Zoom Telephonics WLANPCCARD1 User Manual Updated RF evaluation and updated installation manual

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Document ID	66520
Application ID	1dU0KSrBjobc6ljSmyOE3Q==
Document Description	Updated RF evaluation and updated installation manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	174.61kB (2182643 bits)
Date Submitted	1999-10-26 00:00:00
Date Available	2000-01-12 00:00:00
Creation Date	2001-05-21 13:07:54
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2001-05-21 13:07:55
Document Title	Updated RF evaluation and updated installation manual

FCC Application for a class II permissive change for Zoom Telephonics
FCC ID: BDNWLANPCCARD1 • Report No. E990762-1
21-May-01
______________________________________________________________________
3.4
Radiofrequency Radiation Exposure Evaluation
During the power output measurement, a maximum power output of 18.7dBm was obtained on
channel 6 at the antenna port. Adding the worst case manufacturer supplied antenna gain
(13dBi for the Patch Array antenna) to the maximum power output gives an EIRP of 31.7dBm.
A calculation based on the FCC’s Evaluating Compliance with FCC Guidelines for Human
Exposure to Radiofrequency Electromagnetic Fields (Edition 97-01) gives a minimum
distance for human exposure of 11cm for the patch array antenna, 3.9cm for the patch antenna
and 3.2cm for the dipole antenna. Equation (4) on page 19 of that document was used to
calculate these distances using the 1mW/cm limit found in the General Population Exposure
Limits table on page 67.
Since the product is classified as a mobile device, the installation manual contains instructions
for installing the antennas with a minimum separation distance of 20cm between the antennas
and the user or other nearby persons. This 20cm distance is well beyond the 11cm required by
the RF exposure limits of section 2.1091.
_____________________________________________________________
Curtis-Straus LLC • 527 Great Road • Littleton, MA • TEL (978) 486-8880 • FAX (978) 486-8828
page 1 of 6
FCC Application for a class II permissive change for Zoom Telephonics
FCC ID: BDNWLANPCCARD1 • Report No. E990762-1
21-May-01
______________________________________________________________________
6.2
User’s Manual
Below is a copy of the antenna installation instructions. Please note the circled paragraph on
page 3 of the manual that states the 20cm minimum separation requirement.
_____________________________________________________________
Curtis-Straus LLC • 527 Great Road • Littleton, MA • TEL (978) 486-8880 • FAX (978) 486-8828
page 2 of 6
FCC Application for a class II permissive change for Zoom Telephonics
FCC ID: BDNWLANPCCARD1 • Report No. E990762-1
21-May-01
______________________________________________________________________
_____________________________________________________________
Curtis-Straus LLC • 527 Great Road • Littleton, MA • TEL (978) 486-8880 • FAX (978) 486-8828
page 3 of 6
FCC Application for a class II permissive change for Zoom Telephonics
FCC ID: BDNWLANPCCARD1 • Report No. E990762-1
21-May-01
______________________________________________________________________
_____________________________________________________________
Curtis-Straus LLC • 527 Great Road • Littleton, MA • TEL (978) 486-8880 • FAX (978) 486-8828
page 4 of 6
FCC Application for a class II permissive change for Zoom Telephonics
FCC ID: BDNWLANPCCARD1 • Report No. E990762-1
21-May-01
______________________________________________________________________
_____________________________________________________________
Curtis-Straus LLC • 527 Great Road • Littleton, MA • TEL (978) 486-8880 • FAX (978) 486-8828
page 5 of 6
FCC Application for a class II permissive change for Zoom Telephonics
FCC ID: BDNWLANPCCARD1 • Report No. E990762-1
21-May-01
______________________________________________________________________
_____________________________________________________________
Curtis-Straus LLC • 527 Great Road • Littleton, MA • TEL (978) 486-8880 • FAX (978) 486-8828
page 6 of 6

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