kHz Chan / Chan Center Freq = 935 + (Chan Number x 0.2)
Guard
Guard
CHAN 974 975
925.2
BS FREQ
1023 0 1
124
959.8
FREQ 925
125
QRC Survey Tools are Used for Reverse
Engineering & Mission Planning
960
Our Tools Cover CDMA, WCDMA,
GSM, & EVDO Protocols.
GSM
EGSM
934.8 935
QRC Specializes in Active & Passive
Survey Tools for Cellular Systems &
Mobile Forensics.
GSM 1800
LEGEND:
200 kHz Chan / Chan Center Freq = 1805 + (Chan Number - 511) x 0.2 MHz
Guard
CHAN 511 512
1805.2
BS FREQ
Guard
885
1879.8
Valid Center Channels
886
Valid Center Frequencies
GSM 1800
Copyright C 2010 QRC Technologies
CDMA 450
Base Station Frequencies (MHz)
Full Spectrum Block
420
FREQ 1805
425
430
435
440
445
450
455
460
WCDMA 2100
3.84 MHz Chan / 200 kHz Freq Step / Chan Center Freq = Chan Number Divided by 5
10562
2112.4
E
480
485
490
B
A
H
A'
10838
2167.6
495
F
G
FREQ 2110
2170
CHAN
BS FREQ
GSM 850
200 kHz Chan / Center Freq = 869 + (Chan Number -127) x 0.2 MHz
Guard
128
869.2
132 133
870 870.2
182 183
880 880.2
A''
FREQ 869
Guard
232 233
890 890.2
A
B
870.1
239 240
891.4 891.6
890.1
251 252
893.8
1013 1023 1
869.7 870 870.03
311
879.33
A''
FREQ 869.01
356
880.68
644
889.32
A
891.5
870.015
CHAN
BS FREQ
894
Guard
A'
880.005
889.995
717
426.125
D
FREQ 421.675
846
429.35
E
425.85
425.5
168
464.175
429.975
LEGEND:
464.8
462.0
A'
FREQ 462.5
Conditionally Valid
19 November 2010
1823
489.62
275
466.85
463.0
Note: Not to Scale
466.475
CHAN
BS FREQ
1985
492.86
467.475
1070
461.93
1229
465.11
489.0
FREQ 461.31
493.48
1442
469.37
1266
465.85
H
F
A
462.975
Full Spectrum Block
B
146
463.625
894
CDMA Center Frequencies
235
465.85
106
462.625
C
CHAN
BS FREQ
B'
891.495
26
460.625
FREQ 460.0
777 800
689
694 739
890.67 890.82 892.17 893.31
B
681
425.225
Valid CDMA Channels
A": 1.25 MHz Chan / 30 kHz Step/ Center Freq = 870 + (Chan Number -1023) x .03 MHz
A,B,A',B': 1.25 MHz Chan / 30 kHz Step/ Center Freq = 870 + (Chan Number x .03) MHz
Guard
564
422.3
B'
A'
880.1
CDMA 850
CHAN 990
BS FREQ
475
C
WCDMA 2100
CHAN 127
BS FREQ
470
Conditionally Valid
1880
D
CHAN
BS FREQ
465
G
465.73
465.23
469.99
GSM 1900
200 kHz Chan / Center Freq = 1930 + (Chan Number - 511) x 0.2 MHz
Guard
CHAN 511
BS FREQ
512
1930.2
585
1944.8
587
1945.2
A
FREQ 1930
610 612
1949.8 1950.2
D
1945
685 687
1964.8 1965.2
B
710 712
1969.8 1970.2
E
1950
Guard
1965
810 811
1989.8
735 737
1974.8 1975.2
F
1970
C
WCDMA 850
CDMA 1900
1.25 MHz Chan / 50 kHz Step / Center Freq = 1930 + (Chan Number x 0.05) MHz
Guard
CHAN
BS FREQ
0
25
275 325
375 425
1931.25 1943.75 1946.25 1948.75 1951.25
A
FREQ
1930
D
1945
675 725
775 825
875
1963.75 1966.25 1968.75 1971.25 1973.75
B
1950
Guard
E
1965
925
1175 1200
1976.25 1988.75
F
1970
3.84 MHz Chan / 200 kHz Freq Step / Chan Freq = Chan Number Divided by 5
Guard
1990
1975
CHAN
BS FREQ
869.2
4357
870 871.4
A''
FREQ 869
A
870.2
C
1975
4388 4412
877.6 882.4
4438
887.6
890.2
B
880.2
Guard
891.4
891.6
A'
890.2
893.8
B'
891.6
894
Specializing in Mobile Communication Information
1990
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