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FCC PART 15, SUBPART C, SEC. 15.247 - DIRECT SEQUENCE SPREAD SPECTRUM TRANSMITTERS
PCMCIA Wireless LAN Card, Model WL-211F
EIRP MEASUREMENTS – SUBSTITUTION METOD
§
Spectrum 99% BW: B = 15.2 MHz
§
Duty Cycle: X = 0 dB
§
Antenna Gain = 2.4 dBi
E-Field in
Frequency
1 MHz BW@ 3m
(MHz)
µ µ
(dB
V/m)
2412
102.28
2412
104.56
2437
99.15
2437
101.91
2462
99.34
2462
103.08
RF EXOSURE LIMIT
Transmitter
Frequency
Channel
(MHz)
Lowest
2412
Middle
2437
Highest
2462
Note:
(*) RF EXPOSURE DISTANCE LIMITS: r = (PG/4
6.7.5.2.
Test Configuration #2: Data Rate at 11 Mbps with CCK Modulation
EIRP MEASUREMENTS - CALCULATION METHOD
Duty Cycle X = Continuous.
Duty Cycle X = 10*log(duty cycle) = 0 dB
Transmitter
Frequency
Channel
(MHz)
Lowest
2412
Middle
2437
Highest
2462
ULTRATECH GROUP OF LABS
3000 Bristol Circle, Oakville, Ontario, Canada L6H 6G4
Tel. #: 905-829-1570, Fax. #: 905-829-8050, Email: vhk.ultratech@sympatico.ca, Website: http://www.ultratech-labs.com
•
Assessed by ITI (UK) Competent Body, NVLAP (USA) Accreditation Body & ACA/AUSTEL (Australia)
•
Accredited by Industry Canada (Canada) under ACC-LAB (Europe/Canada MRA)
•
Recognized/Listed by FCC (USA )
•
All test results contained in this engineering test report are traceable to National Institute of Standards and Technology (NIST)
Antenna
Power from Signal
Polarization
GEN. + Cable Loss S
(V/H)
(dBm)
V
-3.5
H
-2.8
V
-6.6
H
-5.3
V
-7.3
H
-3.7
(wideband)
AntennaGain G
Average EIRP
(dBi)
(dBm)
2.4
17.2
2.4
14.7
2.4
16.3
1/2
Π Π
S)
= (EIRP/4
Antenna Gain G
Peak Power P
(dBi)
@ Antenna Port
2.4
2.4
2.4
Substitution
Measured Total Peak EIRP
Antenna Gain G
= S+G+10*log(BW)
(dBi)
8.2
8.2
8.2
8.2
8.2
8.2
Power Desity Limit
2
(mW/cm
)
1.0
1.0
1.0
1/2
Π Π
S)
(wideband)
(wideband)
Calculated Peak EIRP
( P+G+X)
(dBm)
(dBm)
14.1
16.5
14.1
16.5
14.1
16.5
FCC ID: MXF-WL211F
Total Average EIRP =
Peak EIRP+X
(dBm)
(dBm)
16.5
16.5
17.2
17.2
13.4
13.4
14.7
14.7
12.7
12.7
16.3
16.3
(*)
Safety Distance Limit
(cm)
2.0
1.5
1.8
Limit
(dBm)
30
30
30
File #: GTT-013FTX
March 17, 2000
Page 20
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