Hi all,

To clarify item 3a below, after 1 April 2009 staggered PRF detection with a
minmum pulse width of 1.0 usec is required.

Best Regards,
Mike

Michael Heckrotte
Director of Engineering

Compliance Certification Services
47173 Benicia Street,
Fremont, CA 94538

Main: (510) 771-1000
Direct: (510) 771-1121
Fax: (510) 661-0885

[email protected]
 


From: [email protected] [mailto:[email protected]] On Behalf Of Gary Wong
Sent: Monday, February 02, 2009 10:02 AM
To: Mike Hurley
Cc: [email protected]
Subject: Delay of EU EN 301 893 v1.5.1 and v1.6.1

Mike:
Based on Nov.4.2008 Official Journal, the effective date of EN 301 893 v1.4.1
plus v1.5.1 radar pulses is on Apr.1.2009.

Do you know when EU will issue the official journal to effect the delay of
applying the v1.5.1 and v1.6.1 radar pulses to 5 GHz bands based on TCAM
decision? Would it be before Mar.31.2009?

Here are meeting minutes from the last TCAM gathering:
Based on the input papers from EICTA/ETSI, and after a long and difficult
debate, with several closed sessions (industry observers not allowed), TCAM 26
did at the end agree to revise the TCAM24 decisions as follows (summary):
1) The 1 April 2009 date for the Staggered PRF and 0,8 µSec detection across
the band, has been moved to 1 July 2010 (15 months delay)
2) The 1 July 2010 date for the 0,5 uSec detection has been moved to 31
December 2012 (30 months delay)
3) After 1 April 2009, equipment need to implement additional measures: 
a) Staggered PRF detection across the bands (however industry indicated this
would not be a problem)
b) Equipment that want to operate in the weather radar band, need to implement
the 0,8 µSec detection in that band and has to implement a solution for the
noise calibration, HOWEVER the avoidance of the weather radar band is allowed.

Thanks,
Gary Wong
Technical Leader
H/W Engineering
[email protected]
 
Direct: 925.474.2244
Phone: 925.474.2200
Fax: 925.251.0642

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