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3G frequency bands

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AT&T - T-Mobile 3G frequency bands

T-Mobile uses a specific kind of frequency calls AWS and it's the 1700mhz band, if the phone just has 2100mhz it will not receive any kind of 3G signal whatsoever.

Also with AT&T there are some market's with only PCS 3G, and in many area's the 850mhz band is congested to they have surplus capacity on the 1900mhz band, so you may experience poor service quality if you are using a phone with only 850mhz 3G on AT&T, you may see dropped call's and no to slow internet or getting kicked back to GSM regularly.

Ideally for AT&T you need a phone with 1900/850mhz GSM and UMTS/HSPA 3G and for T-Mobile 1900/850mhz GSM and the 1700mhz band for 3G.

GSM and 3G Compatibility

  850 900 1800 1900 3G HSPA+
AT&T     850 MHz
1900 MHz
2100 MHz
T-Mobile       1900 MHz*
Outside U.S.     2100 MHz

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[Nov 03, 2013] HTC C110E Radar Unlocked Smartphone with Windows Phone OS 7.5, 5MP Camera, Touchscreen, Wi-Fi, GPS--No Warranty

Amazon.com

Armin

5.0 out of 5 stars Buyers be ware of UMTS/3G version before you order January 5, 2012

Not a review of the product, but while shopping for a family member I noticed a lot of these are European imports. Language- and feature-wise this does not matter, but the 3G frequency bands are different!

If you buy the Europe/Asia 900/2100 MHz HSDPA/UMTS version it will *NOT* have 3G/4G on AT&T and T Mobile USA.

For T Mobile USA you need one with the US 1700/2100 MHz HSDPA/UMTS band. Else the phone will still work, but only at much slower EDGE speeds and you will not be able to use voice and data in parallel.

And for AT&T? Well, so far I have not found any unlocked (or locked) version of the HTC Radar that uses AT&T's 3G/4G 1900MHz HSDPA/UMTS band. So AT&T users, you likely will *NOT* be able to use 3G/4G on this phone at all ...

So although this is strictly seen not a review, reading this will likely prevent a lot of returns.

On the phone itself, the family member likes the phone after using it for 2 weeks. Good weight, good quality of materials and not too big. Unless you want a bigger screen, I would recommend this phone if you are in the market for a Windows Phone. The Samsungs felt a bit cheaper in plastic feel compared to this one. The Nokia Lumia 800 has a better screen, but this one wins IMHO on overall quality, weight in the hand and feel.

[Nov 03, 2013] LG Optimus TrueHD LTE P936 Black Factory Unlocked Cell Phones & Accessories

Amazon.com

By Dr. Pep

1.0 out of 5 stars Erroneous technical data. Phone is not compatible with 3G/LTE for AT&T or T-Mobile in the US September 15, 2013

According to the LG web site, this phone's 3G is UMTS 900/2100 MHz only. AT&T operates in 1900 and 850 MHz bands, and T-mobile operates in 1700/2100 AWS bands.
This phone's LTE bands are 800/1800/2600MHz while AT&T LTE operates in the 700mhz band and T-mobile operates in the 1700 MHz band.

This phone is not compatible with either AT&T or T-Mobile in the US.



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