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Why is LTE band 7 (2600MHz) not available?

E3V3A

I have a nRF9160 DK and since I am in Germany, we are trying to use the most common LTE band they use here, which are:

Band 1,3,7,20

However, band 7 does not seem available from the AT band lock commands.

AFAIK, the embedded Ethretronics antenna is a Octaband antenna also supporting 2600 MHz, so what's going on  here?

http://datasheets.avx.com/ethertronics/AVX-E_P822601-P822602.pdf

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  • 0

    Hello,

     

    However, band 7 does not seem available from the AT band lock commands.

     This is because band 7 isn't supported by the modem yet, and as far as I know it isn't being certified in the near future either. I'm not aware of the concrete reasons why it isn't supported.

  • +1 in reply to Hakon

    Hi Hakan, 
    Yes, I see now that perhaps this may be a hardware limitation. (Is it realy?)
    Although I find it funny that it supports BT which operates at ~2400 MHz. 

    But the LTE bands are clear from here:
    https://en.wikipedia.org/wiki/LTE_frequency_bands

    Which if it is true that the SiP9160 cannot handle LTE above 2200 MHz according to the product sheet: 

    www.nordicsemi.com/.../nRF9160-SiP-product-brief.pdf

    www.nordicsemi.com/.../nRF9160-Certifications

    Then we will not be able to use the following bands:

    Bands above 2200 MHz:
    7,30,38,40-43,46-49,52,63,69

    Here's the list:

    1	FDD	2100	
2	FDD	1900	
3	FDD	1800	
4	FDD	1700	
5	FDD	850		
7	FDD	2600	
8	FDD	900		
11	FDD	1500	
12	FDD	700		
13	FDD	700		
14	FDD	700		
17	FDD	700		
18	FDD	850		
19	FDD	850		
20	FDD	800		
21	FDD	1500	
24	FDD	1600	
25	FDD	1900	
26	FDD	850		
28	FDD	700		
29	SDL 700		
30	FDD	2300	
31	FDD	450		
32	SDL	1500	
34	TDD	2000	
37	TDD	1900	
38	TDD	2600	
39	TDD	1900	
40	TDD	2300	
41	TDD	2500	
42	TDD	3500	
43	TDD	3700	
44	TDD	700		
46	TDD	5200	
47	TDD	5900	
48	TDD	3500	
49	TDD	3500	
50	TDD	1500	
51	TDD	1500	
52	TDD	3300	
53	TDD	2400	
65	FDD	2100	
66	FDD	1700	
67	SDL	700		
68	FDD	700		
69	SDL 2600	
70	FDD	1700	
71	FDD	600		
72	FDD	450		
73	FDD	450		
74	FDD	1500	
75	SDL 1500	
76	SDL 1500	
85	FDD	700		
87	FDD	450		
88	FDD	450

    Thanks for the answer!

Reply
  • +1 in reply to Hakon

    Hi Hakan, 
    Yes, I see now that perhaps this may be a hardware limitation. (Is it realy?)
    Although I find it funny that it supports BT which operates at ~2400 MHz. 

    But the LTE bands are clear from here:
    https://en.wikipedia.org/wiki/LTE_frequency_bands

    Which if it is true that the SiP9160 cannot handle LTE above 2200 MHz according to the product sheet: 

    www.nordicsemi.com/.../nRF9160-SiP-product-brief.pdf

    www.nordicsemi.com/.../nRF9160-Certifications

    Then we will not be able to use the following bands:

    Bands above 2200 MHz:
    7,30,38,40-43,46-49,52,63,69

    Here's the list:

    1	FDD	2100	
2	FDD	1900	
3	FDD	1800	
4	FDD	1700	
5	FDD	850		
7	FDD	2600	
8	FDD	900		
11	FDD	1500	
12	FDD	700		
13	FDD	700		
14	FDD	700		
17	FDD	700		
18	FDD	850		
19	FDD	850		
20	FDD	800		
21	FDD	1500	
24	FDD	1600	
25	FDD	1900	
26	FDD	850		
28	FDD	700		
29	SDL 700		
30	FDD	2300	
31	FDD	450		
32	SDL	1500	
34	TDD	2000	
37	TDD	1900	
38	TDD	2600	
39	TDD	1900	
40	TDD	2300	
41	TDD	2500	
42	TDD	3500	
43	TDD	3700	
44	TDD	700		
46	TDD	5200	
47	TDD	5900	
48	TDD	3500	
49	TDD	3500	
50	TDD	1500	
51	TDD	1500	
52	TDD	3300	
53	TDD	2400	
65	FDD	2100	
66	FDD	1700	
67	SDL	700		
68	FDD	700		
69	SDL 2600	
70	FDD	1700	
71	FDD	600		
72	FDD	450		
73	FDD	450		
74	FDD	1500	
75	SDL 1500	
76	SDL 1500	
85	FDD	700		
87	FDD	450		
88	FDD	450

    Thanks for the answer!

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