|
gptkbp:instance_of
|
gptkb:smartphone
|
|
gptkbp:accessories
|
car kits
|
|
gptkbp:battery_life
|
longer than digital phones
|
|
gptkbp:battery_type
|
Ni Cd or Ni MH
|
|
gptkbp:call
|
affected by interference
|
|
gptkbp:call_setup_time
|
longer than digital phones
|
|
gptkbp:character_voice
|
not available
|
|
gptkbp:charging_method
|
plug-in charger
|
|
gptkbp:charging_time
|
longer than modern phones
|
|
gptkbp:circuit_switching
|
used for calls
|
|
gptkbp:communication_system
|
not supported
|
|
gptkbp:cultural_impact
|
paved the way for mobile communication
|
|
gptkbp:data_transmission
|
limited
|
|
gptkbp:decline
|
late 1990s
|
|
gptkbp:demographics
|
business users
|
|
gptkbp:design
|
bulky
|
|
gptkbp:display_type
|
none or basic LED
|
|
gptkbp:emergency_frequency
|
dedicated channels available
|
|
gptkbp:emergency_services
|
supported
accessible through any network
|
|
gptkbp:end_of_life
|
2000s
|
|
gptkbp:features
|
basic calling functions
|
|
gptkbp:frequency
|
dependent on location
800 MHz to 900 MHz
|
|
gptkbp:global_presence
|
decreased significantly
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
analog mobile phones
|
|
gptkbp:introduced
|
gptkb:1980s
|
|
gptkbp:legacy
|
still in use in some areas
some networks still support
|
|
gptkbp:manufacturer
|
gptkb:Motorola
gptkb:Nokia
gptkb:Ericsson
|
|
gptkbp:market_launch
|
varied by region
|
|
gptkbp:market_position
|
significant in early mobile era
|
|
gptkbp:modulation
|
FM modulation
|
|
gptkbp:network
|
AMPS
limited to analog networks
|
|
gptkbp:orbit_type
|
external antenna
|
|
gptkbp:range
|
greater than digital phones
|
|
gptkbp:regulatory_compliance
|
FCC regulations
|
|
gptkbp:replaced_by
|
digital mobile phones
|
|
gptkbp:roaming
|
limited capabilities
|
|
gptkbp:security
|
less secure than digital phones
|
|
gptkbp:services
|
not available
|
|
gptkbp:size
|
larger than modern smartphones
|
|
gptkbp:sound
|
variable
|
|
gptkbp:technology
|
analog technology
|
|
gptkbp:type
|
first generation mobile phones
|
|
gptkbp:user_experience
|
simple and straightforward
|
|
gptkbp:user_interface
|
physical buttons
|
|
gptkbp:voice_clarity
|
varies by network
|
|
gptkbp:voice_compression
|
not used
|
|
gptkbp:voice_encoding
|
gptkb:none
|
|
gptkbp:weight
|
heavier than modern phones
|
|
gptkbp:bfsParent
|
gptkb:Nokia_1_G_Networks
|
|
gptkbp:bfsLayer
|
5
|