AMPS
E744869
AMPS (Advanced Mobile Phone System) is an early analog mobile phone standard that was widely used in North America before the transition to digital cellular technologies.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
analog mobile phone standard
ⓘ
cellular network standard ⓘ |
| abbreviationOf | Advanced Mobile Phone System NERFINISHED ⓘ |
| authenticationMethod | analog MIN/ESN-based ⓘ |
| cellReuseConcept | frequency reuse ⓘ |
| channelBandwidth | 30 kHz ⓘ |
| channelType |
control channels
ⓘ
voice channels ⓘ |
| commercialLaunchYear | 1983 ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| developedBy |
AT&T
NERFINISHED
ⓘ
Bell Labs NERFINISHED ⓘ |
| downlinkFrequencyRange | 869–894 MHz ⓘ |
| duplexMode | FDD ⓘ |
| frequencyBand | 800 MHz band ⓘ |
| fullName | Advanced Mobile Phone System NERFINISHED ⓘ |
| handoffType | hard handoff ⓘ |
| historicalSignificance | first widely deployed cellular system in North America ⓘ |
| initialDeploymentCountry | United States NERFINISHED ⓘ |
| modulationType | FM ⓘ |
| multipleAccessScheme | FDMA ⓘ |
| networkType | cellular ⓘ |
| notableOperator |
AT&T Wireless
NERFINISHED
ⓘ
Verizon (predecessor companies) NERFINISHED ⓘ |
| primaryRegionOfUse |
Australia
NERFINISHED
ⓘ
New Zealand NERFINISHED ⓘ North America NERFINISHED ⓘ South America NERFINISHED ⓘ |
| replacedBy |
CDMA2000
NERFINISHED
ⓘ
GSM NERFINISHED ⓘ IS-136 NERFINISHED ⓘ IS-54 NERFINISHED ⓘ |
| securityLevel | low ⓘ |
| serviceType | mobile telephony ⓘ |
| standardDesignation | EIA/TIA-553 NERFINISHED ⓘ |
| standardizedIn | 1983 ⓘ |
| standardType | public telecommunications standard ⓘ |
| statusInUnitedStates | discontinued ⓘ |
| successorFamily | digital cellular standards ⓘ |
| supportsService |
analog data (limited)
ⓘ
voice ⓘ |
| technologyGeneration | 1G ⓘ |
| uplinkFrequencyRange | 824–849 MHz ⓘ |
| usesHandoff | yes ⓘ |
| usShutdownCompleted | 2008 ⓘ |
| vulnerability |
susceptible to cloning
ⓘ
susceptible to eavesdropping ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.