Re: [WISPA] PtP pricing

2007-03-16 Thread George Rogato

Whats the reliability factor?

I've been thinking of adding fso for a couple links now for a couple years.

Now I could put 100megs duplex to use rather than waste the spectrum.
But how well does this stuff stand up?
Haven't heard much about anyones experiences good or bad.

is it 6 9's?
does the power supplies burn out or the units need to be repaired often?
Or are they switch em on and walk a way for a few years?

George

Marlon K. Schafer wrote:

Hard to beat orthogon!

And for a link that short I'd look REALLY hard at fso gear.

http://www.plaintree.com/

Plaintree has some cool infrared systems.  They handle dust and such 
better than lasers.


If you want laser systems, EC has some that are pretty cool too.  Not 
too expensive either.

marlon

- Original Message - From: George Rogato [EMAIL PROTECTED]
To: WISPA General List wireless@wispa.org
Sent: Thursday, March 15, 2007 9:13 PM
Subject: Re: [WISPA] PtP pricing



Non set budget.


Marlon K. Schafer wrote:

what's the budget?

- Original Message - From: George Rogato 
[EMAIL PROTECTED]

To: WISPA General List wireless@wispa.org
Sent: Thursday, March 15, 2007 3:02 PM
Subject: [WISPA] PtP pricing


I need a couple very short range PtP links. A few hundred feet at 
most for each one. Something that did close to 50 or even 100 megs 
duplex would be good


Has anyone worked with Free Space Optics and can advice?
Also looking to be frugal. But don't want 5 gig.
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RE: [WISPA] PtP pricing

2007-03-16 Thread Stephen Patrick
Dear all,

We're an FSO vendor - as well as our other radio and micrwoave products.
Actually I feel we should pitch in on the LEDs vs lasers - a topic we know
very well:
- LEDs are limited in power and bandwidth (more than 50Mbps at reasonable
power is a real problem for the raw LED devices)
- LEDs fade with lifetime, and there is no closed-loop control to compensate
this
- LEDs don't collimate into very nice beams
- LEDs generally are at 975nm which is the same as some laser products (such
as our 980nm Access series)
980nm transmits better at long distances than shorter wavelengths, but at
short distances there is no disadvantage with short wavelengths
- LEDs are cheaper devices than laser, which is actually the only reason
they are used.
There is no advantage of LEDs with dust, except in the case of a few vendors
that have narrow-aperture laser systems (avoid those: known to cause
problems).
We have LED technology and only use it for very short (a few feet)
customised and indoor links.  For outdoor links, use laser, it's far better.

Using Laser we have achieved better than 5 nines for some operators even
in foggy areas like London, on sub-kilometer links.
For one network operator (broadband ISP) they have under 15 seconds downtime
over 7 years - 155Mbps sub-kilometer links - which rather proves the point.
Though we have long distance laser installations at 4km+, those require
relatively clear conditions, or RF resilient path.
Generally, below 1km (say, 3/4 a mile) laser is absolutely a great solution.
In the USA, our lasers are deployed with cell carriers like Nextel, for
example, for backhaul from base stations on similar short hops.
Elsewhere in the world we have several hundred lasers for individual cell
carriers where microwave was considered too expensive.

Equipment reliability, vendors differ enormously - caveat emptor.  We have
installations back to 1997 still in service, so we're good on that score.
Some features like peltier cooling (solid state TEC) radically improves
lifetime, as laser lifetime drops off with temperature.
Automatic Transmit Power Control (ATPC) increases TX power in fade
conditions, and reduces in clear weather, improving availability and
lifetime.
Power supplies generally mounted indoors and DC run to the laser units;
though it is possible to put PSUs in roof/tower locations.
Generally, our customers fit and forget and just as you say, walk away and
leave them running.  Software NMS tells you the links are solid and working.

Laser certainly has it's place: you get no inteference and high 100Mbps and
true Gigabit Ethernet throughput.
For short links, laser is currently cheaper than E-band MMW and (assuming a
good product) no less reliable.
For the longer links, OFDM radios and licensed microwave (we make/sell them
too) are the best options.

/sales pitch  
Anyone who wants information or some real-world case studies, please don't
hesitate to ask - we have many, including WISPs.
Questions/comments welcome -

Best regards

Stephen Patrick
CableFree Solutions
www.cablefreesolutions.com
[mail sent in text format: advance apologies if it arrives in HTML, our
ISP/mail server is the culprit when this happens]

-Original Message-
From: George Rogato [mailto:[EMAIL PROTECTED] 
Sent: 16 March 2007 08:06
To: WISPA General List
Subject: Re: [WISPA] PtP pricing

Whats the reliability factor?

I've been thinking of adding fso for a couple links now for a couple years.

Now I could put 100megs duplex to use rather than waste the spectrum.
But how well does this stuff stand up?
Haven't heard much about anyones experiences good or bad.

is it 6 9's?
does the power supplies burn out or the units need to be repaired often?
Or are they switch em on and walk a way for a few years?

George

Marlon K. Schafer wrote:
 Hard to beat orthogon!
 
 And for a link that short I'd look REALLY hard at fso gear.
 
 http://www.plaintree.com/
 
 Plaintree has some cool infrared systems.  They handle dust and such 
 better than lasers.
 
 If you want laser systems, EC has some that are pretty cool too.  Not 
 too expensive either.
 marlon
 
 - Original Message - From: George Rogato 
 [EMAIL PROTECTED]
 To: WISPA General List wireless@wispa.org
 Sent: Thursday, March 15, 2007 9:13 PM
 Subject: Re: [WISPA] PtP pricing
 
 
 Non set budget.


 Marlon K. Schafer wrote:
 what's the budget?

 - Original Message - From: George Rogato 
 [EMAIL PROTECTED]
 To: WISPA General List wireless@wispa.org
 Sent: Thursday, March 15, 2007 3:02 PM
 Subject: [WISPA] PtP pricing


 I need a couple very short range PtP links. A few hundred feet at 
 most for each one. Something that did close to 50 or even 100 megs 
 duplex would be good

 Has anyone worked with Free Space Optics and can advice?
 Also looking to be frugal. But don't want 5 gig.
 --
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 http://lists.wispa.org/mailman/listinfo/wireless

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Re: [WISPA] PtP pricing

2007-03-16 Thread Marlon K. Schafer (509) 982-2181

As far as I know, both are very good units.

I know that some of the older plaintree gear had flaky tx/rx units that 
weren't aligned right at the factory.  But I've sold a little bit of their 
stuff over the years and I don't remember any complaints.  Other than the 
sheer size of the units, fso is usually bigger than we're used to dealing 
with.  In the case of plaintree, that size is also part of what keeps the 
units from needing such exact aiming.


I've cc'd a couple of the plaintree folks here.  That'll help you contact 
them.


The EC number is 800-525-0173

Marlon
(509) 982-2181   Equipment sales
(408) 907-6910 (Vonage)Consulting services
42846865 (icq)And I run my own wisp!
[EMAIL PROTECTED]
www.odessaoffice.com/wireless
www.odessaoffice.com/marlon/cam



- Original Message - 
From: George Rogato [EMAIL PROTECTED]

To: WISPA General List wireless@wispa.org
Sent: Friday, March 16, 2007 1:05 AM
Subject: Re: [WISPA] PtP pricing



Whats the reliability factor?

I've been thinking of adding fso for a couple links now for a couple 
years.


Now I could put 100megs duplex to use rather than waste the spectrum.
But how well does this stuff stand up?
Haven't heard much about anyones experiences good or bad.

is it 6 9's?
does the power supplies burn out or the units need to be repaired often?
Or are they switch em on and walk a way for a few years?

George

Marlon K. Schafer wrote:

Hard to beat orthogon!

And for a link that short I'd look REALLY hard at fso gear.

http://www.plaintree.com/

Plaintree has some cool infrared systems.  They handle dust and such 
better than lasers.


If you want laser systems, EC has some that are pretty cool too.  Not too 
expensive either.

marlon

- Original Message - From: George Rogato [EMAIL PROTECTED]
To: WISPA General List wireless@wispa.org
Sent: Thursday, March 15, 2007 9:13 PM
Subject: Re: [WISPA] PtP pricing



Non set budget.


Marlon K. Schafer wrote:

what's the budget?

- Original Message - From: George Rogato 
[EMAIL PROTECTED]

To: WISPA General List wireless@wispa.org
Sent: Thursday, March 15, 2007 3:02 PM
Subject: [WISPA] PtP pricing


I need a couple very short range PtP links. A few hundred feet at most 
for each one. Something that did close to 50 or even 100 megs duplex 
would be good


Has anyone worked with Free Space Optics and can advice?
Also looking to be frugal. But don't want 5 gig.
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Re: [WISPA] PtP pricing

2007-03-16 Thread Tom DeReggi

Stephen,

Excellent post.

I agree that every product has it's place.
The industry is lucky to have so many options to choose from.  The negative 
side is the options are often still expensive (perception of expense is 
relative :-)
The reasons, is vendors put a value on their product based on the worst case 
special unique need a customer might have for the product, instead of 
looking at how the product can compete with other technologies in the space, 
and price it to work for every case.  Meaning going for Profit margin, not 
volume. I think its because leading edge vendors are underfinanced as well. 
MMW is still averaging  11-35K for short links, and Long range License 
around 20K, which puts them outside of the budget for the majority of the 
potential applications, although the price can easilly be justified for 10% 
of the potential applications. I can give an example, of I just recently 
finished some engineering for about a half mil worth of MMW links, and my 
conclusion was I could buy Fiber for an over all lower cost than the MMW 
gear, so why go wireless? What I found surprizing is that when push came to 
shove, when I put the money on the table, Lendors and Vendors weren't yet 
willing to drop the price to compete with Fiber Deployment /Dark Fiber 
costs.  (Based on planned deployment which was not time sensitive).  Take 
away the now benefit of Time to Market that wireless offered, and it 
wasn;t a winner, yet.  But still MMW works for many that don't have the 
fiber available to their locations.


I think the race this next year is going to be about how low they 
(non-fiber) vendors can go.  In 2006, Proxim set the bar (Like Trango did 
for Unlicenced 6 years ago), by putting Short range GB wireless ( 1/2mile) 
on the table for $10K a link, about what Free-Space Optics was until then. 
(Some argue its Bridgewave that set that price, by releasing a far superior 
product to generate competitive preasure). This year we are going to see who 
is going to be the first to be the Cogent of Wireless gear 
manufacturering.  Short Range GB, needs to come down, Lease payments closer 
to Local Loop Costs ($80 /month), and Longer range shots need to come down 
below Dark Fiber Costs (sub $500 /mon.).


I have to say currently there is little demand to lower the short range 
cost, because their isnl;t a lower cost long range solution yet. But when 
the lower cost Long range product comes, the demand for lower cost short 
range will skyrocket.  The BEST thing a MMW product vendor could do 
strategically, is LOWER the price on LONG RANGE links, to enable carriers to 
have fast Backhauls, so that they can support buying a HUGE number of Fast 
Short Range Local Loop MMW products.


Most argue that MMW is superior to Laser, if obtained at the same cost. 
(although I'm sure their are arguements that may differ that opinion, in 
more controlled climates). It will be interesting to see what Happens in 
laser technology If they are the first to bring GB to the masses 
(cheaper), sub $5000 range, or if the product just loses significant market 
share as MMW drops in price, and it will.  I'd argue that Laser technology 
most likely is more cost effective to make nowadays, with years of the RD 
behind it already.


Tom DeReggi
RapidDSL  Wireless, Inc
IntAirNet- Fixed Wireless Broadband


- Original Message - 
From: Stephen Patrick [EMAIL PROTECTED]

To: WISPA General List wireless@wispa.org
Sent: Friday, March 16, 2007 7:46 AM
Subject: RE: [WISPA] PtP pricing



Dear all,

We're an FSO vendor - as well as our other radio and micrwoave products.
Actually I feel we should pitch in on the LEDs vs lasers - a topic we know
very well:
- LEDs are limited in power and bandwidth (more than 50Mbps at reasonable
power is a real problem for the raw LED devices)
- LEDs fade with lifetime, and there is no closed-loop control to 
compensate

this
- LEDs don't collimate into very nice beams
- LEDs generally are at 975nm which is the same as some laser products 
(such

as our 980nm Access series)
980nm transmits better at long distances than shorter wavelengths, but at
short distances there is no disadvantage with short wavelengths
- LEDs are cheaper devices than laser, which is actually the only reason
they are used.
There is no advantage of LEDs with dust, except in the case of a few 
vendors

that have narrow-aperture laser systems (avoid those: known to cause
problems).
We have LED technology and only use it for very short (a few feet)
customised and indoor links.  For outdoor links, use laser, it's far 
better.


Using Laser we have achieved better than 5 nines for some operators even
in foggy areas like London, on sub-kilometer links.
For one network operator (broadband ISP) they have under 15 seconds 
downtime
over 7 years - 155Mbps sub-kilometer links - which rather proves the 
point.

Though we have long distance laser installations at 4km+, those require
relatively clear conditions, or RF resilient path

Re: [WISPA] PtP pricing

2007-03-16 Thread George Rogato

I wonder how much a set of Plaintree WBLS100 are?

100megs full duplex would do the trick for me. I'm only going across the 
street 100 yards or so. Twice. I need two sets of PtP links.


George

Marlon K. Schafer (509) 982-2181 wrote:

As far as I know, both are very good units.

I know that some of the older plaintree gear had flaky tx/rx units that 
weren't aligned right at the factory.  But I've sold a little bit of 
their stuff over the years and I don't remember any complaints.  Other 
than the sheer size of the units, fso is usually bigger than we're used 
to dealing with.  In the case of plaintree, that size is also part of 
what keeps the units from needing such exact aiming.


I've cc'd a couple of the plaintree folks here.  That'll help you 
contact them.


The EC number is 800-525-0173

Marlon
(509) 982-2181   Equipment sales
(408) 907-6910 (Vonage)Consulting services
42846865 (icq)And I run my own wisp!
[EMAIL PROTECTED]
www.odessaoffice.com/wireless
www.odessaoffice.com/marlon/cam



- Original Message - From: George Rogato [EMAIL PROTECTED]
To: WISPA General List wireless@wispa.org
Sent: Friday, March 16, 2007 1:05 AM
Subject: Re: [WISPA] PtP pricing



Whats the reliability factor?

I've been thinking of adding fso for a couple links now for a couple 
years.


Now I could put 100megs duplex to use rather than waste the spectrum.
But how well does this stuff stand up?
Haven't heard much about anyones experiences good or bad.

is it 6 9's?
does the power supplies burn out or the units need to be repaired often?
Or are they switch em on and walk a way for a few years?

George

Marlon K. Schafer wrote:

Hard to beat orthogon!

And for a link that short I'd look REALLY hard at fso gear.

http://www.plaintree.com/

Plaintree has some cool infrared systems.  They handle dust and such 
better than lasers.


If you want laser systems, EC has some that are pretty cool too.  Not 
too expensive either.

marlon

- Original Message - From: George Rogato 
[EMAIL PROTECTED]

To: WISPA General List wireless@wispa.org
Sent: Thursday, March 15, 2007 9:13 PM
Subject: Re: [WISPA] PtP pricing



Non set budget.


Marlon K. Schafer wrote:

what's the budget?

- Original Message - From: George Rogato 
[EMAIL PROTECTED]

To: WISPA General List wireless@wispa.org
Sent: Thursday, March 15, 2007 3:02 PM
Subject: [WISPA] PtP pricing


I need a couple very short range PtP links. A few hundred feet at 
most for each one. Something that did close to 50 or even 100 megs 
duplex would be good


Has anyone worked with Free Space Optics and can advice?
Also looking to be frugal. But don't want 5 gig.
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RE: [WISPA] PtP pricing

2007-03-16 Thread Stephen Patrick
Thanks very much Tom.

That is a very interesting subject indeed: 
I think you have a very good insight on the current broadband/gigabit
marketplace, a very well written piece.
MMW is currently high price - low volume and there are far fewer MMW
deployments than FSO in the world so far AFAIK.
Part of that is also regulatory, relatively few countries have followed the
FCC lead and deregulated E-band (70-80GHz).  UK just has done (three
cheers!)
Prices WILL come down on MMW as the volumes go up.  And products will become
more mature too.

BTW, we sell both MMW and FSO, we're not picking a fight between the two.
FSO fades in fog, MMW in rain.  Some of the choice therefore depends where
you live!  Tropics is probably not too good a place for MMW ... And there
are some places where FSO suffers too.
We have deployed Twinpath FSO+MMW for some mission-critical applications
where 100% uptime was required - i.e. no single point of failure.  Sounds a
strange thing to do, but the result is about the most resilient wireless
connection you can get.

Required price points - interesting.  Both MMW and FSO technology is
inherently more expensive than current OFDM gear.  (We make/sell that too).
And being limited in range, requiring LOS, there are fewer MMW or FSO
applications - an OFDM radio can go 20km, or a few km near-LOS.
Right now, there's a lot of buzz about MMW, which is like FSO was 7-8
years ago.  It will be interesting to see what happens as the MMW market
matures.

Look forward to hearing more on this debate -

Best regards

Stephen Patrick
CableFree Solutions

-Original Message-
From: Tom DeReggi [mailto:[EMAIL PROTECTED] 
Sent: 16 March 2007 15:38
To: WISPA General List
Subject: Re: [WISPA] PtP pricing

Stephen,

Excellent post.

I agree that every product has it's place.
The industry is lucky to have so many options to choose from.  The negative
side is the options are often still expensive (perception of expense is
relative :-) The reasons, is vendors put a value on their product based on
the worst case special unique need a customer might have for the product,
instead of looking at how the product can compete with other technologies in
the space, and price it to work for every case.  Meaning going for Profit
margin, not volume. I think its because leading edge vendors are
underfinanced as well. 
MMW is still averaging  11-35K for short links, and Long range License
around 20K, which puts them outside of the budget for the majority of the
potential applications, although the price can easilly be justified for 10%
of the potential applications. I can give an example, of I just recently
finished some engineering for about a half mil worth of MMW links, and my
conclusion was I could buy Fiber for an over all lower cost than the MMW
gear, so why go wireless? What I found surprizing is that when push came to
shove, when I put the money on the table, Lendors and Vendors weren't yet
willing to drop the price to compete with Fiber Deployment /Dark Fiber
costs.  (Based on planned deployment which was not time sensitive).  Take
away the now benefit of Time to Market that wireless offered, and it
wasn;t a winner, yet.  But still MMW works for many that don't have the
fiber available to their locations.

I think the race this next year is going to be about how low they
(non-fiber) vendors can go.  In 2006, Proxim set the bar (Like Trango did
for Unlicenced 6 years ago), by putting Short range GB wireless ( 1/2mile)
on the table for $10K a link, about what Free-Space Optics was until then. 
(Some argue its Bridgewave that set that price, by releasing a far superior
product to generate competitive preasure). This year we are going to see who
is going to be the first to be the Cogent of Wireless gear
manufacturering.  Short Range GB, needs to come down, Lease payments closer
to Local Loop Costs ($80 /month), and Longer range shots need to come down
below Dark Fiber Costs (sub $500 /mon.).

I have to say currently there is little demand to lower the short range
cost, because their isnl;t a lower cost long range solution yet. But when
the lower cost Long range product comes, the demand for lower cost short
range will skyrocket.  The BEST thing a MMW product vendor could do
strategically, is LOWER the price on LONG RANGE links, to enable carriers to
have fast Backhauls, so that they can support buying a HUGE number of Fast
Short Range Local Loop MMW products.

Most argue that MMW is superior to Laser, if obtained at the same cost. 
(although I'm sure their are arguements that may differ that opinion, in
more controlled climates). It will be interesting to see what Happens in
laser technology If they are the first to bring GB to the masses
(cheaper), sub $5000 range, or if the product just loses significant market
share as MMW drops in price, and it will.  I'd argue that Laser technology
most likely is more cost effective to make nowadays, with years of the RD
behind it already.

Tom DeReggi
RapidDSL  Wireless

[WISPA] PtP pricing

2007-03-15 Thread George Rogato
I need a couple very short range PtP links. A few hundred feet at most 
for each one. Something that did close to 50 or even 100 megs duplex 
would be good


Has anyone worked with Free Space Optics and can advice?
Also looking to be frugal. But don't want 5 gig.
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Re: [WISPA] PtP pricing

2007-03-15 Thread Ryan Langseth
On Thu, 2007-03-15 at 14:02 -0800, George Rogato wrote:
 I need a couple very short range PtP links. A few hundred feet at most 
 for each one. Something that did close to 50 or even 100 megs duplex 
 would be good
 
http://tranzeo.com/products/radios/TR-FDD-Series


 Has anyone worked with Free Space Optics and can advice?
Not yet but they look interesting.

 Also looking to be frugal. But don't want 5 gig.
(that one is 5 gig ... but cheap)

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Re: [WISPA] PtP pricing

2007-03-15 Thread Marlon K. Schafer

what's the budget?

- Original Message - 
From: George Rogato [EMAIL PROTECTED]

To: WISPA General List wireless@wispa.org
Sent: Thursday, March 15, 2007 3:02 PM
Subject: [WISPA] PtP pricing


I need a couple very short range PtP links. A few hundred feet at most 
for each one. Something that did close to 50 or even 100 megs duplex 
would be good


Has anyone worked with Free Space Optics and can advice?
Also looking to be frugal. But don't want 5 gig.
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Re: [WISPA] PtP pricing

2007-03-15 Thread George Rogato

Non set budget.


Marlon K. Schafer wrote:

what's the budget?

- Original Message - From: George Rogato [EMAIL PROTECTED]
To: WISPA General List wireless@wispa.org
Sent: Thursday, March 15, 2007 3:02 PM
Subject: [WISPA] PtP pricing


I need a couple very short range PtP links. A few hundred feet at most 
for each one. Something that did close to 50 or even 100 megs duplex 
would be good


Has anyone worked with Free Space Optics and can advice?
Also looking to be frugal. But don't want 5 gig.
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George Rogato

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Re: [WISPA] PtP pricing

2007-03-15 Thread Marlon K. Schafer

Hard to beat orthogon!

And for a link that short I'd look REALLY hard at fso gear.

http://www.plaintree.com/

Plaintree has some cool infrared systems.  They handle dust and such better 
than lasers.


If you want laser systems, EC has some that are pretty cool too.  Not too 
expensive either.

marlon

- Original Message - 
From: George Rogato [EMAIL PROTECTED]

To: WISPA General List wireless@wispa.org
Sent: Thursday, March 15, 2007 9:13 PM
Subject: Re: [WISPA] PtP pricing



Non set budget.


Marlon K. Schafer wrote:

what's the budget?

- Original Message - From: George Rogato [EMAIL PROTECTED]
To: WISPA General List wireless@wispa.org
Sent: Thursday, March 15, 2007 3:02 PM
Subject: [WISPA] PtP pricing


I need a couple very short range PtP links. A few hundred feet at most 
for each one. Something that did close to 50 or even 100 megs duplex 
would be good


Has anyone worked with Free Space Optics and can advice?
Also looking to be frugal. But don't want 5 gig.
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