RF EXPOSURE

FCC ID: DNY020MPAD

RF Exposure Info

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FCCID_790637

Model: 020MPAD FCC ID: DNY020MPAD

General Information:

Applicant: EMS Technologies, Inc.
ACS Project: 07-0090
FCC ID: DNY020MPAD
Device Category: Fixed
Exposure Conditions: Uncontrolled/General Population

Technical Information:

UPLINK:
Antenna Type: Yagi
Antenna Gain Maximum: 15.1dBi
Max Transmitter Output Power: 25.12dBm
Max System EIRP: 40.22dBm / 10.52W
Operating Configuration: Fixed

DOWNLINK:
Antenna Type: Panel
Antenna Gain Maximum: 7.5dBi
Max Transmitter Output Power: 43.5dBm
Max System EIRP: 51dBm / 125W
Operating Configuration: Fixed

NOTE: Multiple antennas are available for both the uplink and downlink applications. Listed above are
antennas with the highest gain.

MPE Calculation

The Power Density (mW/cm2) is calculated as follows:
PG
S=
4πR 2
Where:
S = power density (in appropriate units, e.g. mW/cm2)
P = power input to the antenna (in appropriate units, e.g., mW)
G = power gain of the antenna in the direction of interest relative to an isotropic radiator
R = distance to the center of radiation of the antenna (appropriate units, e.g., cm)

Calculations were performed at the frequencies with the highest output power as determined during
testing.
Maximum Permissible Exposure (MPE)
General Population/Uncontrolled Exposure
Transmit Radio Power Radio Antenna Antenna Power
Distance
Frequency Power Density Limit Power Gain Gain Density Configuaration
(cm)
(MHz) (dBm) (mW/Cm2) (mW) (dBi) (mW eq.) (mW/cm^2)
1860 25.12 1.00 325.09 15.1 32.359 29 0.995 Uplink
1948.75 43.5 1.00 22387.21 7.5 5.623 101 0.982 Downlink

Installation Guidelines
End-users and installers must be provided with antenna installation instructions and transmitter operating
conditions for satisfying RF exposure compliance.

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598

Document Created: 2007-04-30 09:56:44
Document Modified: 2007-04-30 09:56:44

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