If you are going to claim compliance to EN50385, you will have to make the
assessment according to the standard. Otherwise, you have the following
choices:

Claim safety conformity to the procedures of the RTTE Directive and create a
Technical Construction File and consult with a Notified Body as to the
assessment method.

Claim safety conformity to the procedures of the LVD (the RTTE Directive
allows this)and build a TCF. Under the LVD the use of a Notified Body is not
required if harmonized standards are not applied. Obviously, this process
has risks since a harmonized standard does exist. In case of challenge,
conformity may be difficult to prove without the opinion of a NB. However, I
did use this route myself when the the EMF standard I use was in draft form.

In your case you should probably use one of the first two choices.

Richard Woods
Sensormatic Electronics
Tyco International



From: Charles Blackham [mailto:cblac...@airspan.com]
Sent: Wednesday, March 26, 2003 11:49 AM
To: emc-pstc
Subject: Demonstrating compliance with Human Exposure to EMF
requirements



All

I'm attempting to demonstrate the compliance of our fixed wireless access
system with the human exposure to EMF requirements of Article 3.1a of the
R&TTE directive:

The applicable standard, EN50385, requires the field strengths to be
measured/calculated according to EN50383 against the limits detailed in
1999/519/EC.

My reading of 1999/519/EC is that the maximum allow E-filed is 61 V/m for
2-300 GHz. 

I calculate that our subscriber equipment is generating a field of 10 V/m at
0.5m distance. 

So, so save measuring/calculating near field values, can I just add to the
user manual that you should not stand within 0.5m of the front of the
equipment? 
(The antenna wouldn't work so well if you did, and it would be difficult to
anyway as it typically pole/chimney mounted)

regards
Charlie Blackham
Approvals Manager
Airspan Communications


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