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Electromagnetic terms

RF (radio frequency)

GSMGlobal System for Mobile communications (cell phones) http://ccnga.uwaterloo.ca/~jscouria/GSM/gsmreport.html#1

PCS1900: USA derivative of GSM

ICNIRP International Commission for Non-Ionising Radiation Protection

NRPB: National Radiological Protection Board

ETSI:  European Telecommunication Standards Institute

all systems above 300 MHZ as microwaves. Tetra, without argument is a Microwave Communication System, not a Radio Wave System

EIRP (Equivalent Isotropic Radiated Power)

TETRA: TErrestrial Trunked RAdio

EM Radiation measurements:

1.Amount of energy emitted, expressed in watts per square meter (W/m2), or at lower levels, milliwatts per square centimeter (mW/cm2)

2. The amount of energy a body absorbs, expressed in watts per kilogram (W/kg), is know as the specific absorption rate, SAR.