Motorola C121
E908285
The Motorola C121 is a basic early-2000s GSM mobile phone handset known for its simplicity and compatibility with open-source baseband projects like OsmocomBB.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Motorola C121 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10983737 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Motorola C121 Context triple: [OsmocomBB, supportsHardware, Motorola C121]
-
A.
Motorola C115
The Motorola C115 is a basic, early-2000s GSM mobile phone known for its simplicity, durability, and suitability for low-level baseband experimentation.
-
B.
Motorola C116
The Motorola C116 is a basic, early-2000s GSM mobile phone known for its simplicity, durability, and suitability for low-level baseband experimentation.
-
C.
Motorola C118
The Motorola C118 is a basic, early-2000s GSM mobile phone known for its simplicity, durability, and suitability for low-level hardware and baseband experimentation.
-
D.
Motorola C139
The Motorola C139 is a basic, ultra-low-cost GSM mobile phone from the mid-2000s known for its simplicity, durability, and widespread use in emerging markets.
-
E.
Motorola C155
The Motorola C155 is a basic, early-2000s GSM mobile phone known for its compact candybar design and compatibility with open-source baseband projects like OsmocomBB.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Motorola C121 Target entity description: The Motorola C121 is a basic early-2000s GSM mobile phone handset known for its simplicity and compatibility with open-source baseband projects like OsmocomBB.
-
A.
Motorola C115
The Motorola C115 is a basic, early-2000s GSM mobile phone known for its simplicity, durability, and suitability for low-level baseband experimentation.
-
B.
Motorola C116
The Motorola C116 is a basic, early-2000s GSM mobile phone known for its simplicity, durability, and suitability for low-level baseband experimentation.
-
C.
Motorola C118
The Motorola C118 is a basic, early-2000s GSM mobile phone known for its simplicity, durability, and suitability for low-level hardware and baseband experimentation.
-
D.
Motorola C139
The Motorola C139 is a basic, ultra-low-cost GSM mobile phone from the mid-2000s known for its simplicity, durability, and widespread use in emerging markets.
-
E.
Motorola C155
The Motorola C155 is a basic, early-2000s GSM mobile phone known for its compact candybar design and compatibility with open-source baseband projects like OsmocomBB.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
GSM handset
ⓘ
mobile phone ⓘ |
| basebandChipsetFamily | TI Calypso ⓘ |
| batteryType | removable battery ⓘ |
| category | feature phone ⓘ |
| compatibleProject | OsmocomBB ⓘ |
| designGoal |
low cost
ⓘ
simplicity ⓘ |
| displayType | monochrome display ⓘ |
| formFactor | candybar phone ⓘ |
| generation | 2G phone ⓘ |
| hardwareButtons |
call and end keys
ⓘ
navigation keys ⓘ soft keys ⓘ |
| hasBluetooth | no ⓘ |
| hasCamera | no ⓘ |
| hasDisplay | yes ⓘ |
| hasExternalAntennaConnector | no ⓘ |
| hasInfraredPort | no ⓘ |
| hasMemoryCardSlot | no ⓘ |
| hasSpeakerphone | yes ⓘ |
| hasVibrationAlert | yes ⓘ |
| inputMethod | numeric keypad ⓘ |
| manufacturer | Motorola ⓘ |
| mobileNetworkTechnology | GSM ⓘ |
| notableFeature |
compatibility with OsmocomBB
ⓘ
robust hardware ⓘ very simple user interface ⓘ |
| operatingEnvironment | proprietary Motorola feature phone OS ⓘ |
| powerConnectorType | proprietary Motorola charger connector ⓘ |
| releasePeriod | early 2000s ⓘ |
| SIMType | mini-SIM ⓘ |
| supportedGSMBands |
GSM 1800
ⓘ
GSM 900 ⓘ |
| supportsAlarmClock | yes ⓘ |
| supportsCallLog | yes ⓘ |
| supportsCustomFirmware | via OsmocomBB on baseband ⓘ |
| supportsDataConnectivity | no packet data ⓘ |
| supportsGames | yes ⓘ |
| supportsMMS | no ⓘ |
| supportsPhonebook | yes ⓘ |
| supportsRILReplacement | yes via OsmocomBB ⓘ |
| supportsRingtones | polyphonic ringtones ⓘ |
| supportsSIMCard | yes ⓘ |
| supportsSMS | yes ⓘ |
| supportsT9 | yes ⓘ |
| supportsVoiceCalls | yes ⓘ |
| targetMarket | entry-level users ⓘ |
| usedIn |
GSM protocol experimentation
ⓘ
open-source baseband research ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Motorola C121 Description of subject: The Motorola C121 is a basic early-2000s GSM mobile phone handset known for its simplicity and compatibility with open-source baseband projects like OsmocomBB.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.