Hardware: Difference between revisions
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Generally, each generation has a different set of frequency bands which they use, however these bands are not universal across the world with some conuntries usings one band and a different country using another. E.g. While a GSM/GPRS phone is always a GSM/GPRS phone, there are 4 different bands which are used across the world. | Generally, each generation has a different set of frequency bands which they use, however these bands are not universal across the world with some conuntries usings one band and a different country using another. E.g. While a GSM/GPRS phone is always a GSM/GPRS phone, there are 4 different bands which are used across the world. | ||
2.5G (GSM & GPRS): | ; 2.5G (GSM & GPRS): | ||
These days 2.5-generation modules are the entry point. They have GSM for voice & SMS and GPRS for data. There are different classes of device which dictate how the GSM & GPRS functionality inter-operate. For more information, try Wikipedia's [http://en.wikipedia.org/wiki/General_Packet_Radio_Service#The_GPRS_capability_classes GPRS classes]. | These days 2.5-generation modules are the entry point. They have GSM for voice & SMS and GPRS for data. There are different classes of device which dictate how the GSM & GPRS functionality inter-operate. For more information, try Wikipedia's [http://en.wikipedia.org/wiki/General_Packet_Radio_Service#The_GPRS_capability_classes GPRS classes]. | ||
Telit GE863 - A Class 10, Quad-band GSM/GPRS Module. Also features an integrated GPS module. Availability: [[Main_Page#GSM_Modules]] | Telit GE863 - A Class 10, Quad-band GSM/GPRS Module. Also features an integrated GPS module. Availability: [[Main_Page#GSM_Modules]] | ||
3G: | ; 3G: | ||
3.5G: | ; 3.5G: | ||
MC8775V - www.sierrawireless.com | MC8775V - www.sierrawireless.com | ||
Revision as of 02:40, 19 February 2007
This page lists various modules which could be used in a Homebrew Mobile Phone. NOTE: Some of these items may be hard to source in small quantities. See Suppliers for a list of goodies you can get hold of.
Cellular Wireless Modules
There are a _lot_ of different standards for cellular networks out there. They generally fall under 4 different "Generation". Wikipedia has some useful information about this: GSM Use the selector on the right-hand-side to view information about a particular generation.
Generally, each generation has a different set of frequency bands which they use, however these bands are not universal across the world with some conuntries usings one band and a different country using another. E.g. While a GSM/GPRS phone is always a GSM/GPRS phone, there are 4 different bands which are used across the world.
- 2.5G (GSM & GPRS)
These days 2.5-generation modules are the entry point. They have GSM for voice & SMS and GPRS for data. There are different classes of device which dictate how the GSM & GPRS functionality inter-operate. For more information, try Wikipedia's GPRS classes.
Telit GE863 - A Class 10, Quad-band GSM/GPRS Module. Also features an integrated GPS module. Availability: Main_Page#GSM_Modules
- 3G
- 3.5G
MC8775V - www.sierrawireless.com
