I agree with Frank,
These tags do not have any ability to transmit.
When they are within a field they dampen / load the signal from the reader.
Therefore they cannot be included in the RTTE directive.
Dave Grant
Compliance Engineer
Alison Laboratories Ltd
DDI: +64 7 838-9829 Fax: +64 7 838-9801
[email protected]
om To: [email protected]
Sent by: cc:
[email protected], "Joshua Wiseman" <[email protected]>,
owner-emc-pstc@majordo
[email protected]
mo.ieee.org Subject: RE: RFID tags
21/11/2003 08:28
Please respond to
FdeVall
Bob,
Passive tags that are energized by an impending RF field are usually not
considered transmitters. This is because they return their data by loading
and unloading the impending RF field; this is sometimes termed
"backscatter". This type of passive tag does not fall under the R&TTE
Directive.
Active tags that have their own oscillator and transmitter, however, need
to meet R&TTE Directive requirements.
Regards,
Frank de Vall
Assa Abloy
Identification Technology Group
[email protected]
Sent by: To: "Joshua
Wiseman" <[email protected]>
owner-emc-pstc@majordo cc:
[email protected]
mo.ieee.org Subject: RE: RFID tags
11/20/2003 09:33 AM
Please respond to
reheller
Not for sure. But it is my understanding that the passive tags are not
subject to RTTE. We need someone who knows for sure to respond.
Bob Heller
3M EMC Laboratory, 76-1-01
St. Paul, MN 55107-1208
Tel: 651- 778-6336
Fax: 651-778-6252
=======================================================
"Joshua Wiseman"
<JWiseman@printron To: <[email protected]>
ix.com> <[email protected]>
cc:
<[email protected]>
11/20/2003 09:52
<[email protected]>
AM Subject: RE: RFID tags
Bob,
Do you know anything about the 915MHz passive tags?
Josh
From: [email protected] [mailto:[email protected]]
Sent: Thursday, November 20, 2003 7:24 AM
To: [email protected]
Cc: [email protected]; [email protected]
Subject: Re: RFID tags
=======================================
=============================================
The RFID tags (active tags) are subject to the RTTE Directive and the
following standards for 13.56 MHz tags:
300 330-1 (General)
300 330-2 (Radio)
301 489-3 (EMC)
Bob Heller
3M EMC Laboratory, 76-1-01
St. Paul, MN 55107-1208
Tel: 651- 778-6336
Fax: 651-778-6252
=======================================================
Are RFID tags (e.g., access control badges) considered to be
transmitters/receivers and thus subject to the RTTE Directive? These types
of tags are powered by a received signal, may receive a coded signal, and
they respond with a coded signal. They are obviously very low power devices
and the transmit power is far below that of their interrogator. But the
nagging fact remains that they are transponders.
Richard Woods
Sensormatic Electronics
Tyco International
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