Multitech CDMA Guide de l'utilisateur Page 65

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Part 2 – Extended AT Commands Appendix B – Acronyms and Definitions
CDMA 1xEV-D0 AT Commands Reference Guide (Document S000482B) 65
Appendix C – Acronyms and
Definitions
Acronym or Term Definition
AGC Automatic Gain Control
Cellular 800MHz radio spectrum air interface
dB Decibel = 10 x log10 (P1/P2) (Power dB)
Decibel = 20 x log
10 (V1/V2) (Voltage dB)
dBm Decibels, relative to 1 mW - Decibel(mW) = 10 x log10
(Pwr (mW)/1mW)
FER Frame Error Rate – a measure of receive sensitivity
GPS Global Positioning System—a system that uses a series of 24
geosynchronous satellites to provide navigational data
IS-95 2G radio standards targeted for voice (cdmaONE)
MHz MegaHertz = 1e6 Hertz (Hertz = 1/second)
PCS Personal Communication System - PCS spans the 1.9GHz radio spectrum
PDE Position Determination Entity—the device that the mobile communicates
with for assistance in acquiring a GPS location fix
response A response from the modem that is issued prior to a result code
result code A numeric or text code that is returned after all commands (except resets)
RF Radio Frequency
Sensitivity (RF) Measure of lowest power signal that the receiver can measure
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