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Old 02-16-2016, 02:02 PM   #29
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From the WeBoost website
4G-X - $480
Trucker Omni - $51
Yagi Directional - $72

Web prices might save some. And add cabling/connectors to your particular setup.
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Old 02-16-2016, 02:50 PM   #30
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Quote:
Originally Posted by Silvr_Lining View Post
AT&T and T-Mobile use GSM technology. Verizon and Sprint use CDMA.
These two technologies are incompatible. Also different carriers use different frequencies, which means that unless your antenna is tuned for that frequency, it may, or may not work.
Actually this is outdated. Verizon now uses GSM in 700, 1700 and 1900 bands for their LTE network, they phased out CDMA from phones in 2014.
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Old 02-16-2016, 05:47 PM   #31
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Yes

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Originally Posted by BoldAdventure View Post
YES.

Do any of the people who responded use one?



I am going to recommend you match the directional and omni to a WeBoost Drive 4G-X without that you are kind of wasting your money. I have to work on the road, every day. And we boondock/dry camp exclusively. We've been boondocking for the past 3 months nonstop and I've had to use the directional twice. It's a huge improvement when you can point it at the antenna on the tower.
I have a Yagi direction antenna and if tuned in correctly to a tower its much better then the omni. As an added bonus you dont get the feed back that you may experiance with the omni directional antenia as you need proper separation if using a booster.
Being a former cellular tech for 15 years I speak with some experience in these matters.
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Old 02-16-2016, 06:11 PM   #32
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How much do these cost and how do you tune them to a tower?
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Old 02-16-2016, 08:49 PM   #33
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How much do these cost and how do you tune them to a tower?
There are various YAGI's. You can get ones tuned for single band that are really good. Or you can get one like I have which is a wide band YAGI tuned for a variety of bands.

Mine is a Wilson, and is tuned for 700-2500mhz networks, which are used by most 2G, 3G, and 4G providers in the USA and Canada. Run about $75.99

Here is an example of a single band: http://3gstore.com/product/1676_wils...i-antenna.html

The reason I chose the wide band is that Verizon operates on a few low and high bands, and their new AWS is all in the 1900 spectrum I believe.
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Old 02-17-2016, 12:11 AM   #34
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Great info. Thanks everyone.
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Old 02-17-2016, 03:50 AM   #35
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As far as tuning to a specic tower first you need to know where your provider tower is in relationshop to your tie down location. I use an app for that on my cell phone. Then and this is where the wife comes in handy you or if your attached to you tv antenia you rough point the antenia towards the specific tower and watch the signal strength on your phone ,give it some moments to catch up to your movements as there will be some lag.
See the Wilson website as they are very helpfull and you can get a live tech to help you set up what you need for what your paticular application is.
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Old 02-17-2016, 06:06 AM   #36
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My question is this. If I have a Yagi directional antenna and an omni antenna, can I hook them up to the same amplifier with a splitter, or can I only use one at a time?
And assuming that I can only use one at a time, is there a suitable switch available?
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Old 02-17-2016, 07:37 AM   #37
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How did you run the cabling down into your Airstream. Is it just coax?

If you want to keep your antenna do you just run the cellular cabling down the fridge vent?

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Old 02-17-2016, 09:16 AM   #38
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Mike, thanks for the notes. I didn't occur to me to look into campendium. Sounds like there is indeed a benefit to the yagi in order to get better SNR which allows for higher bandwidths. I've been mostly looking to pull email and web pages in, where 250kbps and a little patience work OK.

When you write "Verizon now uses GSM in 700, 1700 and 1900 bands for their LTE network, they phased out CDMA from phones in 2014" I don't believe the last part is correct. When a verizon phone connects using 1xRTT or 3G it's still using CMDA.
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Old 02-17-2016, 09:30 AM   #39
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Silvr_Lining: you are correct that CDMA technology doesn't have a hard distance limitation like GSM because it uses different spreading codes to separate calls. What happens though is that as the tower gets busy the noise floor increases from all the calls and that causes what's apparently called "cell shrinkage", meaning that during busy times far away phones get dropped because they can't maintain communication due to the noise floor increase.

I could swear that I saw that each cdma tower also imposes a distance limit set by the provider, but now I can't find any reference to it, so maybe I was misguided and distance really is just a SNR issue...

Thorsten (N6TVE)
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Old 02-17-2016, 09:49 AM   #40
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Quick update about LTE. Various bits of technical info that I'm finding say that LTE allows for cell ranges ~100km. However, it appears that there is a limitation that depends on the "PRACH format" configured for a cell (has to do with the preamble length used when connecting to a cell) and depending on config this may limit a cell to ~14km, ~29km, ~77km, or ~100km. See http://lteuniversity.com/get_trained...le-format.aspx for one explanation.
I have no idea what various providers set this to...
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Old 02-17-2016, 10:22 AM   #41
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Quote:
Originally Posted by BoldAdventure View Post
]
The reason I chose the wide band is that Verizon operates on a few low and high bands, and their new AWS is all in the 1900 spectrum I believe.
We use T-Mobile. Would this set up work for us? T Mobile is the only carrier that works in my home location.
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Old 02-18-2016, 03:58 AM   #42
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Cabling

You use 50 ohm low loss cable and I don't see why you can't use both. Antennas switched with again a 50 ohm switch would work. Just remember every connection in the system will cost you about 1 db of signal strength. Like putting reducers in your water system restricts flow.

I like the idea of the antenna on the tv mast. Easy to rotate. But the higher up you can go the better off you would be. Maybe some kind of trailer tongue mast mount you can raise up with a crank and rotate. Hmmm may have to look into that.
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