IS-136
E565181
IS-136 is a second-generation (2G) digital cellular standard for North American mobile networks that uses time-division multiplexing to support multiple voice channels on the same radio frequency.
All labels observed (3)
| Label | Occurrences |
|---|---|
| IS-136 canonical | 3 |
| IS-54 | 3 |
| IS-136 standard | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6042243 — 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: IS-136 Context triple: [Time Division Multiple Access, usedIn, IS-136]
-
A.
IS-1
IS-1 was a Soviet heavy tank prototype developed during World War II that led to the production IS series of heavy tanks.
-
B.
IS 289
IS 289 is a public middle school located in Manhattan’s Battery Park City neighborhood in New York City.
-
C.
Nims
Nims is a company operating under the Italian coffee brand Lavazza, likely involved in coffee-related products or services within its corporate group.
-
D.
ISD
ISD is the abbreviated name for the Intelligence and Security Division, a governmental body responsible for intelligence gathering and national security functions.
-
E.
National Incident Management Assistance Teams
The National Incident Management Assistance Teams are specialized federal teams that rapidly deploy to support state, local, tribal, and territorial authorities in coordinating and managing large-scale emergencies and disasters across the United States.
- 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: IS-136 Target entity description: IS-136 is a second-generation (2G) digital cellular standard for North American mobile networks that uses time-division multiplexing to support multiple voice channels on the same radio frequency.
-
A.
IS-1
IS-1 was a Soviet heavy tank prototype developed during World War II that led to the production IS series of heavy tanks.
-
B.
IS 289
IS 289 is a public middle school located in Manhattan’s Battery Park City neighborhood in New York City.
-
C.
Nims
Nims is a company operating under the Italian coffee brand Lavazza, likely involved in coffee-related products or services within its corporate group.
-
D.
ISD
ISD is the abbreviated name for the Intelligence and Security Division, a governmental body responsible for intelligence gathering and national security functions.
-
E.
National Incident Management Assistance Teams
The National Incident Management Assistance Teams are specialized federal teams that rapidly deploy to support state, local, tribal, and territorial authorities in coordinating and managing large-scale emergencies and disasters across the United States.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
2G standard
ⓘ
TDMA-based standard ⓘ mobile communication standard ⓘ |
| accessMethod | TDMA ⓘ |
| alsoKnownAs |
ANSI-136
ⓘ
D-AMPS ⓘ Digital AMPS ⓘ
linked to:
D-AMPS
|
| backwardCompatibleWith |
AMPS
ⓘ
IS-54 ⓘ
linked to:
IS-136
|
| basedOn | IS-54 ⓘ |
| channelBandwidth | 30 kHz ⓘ |
| compatibility | dual-mode AMPS/IS-136 handsets ⓘ |
| deploymentStatus | largely phased out ⓘ |
| developedBy | Telecommunications Industry Association ⓘ |
| era | 1990s ⓘ |
| fullName | Interim Standard 136 ⓘ |
| generation | 2G ⓘ |
| includesFeature |
digital control channel
ⓘ
enhanced mobile station identity ⓘ fraud protection mechanisms ⓘ improved handoff procedures ⓘ |
| modulation | π/4 DQPSK ⓘ |
| multipleAccessTechnique | time-division multiple access ⓘ |
| multiplexingMethod | time-division multiplexing ⓘ |
| networkType | digital cellular ⓘ |
| numberOfTimeSlotsPerCarrier | 3 ⓘ |
| operatesInBand |
1900 MHz PCS band
ⓘ
800 MHz cellular band ⓘ |
| predecessor |
IS-54
ⓘ
linked to:
IS-136
|
| primaryUseRegion |
Canada
ⓘ
United States ⓘ
linked to:
United States of America
|
| region | North America ⓘ |
| replacedBy |
CDMA-based systems
ⓘ
GSM ⓘ |
| standardizedBy | TIA ⓘ |
| standardNumberingAuthority | ANSI ⓘ |
| successor |
CDMA2000
ⓘ
GSM ⓘ IS-95 ⓘ UMTS ⓘ |
| supportsService |
SMS
ⓘ
call forwarding ⓘ call waiting ⓘ caller ID ⓘ circuit-switched data ⓘ three-way calling ⓘ voice ⓘ voicemail notification ⓘ |
| usedFor | mobile telephony ⓘ |
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: IS-136 Description of subject: IS-136 is a second-generation (2G) digital cellular standard for North American mobile networks that uses time-division multiplexing to support multiple voice channels on the same radio frequency.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: IS-136
linked to: IS-136
linked to: IS-136