Texas Instruments Calypso-based phones

E898102

Texas Instruments Calypso-based phones are mobile handsets built around TI’s Calypso GSM chipset, commonly used in early 2G devices and favored by open-source baseband projects for experimentation and research.

All labels observed (3)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf GSM handset platform
mobile phone family
basedOn Texas Instruments Calypso chipset
commonVendors BenQ
linked to: BenQ-Siemens

Compal
Motorola
other OEM handset manufacturers
community Osmocom community
linked to: Osmocom project
communityUse open hardware-like experimentation on closed phones
designedFor 2G-era mobile networks
era early 2000s
mid 2000s
favoredBy open-source baseband projects
favoredFor experimentation
research
featureLevel entry-level mobile phones
feature phones without smartphone OS
hardwareCharacteristic JTAG support
accessible debug interfaces
separate baseband and application processor
serial UART interface
manufacturerOfChipset Texas Instruments
notableModelFamily Compal-based low-end GSM phones
Motorola C1xx series
notableProject OsmocomBB
powerManagement integrated power management IC from TI
radioTechnology GSM 1800
GSM 1900
GSM 900
reasonForPopularityInResearch availability of low-cost second-hand devices
relatively simple 2G-only architecture
well-documented Calypso chipset behavior by community
softwareCharacteristic proprietary baseband firmware
replaceable baseband firmware in some models
supportsNetwork 2G GSM
supportsStandard GSM
targetMarket emerging markets
low-cost GSM markets
typicalFormFactor candybar phone
feature phone
typicalOS proprietary RTOS on baseband
typicalUse SMS messaging
voice calls
usedFor GSM protocol experimentation
baseband reverse engineering
security research on cellular networks
usedIn OsmocomBB project
linked to: OsmocomBB
uses Texas Instruments Calypso GSM baseband

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

OsmocomBB supportsHardware Texas Instruments Calypso-based phones
Texas Instruments Calypso-based phones basedOn Texas Instruments Calypso chipset
linked to: Texas Instruments Calypso-based phones
Pirelli DP-L10 basebandChipset Texas Instruments Calypso family
linked to: Texas Instruments Calypso-based phones