AT&T and T-Mobile are the two main providers (in the USA) who provide GSM service. Below are the main cellular bands they use.
AT&T:
GSM: 850 and 1900
3G: 850 and 1900
T-Mobile:
GSM 1900
3G: 1700 (AWS) and 2100MHz
GSM bands not supported in the USA, but active in other countries: 900 and 1800.
Internationally, you may need the 900 [...]
I refilled the Li-ion cells in my laptop battery about 18 months ago.The battery has worked as expected since then. The only "special" treatment this battery gets is that it travels in my laptop (as opposed to being the extra battery in my backpack) when traveling through TSA security checkpoints. (I figure it's better [...]
I purchased a north American version of the Motofone F3 (Manufactured in Brazil), which operates on the 850/1900 Mhz GSM bands (used almost exclusively in North America) for $34 including S/H from dakmart.com. After plugging my SIM card in the phone it reported that it was on the AT-T network. My original Motofone F3 from [...]
Thursday, November 8, 2007
I built a perl script that can be used as a "User Job" from within mythtv to convert a recorded TV program into a cell phone (.3gp) movie. It makes uses of mythname.pl to get the show and title (for the filename) and mplayer/mencoder and ffmpeg to do the actual transcoding.
Unless you want to drop [...]
Tuesday, November 6, 2007
I have one of the first Cingular branded v3xx phones that was released when they first hit the market. Although it came pre-stocked with shortcuts to Cingular stores, Cingular Music downloads, and had things like the IMAP email client disabled by default, it was still relatively easy to hack. I was able to use P2kCommander [...]
If you want a mobile phone to be able to download and install a java application (.jad/.jar file) from your website, you need to set up the correct MIME types for .jar and .jad files if they have not been set up by your webhost.
With apache, you can usually do this on a per-directory basis [...]
Tuesday, October 16, 2007
After getting ATT/Cingular to take the subsidy lock off my phone, I decided to flash it with the generic International Motorola firmware. The advantages:
The Motorola firmware is not "branded" and gets rid of all of the "Shop Cingular" links, menu items, etc.
The quadband firmware claims to support all 4 GSM bands (instead of the 3 [...]
Motofone F3 working with AT&T Voicemail
A reader has reported that he purchased a Motofone F3 from “Monster-Cellular-Store” on ebay that came with a Cingular branded pleather case and it is set up to work correctly with the AT&T voicemail indicator system. The one I purchased however is still not working, so it appears that some setting or configuration is needed [...]