I heard that if a deployed CPE fails you can replace it with an old system,
but you can't have new deployments with old gear.
-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com
----- Original Message -----
From: "Patrick Leary" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; "WISPA General List"
<wireless@wispa.org>; <[EMAIL PROTECTED]>
Sent: Thursday, July 19, 2007 7:07 PM
Subject: [WISPA] RE: Witching hour looms for 5.3 GHz - Can't buy any
moreaftertomorrow
[sorry for the cross posting, but the points are worth being widely
distributed]
Paul,
Alvarion's interpretation is the same as Trango's, such that IF you as
an operator have the units in your inventory, then you can put them up
without too much worry (though the FCC has not said this is okay or not
okay, it is a plausible and reasonable conclusion). But resellers cannot
sell existing stock; they will have to do a stock rotation back to the
vendor.
The point about grandfathered nature of deployed units is also correct,
though it mean you CANNOT buy legacy CPE to populate existing sectors --
AUs that are up now cannot get more subscribers UNLESS the new units
comply with the new DFS2 requirement (unless you as an operator have
them on YOUR shelf already).
All in all, it makes things a bit messy for a bit, but users of major
vendor's products don't have too much to fear. I suspect the hardest hit
will be those using systems whose vendor R&D teams are not sophisticated
enough to deal with the issue; those vendors will have to wait for their
chip supplier to solve the challenge for them.
I can't speak for backward compatibility of most of the vendors, but it
looks like Alvarion BreezeACCESS VL (and I believe Motorola Canopy also)
users will have backward compatible.
Regards,
Patrick Leary
AVP WISP Markets
Alvarion, Inc.
o: 650.314.2628
c: 760.580.0080
[EMAIL PROTECTED]
-----Original Message-----
From: Paul Gerstenberger [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 19, 2007 4:23 PM
To: [EMAIL PROTECTED]
Subject: Re: [isp-wireless] Witching hour looms for 5.3 GHz - Can't buy
any more aftertomorrow
I did recieve an email that says, "Trango is working on new products
which employ DFS/TPC and will begin shipping these systems once FCC
approval is obtained." And also that their new 45Mb PtP bridge will
also support this. Didn't have any specifics on PtMP or backwards
compatibility though.
-Paul
Here is the email in it's entirety:
From: "Trango Update" <[EMAIL PROTECTED]>
Date: July 2, 2007 4:24:08 PM PDT
Subject: REGULATORY ALERT
We wanted to let you know that a new FCC regulation is going into
effect July 20, 2007 that will affect operators' ability to deploy
wireless equipment in the United States in the UNII band. As a
result of this regulatory change, several Trango products are
affected.
The new FCC regulation impacts the sale of wireless equipment
operating in the 5.25-5.35 GHz band. On July 20, 2007 only products
that support radar detection as specified by the FCC in the
5.25-5.35 GHz band can be imported or marketed. Per our
understanding, 5.3 GHz units which were purchased prior to July 20,
2007 can still be deployed and previously deployed networks that
utilize 5.3 GHz are grandfathered in and do not require DFS
upgrades after the FCC deadline. The following document on the FCC
website describes the rules and has additional links: http://
www.fcc.gov/oet/ea/presentations/files/oct06/Oct_06-
DFS_Equipment_Authorization-AL.pdf
To comply with the FCC regulation, after July 20, 2007 Trango
Broadband Wireless will no longer sell wireless systems in the
United States which operate in the 5.25-5.35 GHz bands unless the
system employs Dynamic Frequency Selection (DFS) and Transmit Power
Control (TPC). Trango is working on new products which employ DFS/
TPC and will begin shipping these systems once FCC approval is
obtained.
Beginning July 20, 2007, the following Trango Broadband products
will still be available but will only support operation in the
5.725 to 5.85 GHz ISM Band:
M5830S-AP
M5830S-AP-EXT
M5830S-SU
M5830S-SU-EXT
Atlas5010-INT
Atlas5010-EXT
TLINK-10
TLINK-10-EXT
This change will be implemented through new firmware which will be
pre-loaded on all units (listed above) shipping from Trango
starting on July 20. The new firmware will not allow the operator
to select a band of operation in the 5.3 GHz band.
The M5300S-FSU (5.3 GHz FOX SU) does not support 5.8 GHz operation
and will not be shipping within the United States beginning July
20, 2007. We have M5300S-FSU units in stock and ready to ship if
you are interested in beating the July 20th deadline. However,
supply is limited and stock will be allocated on a first-come-first-
serve basis.
The new TrangoLINK-45 is a 45 Mbps multi-band point-to-point bridge
which employs DFS for legal operation in the 5.3 and 5.4 GHz bands
(as well as 5.8 GHz). This product is currently undergoing FCC
certification and will be available for shipment in the United
States as soon as FCC approval is obtained. Availability date for a
DFS-enabled point-to-multipoint system will be announced at a later
date.
If you have any questions or concerns about this regulatory change,
please feel free to contact any of the Trango support or sales
representatives. Please seehttp://www.trangobroadband.com/support/
for complete contact information. More information can be found
athttp://www.trangobroadband.com/news/alert_regulatory_unii_fcc.shtml
Thanks and best regards,
Sincerely,
Tino Soria
Applications Engineer
Trango Broadband Wireless
A Division of Trango Systems, Inc.
Office: 858.653.3900 x228
Cell: 858.722.2934
Fax: 858.621.2725
[EMAIL PROTECTED]
www.trangobroadband.com
On Jul 19, 2007, at 4:09 PM, Brad Belton wrote:
I could swear I detect a slight jubilation in your tone Patrick.
Is this
rule change really in the best interest of the UL fixed wireless
operator?
What better excuse could Alvarion ask for in not offering an UL
dual or
tri-band product? Now you are comfortably able to hang your hat on
the FCC
mantel...well done! <grin>
This rule change does come as a disappointment to many Trango
operators.
The ability to flip between 5.3GHz and 5.8GHz in V or H polarity on
the fly
will be sorely missed.
Sure has been quiet on the Trango front...hopefully they have a new
dual or
tri-band product with trusty dual polarity undergoing FCC
certification.
Best,
Brad
-----Original Message-----
From: Patrick Leary [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 19, 2007 5:45 PM
To: [EMAIL PROTECTED]
Subject: [isp-wireless] Witching hour looms for 5.3 GHz - Can't buy
any more
aftertomorrow
Well folks, after all this time the July 20, 2007 deadline is now upon
us. Effective tomorrow it is illegal for all vendors to sell legacy
5.3
GHz into the U.S. Everyone must now wait for the FCC certifications to
come for the new gear that vendors will be building. The rules require
that 5.3 GHz gear must now conform to the same DFS2 requirements as
incoming 5.4 GHz product. I trust most of you are aware of this.
Patrick Leary
AVP WISP Markets
Alvarion, Inc.
o: 650.314.2628
c: 760.580.0080
[EMAIL PROTECTED]
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