Specs Flashcards
CDMA
Code Division Multiple Access (3G can’t make voice calls and transit data at the same time).
GSM
Global System of Mobile Communication (3G voice and data at the same time).
EDGE
Enhanced Data rates for GSM Evolution
LTE
Long Term Evolution (Can download speeds up to 73 Mbps).
EV-DO
Stands for Evolution, Data-Only, a high-speed network protocol for CDMA phones.
UMTS
Universal Mobile Telecommunication System. Third-gen mobile technology for GSM.
HSPA/HSPA+
High Speed Packet Access. Data transmissions 7.2 Mbps/21 Mbps.
DC-HSDPA
Dual-Carrier High-Speed Downlink Packet Access. Advancements to HSPA (21 Mbps).
Spectrum: Frequencies
Wireless communication signals that travel over the air via radio frequencies
Wireless Spectrum
Provides voice, messaging, and data services to mobile devices. Uses specific frequencies within the spectrum to transmit data.
Spectrum: Propagation
The distance a wave travels from its source. Lower-freq. waves travel farther before they dispute.
Airport Express (2.4GHz and 5GHz)
One 10/100 Ethernet WAN port for connecting a DSL or cable modem. One 10/100 Ethernet LAN port for connecting computers or network devices. USB Port for printer. 3.5mm audio minijack for analog or optical digital sound.
ALS
Ambient Light Sensor. A light-sensitive electronic component used to adjust the brightness of an LCD display’s backlight so that the display remains comfortably readable.
EEPROM Reset Tool
Software tool to reset the Ambient Liggr Sensor (ALS) calibration.
iWork
Pages, Numbers, Keynote