fowlerrudi
join:2008-02-06
Fredericton, NB | reply to mountain top
Re: [Tech Ops] 900 mhz Floor Destroyed
Good point mountain top, I shall try this. Aren't narrow bandpass filters expensive? |
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dongato17
VIP
join:2000-07-28
Atlanta, GA
| Are both of these radios using 20MHz of spectrum? If possible, you can try to change to 2x 10MHz channels and also run on different polarizations. This would give you polarization isolation as well as adjacent channel filtering to separate the links and could be enough to get the job done.
-Hal |
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fowlerrudi
join:2008-02-06
Fredericton, NB | I've got to figure out how to change the channel spacing first, I am new to these radios. The polarization is different from the other radios. |
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viperm
Carpe Diem
Premium
join:2002-07-09
Winchester, CA
| It should be under the wireless tab in winbox under band it should show you 900 Mhz 5, 10, 15 20 mhz if the radios support it..
--
ComTrain Certified Tower Climber. American Tower Certified approved contractor. Wireless consultants. |
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fowlerrudi
join:2008-02-06
Fredericton, NB | Mine are showing as 2432mhz, etc. It downconverts to 900mhz I am told. |
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LLigetfa
join:2006-05-15
Fort Frances, ON
| reply to fowlerrudi
said by fowlerrudi  :Aren't narrow bandpass filters expensive? Yes they are. You could try for greater physical separation and maybe erect some shielding to reduce sidelobes.
--
Strange as it seems, no amount of learning can cure stupidity, and formal education positively fortifies it. -- Stephen Vizinczey |
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fowlerrudi
join:2008-02-06
Fredericton, NB | Physical separation won't help because when I sniff from 300 feet away from the tower (on the ground) with a subscriber unit, the noise is still there. |
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mtroup
Marty
Premium
join:2007-06-28
Hermitage, AR
edit:
July 5th, @02:01PM
| reply to fowlerrudi
Under the wireless tab look at "Band:" you should be able to select 2GHz-10MHz or 2GHz-5MHz |
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NZFxonet
join:2008-07-06
4814 | reply to fowlerrudi
What OS version are you running? I thought the newest versions displayed 900mhz correctly without the conversions.
Mike |
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