D-AMPS

URI: https://gptkb.org/entity/D-AMPS

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:International_Standard
gptkbp:alsoKnownAs	gptkb:IS-136 gptkb:IS-54
gptkbp:basedOn	gptkb:AMPS
gptkbp:discontinued	2010s
gptkbp:frequency	1900 MHz 800 MHz
gptkbp:fullName	gptkb:Digital_Advanced_Mobile_Phone_System
gptkbp:generation	2G
gptkbp:introducedIn	1990
gptkbp:memoryBusWidth	30 kHz
gptkbp:modulatedBy	gptkb:π/4_DQPSK
gptkbp:numberOfUsersPerChannel	3
gptkbp:region	gptkb:North_America
gptkbp:replacedBy	gptkb:3G gptkb:GSM gptkb:CDMA
gptkbp:standardizedBy	gptkb:TIA
gptkbp:successor	gptkb:GSM gptkb:CDMA
gptkbp:supports	voice SMS
gptkbp:usedIn	gptkb:Canada gptkb:Latin_America gptkb:United_States
gptkbp:uses	gptkb:TDMA
gptkbp:bfsParent	gptkb:IS-136
gptkbp:bfsLayer	6
https://www.w3.org/2000/01/rdf-schema#label	D-AMPS