MPE

FCC ID: S3CDB6MR20

RF Exposure Info

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FCCID_1069653

EUT: Dual Band Indoor Repeater FCC ID: S3CDB6MR20 Model: DB6MR20
Report Number: 0048-090112-01

Section 11. Maximum Permissible Exposure

MPE estimate is given per 2.1091 of FCC Rules:
Calculation Equation:

P +G
20
10
d = 0.282 ×
S

Where, P(DL)= 19.3 dBm, G=9 dBi (max. Indoor Server Antenna, GP(UL)= 20.8dBm, G=12 dBi
(Donor Antenna), and from §1.1310 Table 1 (B), S = 0.55 mW/cm2

Plug all three items into the equation, and yields,

Output Server Server MPE
Power Density Donor Donor MPE
Power Antenna Distance
MPE Limit Antenna Distance
(dBm) Gain (dBi) (cm)
(mW/ cm2) Gain (dBi) (cm)
DL/UL

0.55 19.3/20.8 9 12 10 16.6

NOTE:

For mobile or fixed location transmitters, the minimum separation distance is
20 cm, even if calculations indicate that the MPE distance would be less.

Page 193 of 208
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Document Created: 2009-02-11 21:39:18
Document Modified: 2009-02-11 21:39:18

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