Digital Microwave Radio Frequency Allocations and Band Plans
Frequency Band Theory
Both FCC and ETSI radio standards define Transmit (Tx), and Receive (Rx) frequencies. The spacing between the Tx and Rx frequencies is known as the duplex frequency and may vary depending on the frequency range and the applicable standards.
Most frequency ranges are comprised of four frequency sub bands. A Codan Model 8800 Digital Microwave Radio that transmits on band 1 receives a signal transmitted in band 3 from the remote terminal. By the same token, a terminal that transmits in band 4 receives a signal transmitted in band 2.
Shown below is an example of the 15 GHz band with a 420 MHz Duplex Frequency.
ETSI – 7 GHz (Duplex Frequency = 154 MHz [1])
General
Radio: 7128 – 7268 MHz and 7282 – 7422 MHz
Standard: CEPT/ERC/REC 12-08E, ITU-R F.386-6, ETSI EN 301 216
Channel Frequencies
Channel Spacing (MHz)
BANDS 1 – 3
BANDS 2 - 4
ODU BAND 1
ODU BAND 3
ODU BAND 2
ODU BAND 4
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
7
7131.5
7208.5
7285.5
7362.5
7215.5
7264.5
7369.5
7418.5
14
7135
7205
7289
7359
7219
7261
7373
7415
28
7142
7198
7296
7352
7226
7254
7380
7408
ODU BAND 1
ODU BAND 3
Tx: 7128 – 7212
Tx: 7282 - 7366
Rx: 7282 – 7366
Rx: 7128 - 7212
ODU BAND 2
ODU BAND 4
Tx: 7212 - 7268
Tx: 7366 - 7422
Rx: 7366 - 7422
Rx: 7212 - 7268
ETSI – 7 GHz (Duplex Frequency = 154 MHz [2])
General
Radio: 7428 – 7568 MHz and 7582 – 7722 MHz
Standard: CEPT/ERC/REC 12-08E, ITU-R F.386-6, ETSI EN 301 216
Channel Frequencies
Channel Spacing (MHz)
BANDS 1 – 3
BANDS 2 - 4
ODU BAND 1
ODU BAND 3
ODU BAND 2
ODU BAND 4
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
7
7431.5
7508.5
7585.5
7662.5
7515.5
7564.5
7669.5
7718.5
14
7435
7505
7589
7659
7519
7561
7673
7715
28
7442
7498
7596
7652
7526
7554
7680
7708
ODU BAND 1
ODU BAND 3
Tx: 7428 - 7512
Tx: 7582 - 7666
Rx: 7582 - 7666
Rx: 7428 - 7512
ODU BAND 2
ODU BAND 4
Tx: 7512 - 7568
Tx: 7666 - 7722
Rx: 7666 - 7722
Rx: 7512 - 7568
ETSI – 7 GHz (Duplex Frequency = 245 MHz)
General
Radio: 7428 – 7652 MHz and 7673 – 7897 MHz
Standard: CEPT/ERC/REC 12-08E, ITU-R F.386-6, ETSI EN 301 216
Channel Frequencies
Channel Spacing (MHz)
BANDS 1 – 3
BANDS 2 - 4
ODU BAND 1
ODU BAND 3
ODU BAND 2
ODU BAND 4
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
7
7431.5
7536.5
7676.5
7781.5
7543.5
7648.5
7788.5
7893.5
14
7435
7533
7680
7778
7547
7645
7792
7890
28
7442
7526
7687
7771
7554
7638
7799
7883
ODU BAND 1
ODU BAND 3
Tx: 7428 - 7540
Tx: 7673 - 7785
Rx: 7673 - 7785
Rx: 7428 - 7540
ODU BAND 2
ODU BAND 4
Tx: 7540 - 7652
Tx: 7785 - 7897
Rx: 7785 - 7897
Rx: 7540 - 7652
ETSI – 7 GHz (Duplex Frequency = 161 MHz [1])
General
Radio: 7124.5 – 7264.5 MHz and 7285.5 – 7425.5 MHz
Standard: CEPT/ERC/REC 12-08E, ITU-R F.386-6, ETSI EN 301 216
Channel Frequencies
Channel Spacing (MHz)
BANDS 1 – 3
BANDS 2 - 4
ODU BAND 1
ODU BAND 3
ODU BAND 2
ODU BAND 4
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
7
7128
7205
7289
7366
7212
7261
7373
7422
14
7131.5
7201.5
7292.5
7362.5
7215.5
7257.5
7376.5
7418.5
28
7138.5
7194.5
7299.5
7355.5
7222.5
7250.5
7383.5
7411.5
ODU BAND 1
ODU BAND 3
Tx: 7124.5 - 7208.5
Tx: 7285.5 - 7369.5
Rx: 7285.5 - 7369.5
Rx: 7124.5 - 7208.5
ODU BAND 2
ODU BAND 4
Tx: 7208.5 - 7264.5
Tx: 7369.5 - 7425.5
Rx: 7369.5 - 7425.5
Rx 7208.5 - 7264.5
ETSI – 7 GHz (Duplex Frequency = 161 MHz [2])
General
Radio: 7249.5 – 7414 MHz and 7379 – 7554 MHz
Standard: CEPT/ERC/REC 12-08E, ITU-R F.386-6, ETSI EN 301 216
Channel Frequencies
Channel Spacing (MHz)
BANDS 1 – 3
ODU BAND 1
ODU BAND 3
First
Channel
Last
Channel
First
Channel
Last
Channel
7
7253
7386
7414
7547
14
7260
7372
7421
7533
28
7267
7379
7428
7540
ODU BAND 1
ODU BAND 3
Tx: 7249.5 - 7414
Tx: 7379 - 7554
Rx: 7379 - 7554
Rx: 7249.5 - 7414
ETSI – 7 GHz (Duplex Frequency = 161 MHz [3])
General
Radio: 7424.5 – 7564.5 MHz and 7585.5 – 7725.5 MHz
Standard: CEPT/ERC/REC 12-08E, ITU-R F.386-6, ETSI EN 301 216
Channel Frequencies
Channel Spacing (MHz)
BANDS 1 – 3
BANDS 2 - 4
ODU BAND 1
ODU BAND 3
ODU BAND 2
ODU BAND 4
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
7
7428
7505
7589
7666
7512
7561
7673
7722
14
7431.5
7501.5
7592.5
7662.5
7515.5
7557.5
7676.5
7718.5
28
7438.5
7494.5
7599.5
7655.5
7522.5
7550.5
7683.5
7711.5
ODU BAND 1
ODU BAND 3
Tx: 7424.5 - 7508.5
Tx: 7585.5 - 7669.5
Rx: 7585.5 - 7669.5
Rx: 7424.5 - 7508.5
ODU BAND 2
ODU BAND 4
Tx: 7508.5 - 7564.5
Tx: 7669.5 - 7725.5
Rx: 7669.5 - 7725.5
Rx: 7508.5 - 7564.5
ETSI – 8 GHz (Duplex Frequency = 311.32 MHz)
General
Radio: 7725 – 8971 MHz and 8036.25 – 8282.25 MHz
Standard: CEPT/ERC/REC 12-08E, ITU-R F.386-6, ETSI EN 301 216
Channel Frequencies
Channel Spacing (MHz)
BANDS 1 – 3
BANDS 2 - 4
ODU BAND 1
ODU BAND 3
ODU BAND 2
ODU BAND 4
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
7
7728.5
7848.5
8039.75
8159.75
7847.5
7967.5
8158.75
8278.75
14
7732
7845
8043.25
8156.25
7851
7964
8162.25
8275.25
28
7739
7838
8050.25
8149.25
7858
7957
8169.25
8268.25
ODU BAND 1
ODU BAND 3
Tx: 7725 - 7852
Tx: 8036.25 - 8163.25
Rx: 8036.25 - 8163.25
Rx: 7725 - 7852
ODU BAND 2
ODU BAND 4
Tx: 7844 - 7971
Tx: 8155.25 - 8282.25
Rx: 8155.25 - 8282.25
Rx: 7844 - 7971
ETSI – 8 GHz (Duplex Frequency = 126 MHz)
General
Radio: 8279 – 8370 MHz and 8405 – 8496 MHz
Standard: CEPT/ERC/REC 12-08E, ITU-R F.386-6, ETSI EN 301 216
Channel Frequencies
Channel Spacing (MHz)
BANDS 1 – 3
BANDS 2 - 4
ODU BAND 1
ODU BAND 3
ODU BAND 2
ODU BAND 4
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
7
8282.5
8324.5
8408.5
8450.5
8324.5
8366.5
8450.5
8492.5
14
8286
8321
8412
8447
8328
8363
8454
8489
28
8293
8314
8419
8440
8335
8356
8461
8482
ODU BAND 1
ODU BAND 3
Tx: 8279 - 8328
Tx: 8405 - 8454
Rx: 8405 - 8454
Rx: 8279 - 8328
ODU BAND 2
ODU BAND 4
Tx: 8321 - 8370
Tx: 8447 - 8496
Rx: 8447 - 8496
Rx: 8321 - 8370
ETSI – 8 GHz (Duplex Frequency = 119 MHz)
General
Radio: 8279 – 8337 MHz and 8398 – 8496 MHz
Standard: CEPT/ERC/REC 12-08E, ITU-R F.386-6, ETSI EN 301 216
Channel Frequencies
Channel Spacing (MHz)
BANDS 1 – 3
BANDS 2 - 4
ODU BAND 1
ODU BAND 3
ODU BAND 2
ODU BAND 4
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
First
Channel
Last
Channel
7
8282.5
8331.5
8401.5
8450.5
8324.5
8373.5
8443.5
8492.5
14
8286
8328
8405
8447
8328
8370
8447
8489
28
8293
8321
8412
8440
8335
8363
8454
8482
ODU BAND 1
ODU BAND 3
Tx: 8279 - 8335
Tx: 8398 - 8454
Rx: 8398 - 8454
Rx: 8279 - 8335
ODU BAND 2
ODU BAND 4
Tx: 8321 - 8377
Tx: 8440 - 8496
Rx: 8440 - 8496
Rx: 8321 - 8377
ETSI – 10.5 GHz (Duplex Frequency = 65 MHz [1])
This set of ODUs covers the lower half of the Australian 10.5 GHz frequency allocation (7 MHz channels 1-4 and 14 MHz channels 1-2).